ansys fluent19.0指导手册.pdf

【实例截图】

【核心代码】

Table of Contents
Using This Manual ...................................................................................................................................... xxi
1.What’s In This Manual ........................................................................................................................ xxi
2. How To Use This Manual .................................................................................................................... xxi
2.1. For the Beginner ....................................................................................................................... xxi
2.2. For the Experienced User .......................................................................................................... xxi
3.Typographical Conventions Used In This Manual ................................................................................ xxi
1. Fluid Flow in an Exhaust Manifold .......................................................................................................... 1
1.1. Introduction ..................................................................................................................................... 1
1.2. Prerequisites ..................................................................................................................................... 2
1.3. Problem Description ......................................................................................................................... 2
1.4. Setup and Solution ........................................................................................................................... 2
1.4.1. Preparation .............................................................................................................................. 3
1.4.2. Meshing Workflow ................................................................................................................... 3
1.4.3. General Settings ..................................................................................................................... 15
1.4.4. Solver Settings ....................................................................................................................... 15
1.4.5. Models ................................................................................................................................... 16
1.4.6. Materials ................................................................................................................................ 16
1.4.7. Cell Zone Conditions .............................................................................................................. 16
1.4.8. Boundary Conditions ............................................................................................................. 17
1.4.9. Solution ................................................................................................................................. 19
1.4.10. Postprocessing ..................................................................................................................... 26
1.5. Summary ........................................................................................................................................ 33
2. Fluid Flow and Heat Transfer in a Mixing Elbow ................................................................................... 35
2.1. Introduction ................................................................................................................................... 35
2.2. Prerequisites ................................................................................................................................... 35
2.3. Problem Description ....................................................................................................................... 35
2.4. Setup and Solution ......................................................................................................................... 36
2.4.1. Preparation ............................................................................................................................ 37
2.4.2. Launching ANSYS Fluent ........................................................................................................ 37
2.4.3. Reading the Mesh .................................................................................................................. 40
2.4.4. Setting Up Domain ................................................................................................................. 43
2.4.5. Setting Up Physics .................................................................................................................. 46
2.4.6. Solving .................................................................................................................................. 58
2.4.7. Displaying the Preliminary Solution ........................................................................................ 68
2.4.8. Adapting the Mesh ................................................................................................................. 80
2.5. Summary ........................................................................................................................................ 93
3. Postprocessing ...................................................................................................................................... 95
3.1. Introduction ................................................................................................................................... 95
3.2. Prerequisites ................................................................................................................................... 96
3.3. Problem Description ....................................................................................................................... 96
3.4. Setup and Solution ......................................................................................................................... 96
3.4.1. Preparation ............................................................................................................................ 97
3.4.2. Reading the Mesh .................................................................................................................. 97
3.4.3. Manipulating the Mesh in the Viewer ...................................................................................... 97
3.4.4. Adding Lights ........................................................................................................................ 99
3.4.5. Creating Isosurfaces ............................................................................................................. 103
3.4.6. Generating Contours ............................................................................................................ 106
3.4.7. Generating Velocity Vectors .................................................................................................. 110
3.4.8. Creating an Animation ......................................................................................................... 115
3.4.9. Displaying Pathlines ............................................................................................................. 119
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3.4.10. Creating a Scene With Vectors and Contours ....................................................................... 124
3.4.11. Advanced Overlay of Pathlines on a Scene .......................................................................... 126
3.4.12. Creating Exploded Views .................................................................................................... 128
3.4.13. Animating the Display of Results in Successive Streamwise Planes ....................................... 133
3.4.14. Generating XY Plots ............................................................................................................ 135
3.4.15. Creating Annotation ........................................................................................................... 138
3.4.16. Saving Picture Files ............................................................................................................. 140
3.4.17. Generating Volume Integral Reports ................................................................................... 141
3.5. Summary ...................................................................................................................................... 141
4. Modeling Periodic Flow and Heat Transfer ......................................................................................... 143
4.1. Introduction ................................................................................................................................. 143
4.2. Prerequisites ................................................................................................................................. 143
4.3. Problem Description ..................................................................................................................... 144
4.4. Setup and Solution ....................................................................................................................... 144
4.4.1. Preparation .......................................................................................................................... 145
4.4.2. Mesh .................................................................................................................................... 145
4.4.3. General Settings ................................................................................................................... 148
4.4.4. Models ................................................................................................................................. 148
4.4.5. Materials .............................................................................................................................. 148
4.4.6. Cell Zone Conditions ............................................................................................................ 150
4.4.7. Periodic Conditions .............................................................................................................. 151
4.4.8. Boundary Conditions ............................................................................................................ 151
4.4.9. Solution ............................................................................................................................... 152
4.4.10. Postprocessing ................................................................................................................... 157
4.5. Summary ...................................................................................................................................... 165
4.6. Further Improvements .................................................................................................................. 165
5. Modeling External Compressible Flow ............................................................................................... 167
5.1. Introduction ................................................................................................................................. 167
5.2. Prerequisites ................................................................................................................................. 167
5.3. Problem Description ..................................................................................................................... 167
5.4. Setup and Solution ....................................................................................................................... 168
5.4.1. Preparation .......................................................................................................................... 168
5.4.2. Mesh .................................................................................................................................... 168
5.4.3. Solver .................................................................................................................................. 170
5.4.4. Models ................................................................................................................................. 170
5.4.5. Materials .............................................................................................................................. 171
5.4.6. Boundary Conditions ............................................................................................................ 173
5.4.7. Operating Conditions ........................................................................................................... 176
5.4.8. Solution ............................................................................................................................... 177
5.4.9. Postprocessing ..................................................................................................................... 192
5.5. Summary ...................................................................................................................................... 197
5.6. Further Improvements .................................................................................................................. 197
6. Modeling Transient Compressible Flow .............................................................................................. 199
6.1. Introduction ................................................................................................................................. 199
6.2. Prerequisites ................................................................................................................................. 199
6.3. Problem Description ..................................................................................................................... 199
6.4. Setup and Solution ....................................................................................................................... 200
6.4.1. Preparation .......................................................................................................................... 200
6.4.2. Reading and Checking the Mesh ........................................................................................... 200
6.4.3. Solver and Analysis Type ....................................................................................................... 203
6.4.4. Models ................................................................................................................................. 204
6.4.5. Materials .............................................................................................................................. 205
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6.4.6. Operating Conditions ........................................................................................................... 205
6.4.7. Boundary Conditions ............................................................................................................ 206
6.4.8. Solution: Steady Flow ........................................................................................................... 209
6.4.9. Enabling Time Dependence and Setting Transient Conditions ............................................... 224
6.4.10. Specifying Solution Parameters for Transient Flow and Solving ............................................ 226
6.4.11. Saving and Postprocessing Time-Dependent Data Sets ....................................................... 230
6.5. Summary ...................................................................................................................................... 242
6.6. Further Improvements .................................................................................................................. 242
7. Modeling Flow Through Porous Media ............................................................................................... 243
7.1. Introduction ................................................................................................................................. 243
7.2. Prerequisites ................................................................................................................................. 243
7.3. Problem Description ..................................................................................................................... 244
7.4. Setup and Solution ....................................................................................................................... 244
7.4.1. Preparation .......................................................................................................................... 244
7.4.2. Mesh .................................................................................................................................... 245
7.4.3. General Settings ................................................................................................................... 247
7.4.4. Models ................................................................................................................................. 247
7.4.5. Materials .............................................................................................................................. 248
7.4.6. Cell Zone Conditions ............................................................................................................ 250
7.4.7. Boundary Conditions ............................................................................................................ 253
7.4.8. Solution ............................................................................................................................... 256
7.4.9. Postprocessing ..................................................................................................................... 261
7.5. Summary ...................................................................................................................................... 276
7.6. Further Improvements .................................................................................................................. 276
8. Modeling Radiation and Natural Convection ..................................................................................... 277
8.1. Introduction ................................................................................................................................. 277
8.2. Prerequisites ................................................................................................................................. 277
8.3. Problem Description ..................................................................................................................... 277
8.4. Setup and Solution ....................................................................................................................... 278
8.4.1. Preparation .......................................................................................................................... 278
8.4.2. Reading and Checking the Mesh ........................................................................................... 279
8.4.3. Solver and Analysis Type ....................................................................................................... 279
8.4.4. Models ................................................................................................................................. 280
8.4.5. Defining the Materials .......................................................................................................... 284
8.4.6. Operating Conditions ........................................................................................................... 285
8.4.7. Boundary Conditions ............................................................................................................ 286
8.4.8. Obtaining the Solution ......................................................................................................... 291
8.4.9. Postprocessing ..................................................................................................................... 298
8.4.10. Comparing the Contour Plots after Varying Radiating Surfaces ............................................ 310
8.4.11. S2S Definition, Solution, and Postprocessing with Partial Enclosure ...................................... 315
8.5. Summary ...................................................................................................................................... 318
8.6. Further Improvements .................................................................................................................. 318
9. Using a Single Rotating Reference Frame ........................................................................................... 319
9.1. Introduction ................................................................................................................................. 319
9.2. Prerequisites ................................................................................................................................. 319
9.3. Problem Description ..................................................................................................................... 319
9.4. Setup and Solution ....................................................................................................................... 320
9.4.1. Preparation .......................................................................................................................... 321
9.4.2. Mesh .................................................................................................................................... 321
9.4.3. General Settings ................................................................................................................... 321
9.4.4. Models ................................................................................................................................. 323
9.4.5. Materials .............................................................................................................................. 325
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9.4.6. Cell Zone Conditions ............................................................................................................ 325
9.4.7. Boundary Conditions ............................................................................................................ 327
9.4.8. Solution Using the Standard k- ε Model ................................................................................. 329
9.4.9. Postprocessing for the Standard k- ε Solution ........................................................................ 336
9.4.10. Solution Using the RNG k- ε Model ...................................................................................... 345
9.4.11. Postprocessing for the RNG k- ε Solution ............................................................................. 347
9.5. Summary ...................................................................................................................................... 352
9.6. Further Improvements .................................................................................................................. 352
9.7. References .................................................................................................................................... 353
10. Using Multiple Reference Frames ..................................................................................................... 355
10.1. Introduction ............................................................................................................................... 355
10.2. Prerequisites ............................................................................................................................... 355
10.3. Problem Description ................................................................................................................... 355
10.4. Setup and Solution ..................................................................................................................... 356
10.4.1. Preparation ........................................................................................................................ 356
10.4.2. Mesh .................................................................................................................................. 357
10.4.3. Models ............................................................................................................................... 357
10.4.4. Materials ............................................................................................................................ 358
10.4.5. Cell Zone Conditions .......................................................................................................... 358
10.4.6. Boundary Conditions .......................................................................................................... 358
10.4.7. Solution ............................................................................................................................. 360
10.4.8. Postprocessing ................................................................................................................... 363
10.5. Summary .................................................................................................................................... 364
10.6. Further Improvements ................................................................................................................ 365
11. Using Sliding Meshes ........................................................................................................................ 367
11.1. Introduction ............................................................................................................................... 367
11.2. Prerequisites ............................................................................................................................... 367
11.3. Problem Description ................................................................................................................... 367
11.4. Setup and Solution ..................................................................................................................... 368
11.4.1. Preparation ........................................................................................................................ 368
11.4.2. Mesh .................................................................................................................................. 369
11.4.3. General Settings ................................................................................................................. 369
11.4.4. Models ............................................................................................................................... 372
11.4.5. Materials ............................................................................................................................ 372
11.4.6. Cell Zone Conditions .......................................................................................................... 373
11.4.7. Boundary Conditions .......................................................................................................... 376
11.4.8. Operating Conditions ......................................................................................................... 382
11.4.9. Mesh Interfaces .................................................................................................................. 382
11.4.10. Solution ........................................................................................................................... 384
11.4.11. Postprocessing ................................................................................................................. 402
11.5. Summary .................................................................................................................................... 406
11.6. Further Improvements ................................................................................................................ 406
12. Using Overset and Dynamic Meshes ................................................................................................. 407
12.1. Prerequisites ............................................................................................................................... 408
12.2. Problem Description ................................................................................................................... 408
12.3. Preparation ................................................................................................................................. 409
12.4. Mesh .......................................................................................................................................... 409
12.5. Overset Interface Creation ........................................................................................................... 412
12.6. Steady-State Case Setup .............................................................................................................. 415
12.6.1. General Settings ................................................................................................................. 415
12.6.2. Models ............................................................................................................................... 415
12.6.3. Materials ............................................................................................................................ 417
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12.6.4. Operating Conditions ......................................................................................................... 417
12.6.5. Boundary Conditions .......................................................................................................... 417
12.6.6. Reference Values ................................................................................................................ 419
12.6.7. Solution ............................................................................................................................. 419
12.7. Unsteady Setup .......................................................................................................................... 425
12.7.1. General Settings ................................................................................................................. 425
12.7.2. Compile the UDF ................................................................................................................ 425
12.7.3. Dynamic Mesh Settings ...................................................................................................... 426
12.7.4. Report Generation for Unsteady Case ................................................................................. 429
12.7.5. Run Calculations for Unsteady Case .................................................................................... 430
12.7.6. Overset Solution Checking ................................................................................................. 431
12.7.7. Postprocessing ................................................................................................................... 431
12.7.8. Diagnosing an Overset Case ............................................................................................... 434
12.8. Summary .................................................................................................................................... 441
13. Modeling Species Transport and Gaseous Combustion ................................................................... 443
13.1. Introduction ............................................................................................................................... 443
13.2. Prerequisites ............................................................................................................................... 443
13.3. Problem Description ................................................................................................................... 443
13.4. Background ................................................................................................................................ 444
13.5. Setup and Solution ..................................................................................................................... 444
13.5.1. Preparation ........................................................................................................................ 444
13.5.2. Mesh .................................................................................................................................. 445
13.5.3. General Settings ................................................................................................................. 445
13.5.4. Models ............................................................................................................................... 447
13.5.5. Materials ............................................................................................................................ 450
13.5.6. Boundary Conditions .......................................................................................................... 453
13.5.7. Initial Reaction Solution ...................................................................................................... 459
13.5.8. Postprocessing ................................................................................................................... 463
13.5.9. NOx Prediction ................................................................................................................... 470
13.6. Summary .................................................................................................................................... 479
13.7. Further Improvements ................................................................................................................ 479
14. Using the Eddy Dissipation and Steady Diffusion Flamelet Combustion Models ............................ 481
14.1. Introduction ............................................................................................................................... 481
14.2. Prerequisites ............................................................................................................................... 481
14.3. Problem Description ................................................................................................................... 481
14.4. Setup and Solution ..................................................................................................................... 482
14.4.1. Preparation ........................................................................................................................ 483
14.4.2. Mesh .................................................................................................................................. 483
14.4.3. Solver Settings ................................................................................................................... 484
14.4.4. Models ............................................................................................................................... 484
14.4.5. Boundary Conditions .......................................................................................................... 485
14.4.6. Solution ............................................................................................................................. 487
14.4.7. Postprocessing for the Eddy-Dissipation Solution ................................................................ 489
14.5. Steady Diffusion Flamelet Model Setup and Solution ................................................................... 495
14.5.1. Models ............................................................................................................................... 496
14.5.2. Boundary Conditions .......................................................................................................... 497
14.5.3. Solution ............................................................................................................................. 498
14.5.4. Postprocessing for the Steady Diffusion Flamelet Solution ................................................... 498
14.6. Summary .................................................................................................................................... 501
15. Modeling Surface Chemistry ............................................................................................................. 503
15.1. Introduction ............................................................................................................................... 503
15.2. Prerequisites ............................................................................................................................... 503
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15.3. Problem Description ................................................................................................................... 504
15.4. Setup and Solution ..................................................................................................................... 505
15.4.1. Preparation ........................................................................................................................ 505
15.4.2. Reading and Checking the Mesh ......................................................................................... 505
15.4.3. Solver and Analysis Type ..................................................................................................... 507
15.4.4. Specifying the Models ........................................................................................................ 507
15.4.5. Defining Materials and Properties ....................................................................................... 509
15.4.6. Specifying Boundary Conditions ......................................................................................... 520
15.4.7. Setting the Operating Conditions ....................................................................................... 527
15.4.8. Simulating Non-Reacting Flow ............................................................................................ 528
15.4.9. Simulating Reacting Flow ................................................................................................... 530
15.4.10. Postprocessing the Solution Results .................................................................................. 536
15.5. Summary .................................................................................................................................... 542
15.6. Further Improvements ................................................................................................................ 542
16. Modeling Evaporating Liquid Spray ................................................................................................. 543
16.1. Introduction ............................................................................................................................... 543
16.2. Prerequisites ............................................................................................................................... 543
16.3. Problem Description ................................................................................................................... 543
16.4. Setup and Solution ..................................................................................................................... 544
16.4.1. Preparation ........................................................................................................................ 544
16.4.2. Mesh .................................................................................................................................. 545
16.4.3. Solver ................................................................................................................................. 548
16.4.4. Models ............................................................................................................................... 548
16.4.5. Materials ............................................................................................................................ 551
16.4.6. Boundary Conditions .......................................................................................................... 552
16.4.7. Initial Solution Without Droplets ......................................................................................... 558
16.4.8. Creating a Spray Injection ................................................................................................... 568
16.4.9. Solution ............................................................................................................................. 577
16.4.10. Postprocessing ................................................................................................................. 586
16.5. Summary .................................................................................................................................... 596
16.6. Further Improvements ................................................................................................................ 596
17. Using the VOF Model ......................................................................................................................... 597
17.1. Introduction ............................................................................................................................... 597
17.2. Prerequisites ............................................................................................................................... 597
17.3. Problem Description ................................................................................................................... 597
17.4. Setup and Solution ..................................................................................................................... 599
17.4.1. Preparation ........................................................................................................................ 599
17.4.2. Reading and Manipulating the Mesh ................................................................................... 600
17.4.3. General Settings ................................................................................................................. 604
17.4.4. Models ............................................................................................................................... 606
17.4.5. Materials ............................................................................................................................ 607
17.4.6. Phases ................................................................................................................................ 609
17.4.7. Operating Conditions ......................................................................................................... 612
17.4.8. User-Defined Function (UDF) .............................................................................................. 612
17.4.9. Boundary Conditions .......................................................................................................... 613
17.4.10. Solution ........................................................................................................................... 617
17.4.11. Postprocessing ................................................................................................................. 624
17.5. Summary .................................................................................................................................... 628
17.6. Further Improvements ................................................................................................................ 628
18. Modeling Cavitation .......................................................................................................................... 629
18.1. Introduction ............................................................................................................................... 629
18.2. Prerequisites ............................................................................................................................... 629
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18.3. Problem Description ................................................................................................................... 629
18.4. Setup and Solution ..................................................................................................................... 630
18.4.1. Preparation ........................................................................................................................ 630
18.4.2. Reading and Checking the Mesh ......................................................................................... 631
18.4.3. Solver Settings ................................................................................................................... 632
18.4.4. Models ............................................................................................................................... 633
18.4.5. Materials ............................................................................................................................ 635
18.4.6. Phases ................................................................................................................................ 638
18.4.7. Boundary Conditions .......................................................................................................... 641
18.4.8. Operating Conditions ......................................................................................................... 646
18.4.9. Solution ............................................................................................................................. 647
18.4.10. Postprocessing ................................................................................................................. 651
18.5. Summary .................................................................................................................................... 655
18.6. Further Improvements ................................................................................................................ 656
19. Using the Multiphase Models ........................................................................................................... 657
19.1. Introduction ............................................................................................................................... 657
19.2. Prerequisites ............................................................................................................................... 657
19.3. Problem Description ................................................................................................................... 657
19.4. Setup and Solution ..................................................................................................................... 658
19.4.1. Preparation ........................................................................................................................ 658
19.4.2. Mesh .................................................................................................................................. 659
19.4.3. Solver Settings ................................................................................................................... 660
19.4.4. Models ............................................................................................................................... 661
19.4.5. Materials ............................................................................................................................ 662
19.4.6. Phases ................................................................................................................................ 663
19.4.7. Cell Zone Conditions .......................................................................................................... 663
19.4.8. Boundary Conditions .......................................................................................................... 664
19.4.9. Solution ............................................................................................................................. 665
19.4.10. Postprocessing ................................................................................................................. 667
19.5. Summary .................................................................................................................................... 671
20. Modeling Solidification ..................................................................................................................... 673
20.1. Introduction ............................................................................................................................... 673
20.2. Prerequisites ............................................................................................................................... 673
20.3. Problem Description ................................................................................................................... 673
20.4. Setup and Solution ..................................................................................................................... 674
20.4.1. Preparation ........................................................................................................................ 675
20.4.2. Reading and Checking the Mesh ......................................................................................... 675
20.4.3. Specifying Solver and Analysis Type .................................................................................... 676
20.4.4. Specifying the Models ........................................................................................................ 678
20.4.5. Defining Materials .............................................................................................................. 679
20.4.6. Setting the Cell Zone Conditions ......................................................................................... 682
20.4.7. Setting the Boundary Conditions ........................................................................................ 682
20.4.8. Solution: Steady Conduction ............................................................................................... 691
20.4.9. Solution:Transient Flow and Heat Transfer ........................................................................... 702
20.5. Summary .................................................................................................................................... 713
20.6. Further Improvements ................................................................................................................ 713
21. Using the Eulerian Granular Multiphase Model with Heat Transfer ................................................. 715
21.1. Introduction ............................................................................................................................... 715
21.2. Prerequisites ............................................................................................................................... 715
21.3. Problem Description ................................................................................................................... 715
21.4. Setup and Solution ..................................................................................................................... 716
21.4.1. Preparation ........................................................................................................................ 716
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21.4.2. Mesh .................................................................................................................................. 717
21.4.3. Solver Settings ................................................................................................................... 718
21.4.4. Models ............................................................................................................................... 719
21.4.5. UDF ................................................................................................................................... 720
21.4.6. Materials ............................................................................................................................ 721
21.4.7. Phases ................................................................................................................................ 722
21.4.8. Boundary Conditions .......................................................................................................... 726
21.4.9. Solution ............................................................................................................................. 732
21.4.10. Postprocessing ................................................................................................................. 745
21.5. Summary .................................................................................................................................... 747
21.6. Further Improvements ................................................................................................................ 747
21.7. References .................................................................................................................................. 747
22. Modeling One-Way Fluid-Structure Interaction (FSI) Within Fluent ................................................. 749
22.1. Introduction ............................................................................................................................... 749
22.2. Prerequisites ............................................................................................................................... 749
22.3. Problem Description ................................................................................................................... 749
22.4. Setup and Solution ..................................................................................................................... 750
22.4.1. Preparation ........................................................................................................................ 750
22.4.2. Structural Model ................................................................................................................. 752
22.4.3. Materials ............................................................................................................................ 752
22.4.4. Cell Zone Conditions .......................................................................................................... 754
22.4.5. Boundary Conditions .......................................................................................................... 755
22.4.6. Solution ............................................................................................................................. 758
22.4.7. Postprocessing ................................................................................................................... 760
22.5. Summary .................................................................................................................................... 763
23. Modeling Two-Way Fluid-Structure Interaction (FSI) Within Fluent ................................................. 765
23.1. Introduction ............................................................................................................................... 765
23.2. Prerequisites ............................................................................................................................... 765
23.3. Problem Description ................................................................................................................... 766
23.4. Setup and Solution ..................................................................................................................... 766
23.4.1. Preparation ........................................................................................................................ 766
23.4.2. Solver and Analysis Type ..................................................................................................... 769
23.4.3. Structural Model ................................................................................................................. 769
23.4.4. Materials ............................................................................................................................ 770
23.4.5. Cell Zone Conditions .......................................................................................................... 771
23.4.6. Boundary Conditions .......................................................................................................... 771
23.4.7. Dynamic Mesh Zones ......................................................................................................... 774
23.4.8. Solution Animations ........................................................................................................... 778
23.4.9. Solution ............................................................................................................................. 788
23.4.10. Postprocessing ................................................................................................................. 791
23.5. Summary .................................................................................................................................... 793
24. Using the Adjoint Solver – 2D Laminar Flow Past a Cylinder ............................................................ 795
24.1. Introduction ............................................................................................................................... 795
24.2. Prerequisites ............................................................................................................................... 795
24.3. Problem Description ................................................................................................................... 796
24.4. Setup and Solution ..................................................................................................................... 796
24.4.1. Step 1: Preparation ............................................................................................................. 796
24.4.2. Step 2: Define Observables ................................................................................................. 798
24.4.3. Step 3: Compute the Drag Sensitivity .................................................................................. 801
24.4.4. Step 4: Postprocess and Export Drag Sensitivity ................................................................... 805
24.4.4.1. Boundary Condition Sensitivity .................................................................................. 806
24.4.4.2. Momentum Source Sensitivity ................................................................................... 806
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24.4.4.3. Shape Sensitivity ....................................................................................................... 808
24.4.4.4. Exporting Drag Sensitivity Data .................................................................................. 810
24.4.5. Step 5: Compute Lift Sensitivity ........................................................................................... 813
24.4.6. Step 6: Modify the Shape .................................................................................................... 814
24.5. Summary .................................................................................................................................... 820
25. Simulating a Single Battery Cell Using the MSMD Battery Model .................................................... 823
25.1. Introduction ............................................................................................................................... 823
25.2. Prerequisites ............................................................................................................................... 823
25.3. Problem Description ................................................................................................................... 823
25.4. Setup and Solution ..................................................................................................................... 824
25.4.1. Preparation ........................................................................................................................ 824
25.4.2. Reading and Scaling the Mesh ............................................................................................ 825
25.4.3. Loading the MSMD battery Add-on ..................................................................................... 825
25.4.4. NTGK Battery Model Setup ................................................................................................. 825
25.4.4.1. Specifying Solver and Models ..................................................................................... 826
25.4.4.2. Defining New Materials for Cell and Tabs .................................................................... 831
25.4.4.3. Defining Cell Zone Conditions .................................................................................... 835
25.4.4.4. Defining Boundary Conditions ................................................................................... 836
25.4.4.5. Specifying Solution Settings ....................................................................................... 836
25.4.4.6. Obtaining Solution .................................................................................................... 840
25.4.5. Postprocessing ................................................................................................................... 842
25.4.6. Simulating the Battery Pulse Discharge Using the ECM Model ............................................. 850
25.4.7. Using the Reduced Order Method (ROM) ............................................................................ 851
25.4.8. External and Internal Short-Circuit Treatment ...................................................................... 852
25.4.8.1. Setting up and Solving a Short-Circuit Problem .......................................................... 852
25.4.8.2. Postprocessing .......................................................................................................... 854
25.5. Summary .................................................................................................................................... 859
25.6. Appendix .................................................................................................................................... 859
25.7. References .................................................................................................................................. 861
26. Simulating a 1P3S Battery Pack Using the MSMD Battery Model .................................................... 863
26.1. Introduction ............................................................................................................................... 863
26.2. Prerequisites ............................................................................................................................... 863
26.3. Problem Description ................................................................................................................... 863
26.4. Setup and Solution ..................................................................................................................... 864
26.4.1. Preparation ........................................................................................................................ 864
26.4.2. Reading and Scaling the Mesh ............................................................................................ 865
26.4.3. Loading the MSMD battery Add-on ..................................................................................... 866
26.4.4. Battery Model Setup ........................................................................................................... 866
26.4.4.1. Specifying Solver and Models ..................................................................................... 866
26.4.4.2. Defining New Materials .............................................................................................. 871
26.4.4.3. Defining Cell Zone Conditions .................................................................................... 875
26.4.4.4. Defining Boundary Conditions ................................................................................... 876
26.4.4.5. Specifying Solution Settings ....................................................................................... 877
26.4.4.6. Obtaining Solution .................................................................................................... 881
26.4.5. Postprocessing ................................................................................................................... 883
26.5. Summary .................................................................................................................................... 889
27. In-Flight Icing Tutorial Using Fluent Icing ......................................................................................... 891
27.1. Fluent Airflow on the NACA0012 Airfoil ...................................................................................... 891
27.2. Flow Solution on the Rough NACA0012 Airfoil ............................................................................. 892
27.3. Droplet Impingement on the NACA0012 ..................................................................................... 895
27.3.1. Monodispersed Calculation ................................................................................................ 896
27.3.2. Langmuir-D Distribution ..................................................................................................... 900
xi
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vk.com/club152685050 | vk.com/id446425943 Tutorial Guide
27.3.3. Post-Processing Using Quick-View ...................................................................................... 903
27.4. Fluent Icing Ice Accretion on the NACA0012 ................................................................................ 912
27.5. Postprocessing an Ice Accretion Solution Using CFD-Post Macros ................................................. 919
27.6. Multi-Shot Ice Accretion with Automatic Mesh Displacement ....................................................... 925
27.7. Multi-Shot Ice Accretion with Automatic Mesh Displacement – Postprocessing Using CFD-Post .... 929