实例介绍
【实例简介】
关于ansys/ls-DYNA中SPH方法的一个简易教程，看了就会用
forum. simwe com 八 lement Iypes x A SOLID164 element type options Options for SoLID164, Elament Type Ref. No.1 De fined Element Types: Solid Element Formulati on SOLIDI64 o Const. Strss (def) o Full Int s/R Continuum C 1 Fcint Alz Cane Hap Add Delete Close Hel 3、设定材料模型,这里选用刚体(弹丸〕模型,图中只设定密度,具体参数在ls- prepost中修改。靶板采用SPH 方法在 Is-prepost中建模(后面详细介绍)。 ertles for aterIal uber 1 E Preferences Risid material Pr g icr Mator: al Nuruocr 1 aterial pr e Tate- al Nrel NiTer 1 Ga Faun x Lintan R E Trans ational Const=ai nt Paramet- NU LLIsLL'ai Rotat: cnal Cnstraint Parameter No constraints 4、建立弹丸模型 (1)建模 tep ANSYS Main Menu Preference lement Type onst ants ircular Area by Dimensions 日 laterial Props 目Shl1 Elem Ctrl PCIRc] Circular Area by Dinersi oas oacKing Dutar radius 日 Create E Keypoints RAD2 Optional inner radius Ei Lines 日 Arbit 彐 Rectang1 TIETA2 Eading angle (degr ees) d Solid Circle 只 Annulus End Points mensa oly Step2 modeling B Keypoints 曰Aeas 田 Arbitrary RECTHG] Create Rec: angle by Dimensions By 2 Corners entr是 Cornr Y1 Y2 Y-cordinates 画 mensa 田 Circle 田Pu1ygU Area Fillet Elements Step3:将两个面料合在一起 forum. simwe com ANSYS Glue Areas 同 Preferences 日 Preprocessor UNpick 田 Element Type 回 Real Const ants O Single Box F aterial Props 园 Shell elem ctr1s C Polygon circle 曰 odeling C Loop 田 Create 日 perate 田 Extrude Maximum= 2 W Extend Line Minimum Z 曰 Booleans Area No,= 团 Intersect 田Add E Subtract . List of Items E Divi de C lin 1ax Inc 日G1ue d Volumes Areas 闪 Lines 田 Over lap 团 Partition Apply 回 Settings 田 Show Degeneracy Reset ancel 田Scal 一1]ll 团 Calc geom items Step4:旋转工作血坐标系 WorkPlane Parameters Macro Men Offset P Display Working Plane +X Show WP Status WP Set t Offset wP by Increments z-][+z Offset wP to Align WP with Cha Active cs t Local Coordinate Systems X-([+ Y-0|[+YH z-[+z Degrees XY. YZ, ZXAngles 000 IDyramicMode K Step5:旋转生成14弹丸模型 ASS air. Mer 田 Element Type 回she111 en CtT1 S Jclygou f Lir Maxinum 回E1 cn Ert Dpts MininUM A Lst of Item Along Linel i,≤,I Esx,工= Buglers o tens 田 Check gean forum. simwe com No. ot Step6:计工作4标系和笛卡尔坐标系一致 WorkPlane Parameters Macro Menuctrls Help Display Working Plane how WP Status WP Settings Offset WP by Increments Offset WP to Align WP with Keypoint Nodes+ Change Active Cs to KYZ Locations Change Display Cs to Plane Normal to Line+ Local Coordinate Systems Active Coord Sys Specified Coord Sys Global Cartes an (2)划分网格 Step1 sA迅 IR QUIT PCJWRGE Element Attributes Preferenc Global 田 Element Type 厂 Smart Sire 曰 Real c 田■ aterial Props a Shell Elen Curls 日 田国 Size Controls butes E Size curls 曰 esher Opts 日 Curcaleuale 回■ odi fy lesh 田 Check夏csh 田 Numbering Ctrls 囝 Archive■ode1 KeyptsSetCkea NA Opt Path Operations Mesh B Sulution C Te Hex 囗 Topological Opt 13or4sded Design Op 田 Radi ation0p a Session Edi tor a Finish schOl forum. simwe com A [LRSI】卫et3ic当 on picked2ie TYRE NUM IZE Elenent edge length HIIY No of elenent divisions 5 N-Y is used only if sIze is blank MINDIV SIZE, FDIV ta be chaged DEngon SFACE Spacing ratio use ANGSIZ only if number of divisions QDIV)and element edge length (SIME) are blah or zero) Clear attached areas and volumes A Elcmcnt Sizes on Picked Lincs [LESIZz] Element sizes on picked lir.e: SIZE Element edge lergth Ny Ho. cf element divi si oas QNDIV is used only if SIzE is blank ur iero) 0 TEE,HD工 PACe Spacing rat: o ANGSIZ Division arc (degrees) use ANGSIZ only if number of d: visions (DIV)srd lement edge length (SIZE) are blank or zero) Clear attached areas and volumes ca「 Step2 Default Attributes for Meshin Element Attibutes ITYPE] Elenent type number 2一 Global [MAT] Material number Smart Size [REAL] Real constant set number None defined TESIS] Elenent coordinate sys 0 [SECNUM] Section number Sizc Controls Global Clear Areas Clear Lines Set Clear Flip Set Clear Keypts Set Cear LCI Help forum. simwe com Globd 厂 Srart Sl Resh olumes Coarse :cE C Unpick Size Controls o S:ngls Box C Polygen C carele COUnT Minimum =1 VoLu Ho-1 1⊥ st ur Ice C置n,Hax,Tn o Mapped Sweep Refne at Element (3)移动弹体 Element Type e Real constants love Volumes \love Volumes f laterial Props 图 Shell elem ctrls 4 Pics C Unpick [WGEN Move Volumes E odeling X-offset in active CS 田 Create 田 perate Y-offset in active Cs 日Iove! edify S Polygon circle Keypoints Z-offset in act:ye CS NLi 2四 plumes Maximum= 2 f Nodes Minimu= 1 d以c E Rot dc cs e F El E Transfer Coord 中 L=c oT工tens f Reverse Normals 日Copy CHin, Max, Inc 团 Reflect 日 Check geom E Delete Genl plane strn 曰 Update Geom E夏eshi Apply E Checking Ctrl Reset E Numbering Ctrl 田 Archive夏odel 庄 Coupling C forum. simwe com 5、输出K文件,忽略所有警告 园 Preferences a Preprocessor ELEUIENLS 彐 Solution 田C 田 Initial Velocity E Loading Options 田 Rigid-Deformable A Inpnt files to he Written for LS-DYNA 田 Analysis Options [EDYRITE Specify Files for LS-DYNA Solve 国 Time Controls L Output Cor Write results files for 回 rite obname.k a Solye Write input files to 田SE夏 anagement(C夏s) E Results Track 田夏anua1 Rezonil 田 Di agnostics 出 General Postproc Apply Cancel Help 囝 TimeHist Postpro D Drop Test 二、利用LS- PREPOST完成SPH的建模及其它相关设置 导入K文件 与515FT30+)-2842D1D92 Sare Ax I Asat “③全国 2|3|4567 r工lM ˇ计门 女件卖型r): Keyword( '4:Xy:key Buid Rendering dato Diplay bottom view 2、建立SPH靶板模型 Mesh wGen BlockY TetMeshBestFit Curves Surface Chain TTMeshMassTrDieLine sQual Peneck IIHS 1|2|34|567D Sph generation inter face ⊙ Create Method: BoK PMax NID:2492 NY100 Nz100 Fl%1001000 TimsTriadBcolr Unode Frin Isos Lcon Acen ain+10 Rx Deon spart Top Front Right em0.0 d view Wire Feat Edge Grid Mesh shrn Pcen 2out//Clp Rpart Bottm/ Back Left Apply ReyectDone 3、完成相关关键字的设置及材料参数 Stepl定义* ATABASE FORMAT(计算结果输出格式)、* DATABASE EXTENT BINARY(结果输出控制)和 forum. simwe com DATABASE BINARY D3PLOT 中 Airbag+ Dbase I Keyword Input For tAle Accept Delete Defaut o Elem *param □ Use PARAMETER strand中Eos *DATABASE_ FORMAT (0) CompntHrglass*Rgdwal *Contact*Initial*Section Control‘ Intern 1 IFORM IBINARY Def2Rg IntrfacTermnt *Damping /0 Add Accept Delete Default Done Model □U' PARAMETER (Subsys: 1) Setting AScII option *DATABASE_ EXTENT_ BINARY (0) BINARY_D3CRAOK BINARY D3DRLF BINARY D3MLMP BINARY D3PARI Y D3PLOT 1 NEIPH NEIPS MAXINT STRF SIGFLG EPSFl RLTFLG ENGFLG BINARY D3THDI BINARY HIFU取 ∽1 BINARY INIFR 2 CMPFLG IEYERP DCOMP SHGE STSS2 N3THDT IALEMA BINARY XIFILE EPM SENSUR y21 LRUSS SELTION PLANE LRUSS SELTIUN SET 3 NINTSLD PKP SE UNUSED IHERM INARY V STRES EXTENT MOVIE 0~0~L0 0~0~5REs EXTENT S55T具T COMMENT SENSOR HISTORYBEAM HISTORY BEAM ID HISTORY BEAM SET kEyword Input Form □ SP MPARAMFTFR (Su hse 1) 'DATABASE BINARY D3PLOT (0) EDI BEAM NPTC PSETID 2 InapT COMMENT: Sep2完成* CONTROL相关设置(编辑关键字的操作同sep1,下面就不详细叙述) Clor Default AceptDelcteDone □ Use PARAMETER CONTROL CONTACT(0) +CONTROL LHERGY(0) LSFAC RWPNAL SHLTHK PENOPT ORIEN I HEy M N KILEN 222、Em 2 USRSTR 5RFRC NSBCS M INTERI SSTHK ECDI TIEDPF v40 3 SFRIC DFRIC TH TH SE PEN SE FRCENG 5KIPRWG OUTSEG JTSTP SPOTDEL SPOTHIN Sl5FAC: =Scale factor for sliding interface penalties(default =0, 1) forum. simwe com STKcyvord Input Fora rIra Drfault Arrrntnrlebrnn 匚U* PAEAMETIR L INIRUL MEMORY RM ≤TART MAxY 上 NDLYL ENDEY3 1F+2自 DFBIY COMMEVT MEN qpH narhiclre en a value is nat spectied LS-DY\A det s the space dimension automatically by checkin ot 30 or 2D elements Sep3设置SPH边界* BOUNDARY SPH SYMMETRY PLANE Add AccC Delete Default Donc ause PARaMETER Setting *BDUNDARY_ SPH_ SYMMETRY- PLANE (D) 0.0 00 1 Keyword Input Form Add Accept Delete DefaultDon LUse'ARAˇETER BOUNDARY SPH SYMMEIRY PLANE(1)D VTZ COMMENT: Step4设定* CONTACT,定义接触前,需要定义SPH的* SET NODE 先定义* SET NODE Follow Spilw Particle File H:se. Tozale Backa ound Applicati ns Settings Melp Output Trace XYPlot PLane SettingState Vector Ident Snivel Views Weld Blank 2345670 MdIY 1 Part Ifo 12345670 sOlid Ishell R Masy Label None DIsC BElt setID 了 用鼠标选定区城[w/Doe ⊙ Single POly Title off TIms Trlad ode Frin Isos Lcon AcenZin+ 即mm DD Front Right Redw Home Load Hide Shad ViewWire Edge Grid Mesh ShrnPcen Zout// ttm Back Left Anim Reset PIck O Sphe Orrin⊙In □ Latel SeL Nodes sUrf All Splerten Infn ARea ORnx OPlan AJja. I Save whule O ByNodeOBySet Point OKp PRox OAdd Attach Load All Vis O Dytlem ODytdgeLine None Apply O Sell OCirc ORm clear Desel Rey ORyPart ORySegm surf 【实例截图】
【核心代码】
关于ansys/ls-DYNA中SPH方法的一个简易教程，看了就会用
forum. simwe com 八 lement Iypes x A SOLID164 element type options Options for SoLID164, Elament Type Ref. No.1 De fined Element Types: Solid Element Formulati on SOLIDI64 o Const. Strss (def) o Full Int s/R Continuum C 1 Fcint Alz Cane Hap Add Delete Close Hel 3、设定材料模型,这里选用刚体(弹丸〕模型,图中只设定密度,具体参数在ls- prepost中修改。靶板采用SPH 方法在 Is-prepost中建模(后面详细介绍)。 ertles for aterIal uber 1 E Preferences Risid material Pr g icr Mator: al Nuruocr 1 aterial pr e Tate- al Nrel NiTer 1 Ga Faun x Lintan R E Trans ational Const=ai nt Paramet- NU LLIsLL'ai Rotat: cnal Cnstraint Parameter No constraints 4、建立弹丸模型 (1)建模 tep ANSYS Main Menu Preference lement Type onst ants ircular Area by Dimensions 日 laterial Props 目Shl1 Elem Ctrl PCIRc] Circular Area by Dinersi oas oacKing Dutar radius 日 Create E Keypoints RAD2 Optional inner radius Ei Lines 日 Arbit 彐 Rectang1 TIETA2 Eading angle (degr ees) d Solid Circle 只 Annulus End Points mensa oly Step2 modeling B Keypoints 曰Aeas 田 Arbitrary RECTHG] Create Rec: angle by Dimensions By 2 Corners entr是 Cornr Y1 Y2 Y-cordinates 画 mensa 田 Circle 田Pu1ygU Area Fillet Elements Step3:将两个面料合在一起 forum. simwe com ANSYS Glue Areas 同 Preferences 日 Preprocessor UNpick 田 Element Type 回 Real Const ants O Single Box F aterial Props 园 Shell elem ctr1s C Polygon circle 曰 odeling C Loop 田 Create 日 perate 田 Extrude Maximum= 2 W Extend Line Minimum Z 曰 Booleans Area No,= 团 Intersect 田Add E Subtract . List of Items E Divi de C lin 1ax Inc 日G1ue d Volumes Areas 闪 Lines 田 Over lap 团 Partition Apply 回 Settings 田 Show Degeneracy Reset ancel 田Scal 一1]ll 团 Calc geom items Step4:旋转工作血坐标系 WorkPlane Parameters Macro Men Offset P Display Working Plane +X Show WP Status WP Set t Offset wP by Increments z-][+z Offset wP to Align WP with Cha Active cs t Local Coordinate Systems X-([+ Y-0|[+YH z-[+z Degrees XY. YZ, ZXAngles 000 IDyramicMode K Step5:旋转生成14弹丸模型 ASS air. Mer 田 Element Type 回she111 en CtT1 S Jclygou f Lir Maxinum 回E1 cn Ert Dpts MininUM A Lst of Item Along Linel i,≤,I Esx,工= Buglers o tens 田 Check gean forum. simwe com No. ot Step6:计工作4标系和笛卡尔坐标系一致 WorkPlane Parameters Macro Menuctrls Help Display Working Plane how WP Status WP Settings Offset WP by Increments Offset WP to Align WP with Keypoint Nodes+ Change Active Cs to KYZ Locations Change Display Cs to Plane Normal to Line+ Local Coordinate Systems Active Coord Sys Specified Coord Sys Global Cartes an (2)划分网格 Step1 sA迅 IR QUIT PCJWRGE Element Attributes Preferenc Global 田 Element Type 厂 Smart Sire 曰 Real c 田■ aterial Props a Shell Elen Curls 日 田国 Size Controls butes E Size curls 曰 esher Opts 日 Curcaleuale 回■ odi fy lesh 田 Check夏csh 田 Numbering Ctrls 囝 Archive■ode1 KeyptsSetCkea NA Opt Path Operations Mesh B Sulution C Te Hex 囗 Topological Opt 13or4sded Design Op 田 Radi ation0p a Session Edi tor a Finish schOl forum. simwe com A [LRSI】卫et3ic当 on picked2ie TYRE NUM IZE Elenent edge length HIIY No of elenent divisions 5 N-Y is used only if sIze is blank MINDIV SIZE, FDIV ta be chaged DEngon SFACE Spacing ratio use ANGSIZ only if number of divisions QDIV)and element edge length (SIME) are blah or zero) Clear attached areas and volumes A Elcmcnt Sizes on Picked Lincs [LESIZz] Element sizes on picked lir.e: SIZE Element edge lergth Ny Ho. cf element divi si oas QNDIV is used only if SIzE is blank ur iero) 0 TEE,HD工 PACe Spacing rat: o ANGSIZ Division arc (degrees) use ANGSIZ only if number of d: visions (DIV)srd lement edge length (SIZE) are blank or zero) Clear attached areas and volumes ca「 Step2 Default Attributes for Meshin Element Attibutes ITYPE] Elenent type number 2一 Global [MAT] Material number Smart Size [REAL] Real constant set number None defined TESIS] Elenent coordinate sys 0 [SECNUM] Section number Sizc Controls Global Clear Areas Clear Lines Set Clear Flip Set Clear Keypts Set Cear LCI Help forum. simwe com Globd 厂 Srart Sl Resh olumes Coarse :cE C Unpick Size Controls o S:ngls Box C Polygen C carele COUnT Minimum =1 VoLu Ho-1 1⊥ st ur Ice C置n,Hax,Tn o Mapped Sweep Refne at Element (3)移动弹体 Element Type e Real constants love Volumes \love Volumes f laterial Props 图 Shell elem ctrls 4 Pics C Unpick [WGEN Move Volumes E odeling X-offset in active CS 田 Create 田 perate Y-offset in active Cs 日Iove! edify S Polygon circle Keypoints Z-offset in act:ye CS NLi 2四 plumes Maximum= 2 f Nodes Minimu= 1 d以c E Rot dc cs e F El E Transfer Coord 中 L=c oT工tens f Reverse Normals 日Copy CHin, Max, Inc 团 Reflect 日 Check geom E Delete Genl plane strn 曰 Update Geom E夏eshi Apply E Checking Ctrl Reset E Numbering Ctrl 田 Archive夏odel 庄 Coupling C forum. simwe com 5、输出K文件,忽略所有警告 园 Preferences a Preprocessor ELEUIENLS 彐 Solution 田C 田 Initial Velocity E Loading Options 田 Rigid-Deformable A Inpnt files to he Written for LS-DYNA 田 Analysis Options [EDYRITE Specify Files for LS-DYNA Solve 国 Time Controls L Output Cor Write results files for 回 rite obname.k a Solye Write input files to 田SE夏 anagement(C夏s) E Results Track 田夏anua1 Rezonil 田 Di agnostics 出 General Postproc Apply Cancel Help 囝 TimeHist Postpro D Drop Test 二、利用LS- PREPOST完成SPH的建模及其它相关设置 导入K文件 与515FT30+)-2842D1D92 Sare Ax I Asat “③全国 2|3|4567 r工lM ˇ计门 女件卖型r): Keyword( '4:Xy:key Buid Rendering dato Diplay bottom view 2、建立SPH靶板模型 Mesh wGen BlockY TetMeshBestFit Curves Surface Chain TTMeshMassTrDieLine sQual Peneck IIHS 1|2|34|567D Sph generation inter face ⊙ Create Method: BoK PMax NID:2492 NY100 Nz100 Fl%1001000 TimsTriadBcolr Unode Frin Isos Lcon Acen ain+10 Rx Deon spart Top Front Right em0.0 d view Wire Feat Edge Grid Mesh shrn Pcen 2out//Clp Rpart Bottm/ Back Left Apply ReyectDone 3、完成相关关键字的设置及材料参数 Stepl定义* ATABASE FORMAT(计算结果输出格式)、* DATABASE EXTENT BINARY(结果输出控制)和 forum. simwe com DATABASE BINARY D3PLOT 中 Airbag+ Dbase I Keyword Input For tAle Accept Delete Defaut o Elem *param □ Use PARAMETER strand中Eos *DATABASE_ FORMAT (0) CompntHrglass*Rgdwal *Contact*Initial*Section Control‘ Intern 1 IFORM IBINARY Def2Rg IntrfacTermnt *Damping /0 Add Accept Delete Default Done Model □U' PARAMETER (Subsys: 1) Setting AScII option *DATABASE_ EXTENT_ BINARY (0) BINARY_D3CRAOK BINARY D3DRLF BINARY D3MLMP BINARY D3PARI Y D3PLOT 1 NEIPH NEIPS MAXINT STRF SIGFLG EPSFl RLTFLG ENGFLG BINARY D3THDI BINARY HIFU取 ∽1 BINARY INIFR 2 CMPFLG IEYERP DCOMP SHGE STSS2 N3THDT IALEMA BINARY XIFILE EPM SENSUR y21 LRUSS SELTION PLANE LRUSS SELTIUN SET 3 NINTSLD PKP SE UNUSED IHERM INARY V STRES EXTENT MOVIE 0~0~L0 0~0~5REs EXTENT S55T具T COMMENT SENSOR HISTORYBEAM HISTORY BEAM ID HISTORY BEAM SET kEyword Input Form □ SP MPARAMFTFR (Su hse 1) 'DATABASE BINARY D3PLOT (0) EDI BEAM NPTC PSETID 2 InapT COMMENT: Sep2完成* CONTROL相关设置(编辑关键字的操作同sep1,下面就不详细叙述) Clor Default AceptDelcteDone □ Use PARAMETER CONTROL CONTACT(0) +CONTROL LHERGY(0) LSFAC RWPNAL SHLTHK PENOPT ORIEN I HEy M N KILEN 222、Em 2 USRSTR 5RFRC NSBCS M INTERI SSTHK ECDI TIEDPF v40 3 SFRIC DFRIC TH TH SE PEN SE FRCENG 5KIPRWG OUTSEG JTSTP SPOTDEL SPOTHIN Sl5FAC: =Scale factor for sliding interface penalties(default =0, 1) forum. simwe com STKcyvord Input Fora rIra Drfault Arrrntnrlebrnn 匚U* PAEAMETIR L INIRUL MEMORY RM ≤TART MAxY 上 NDLYL ENDEY3 1F+2自 DFBIY COMMEVT MEN qpH narhiclre en a value is nat spectied LS-DY\A det s the space dimension automatically by checkin ot 30 or 2D elements Sep3设置SPH边界* BOUNDARY SPH SYMMETRY PLANE Add AccC Delete Default Donc ause PARaMETER Setting *BDUNDARY_ SPH_ SYMMETRY- PLANE (D) 0.0 00 1 Keyword Input Form Add Accept Delete DefaultDon LUse'ARAˇETER BOUNDARY SPH SYMMEIRY PLANE(1)D VTZ COMMENT: Step4设定* CONTACT,定义接触前,需要定义SPH的* SET NODE 先定义* SET NODE Follow Spilw Particle File H:se. Tozale Backa ound Applicati ns Settings Melp Output Trace XYPlot PLane SettingState Vector Ident Snivel Views Weld Blank 2345670 MdIY 1 Part Ifo 12345670 sOlid Ishell R Masy Label None DIsC BElt setID 了 用鼠标选定区城[w/Doe ⊙ Single POly Title off TIms Trlad ode Frin Isos Lcon AcenZin+ 即mm DD Front Right Redw Home Load Hide Shad ViewWire Edge Grid Mesh ShrnPcen Zout// ttm Back Left Anim Reset PIck O Sphe Orrin⊙In □ Latel SeL Nodes sUrf All Splerten Infn ARea ORnx OPlan AJja. I Save whule O ByNodeOBySet Point OKp PRox OAdd Attach Load All Vis O Dytlem ODytdgeLine None Apply O Sell OCirc ORm clear Desel Rey ORyPart ORySegm surf 【实例截图】
【核心代码】
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