Altair-OptiStruct-10.0拓扑优化实例1

-0--1-㓳Ґаа˖⊭⊭䖖᩶㟲Ⲵᾲᘥ䇮䇑˄OS2010˅㾱≲֯⭘OptiStructsᤃᢁՈॆ࣏㜭ሩ⊭䖖᩶㟲䘋㹼ᾲᘥ䇮䇑ˈՈॆᗇࡠⲴ㔃ᶴнӵ䟽䟿ᴤ䖫ˈф┑䏣ᡰᴹ䖭㦧ᐕߥⲴ㓖ᶏ㾱≲DŽ⊭䖖᩶㟲ᴹ䲀ݳ㖁Ṭवᤜਟ䇮䇑४ฏ˄㬍㢢˅઼нਟ䇮䇑४ฏ˄哴㢢˅ˈྲമ1ᡰ⽪DŽ䴦Ԧᤷᇊ㓖ᶏ⛩˄䖭㦧ᯭ࣐⛩˅Ⲵਸս〫ˈ൘䈕⛩кᯭ࣐й⿽䖭㦧ਾӗ⭏Ⲵս〫࠶࡛Ѫ0.05ǃ0.02ǃ0.04ˈՈॆ䇮䇑Ⲵⴞḷᱟቭਟ㜭߿ቁ䇮䇑ᶀᯉDŽՈॆ䰞仈᧿䘠ྲл˖ⴞḷ˖փ〟ᴰሿॆ㓖ᶏ˖ᯭ࣐䖭㦧Ⲵ㢲⛩൘ᐕߥ1лⲴਸս〫ሿҾ0.05mm˗ᯭ࣐䖭㦧Ⲵ㢲⛩൘ᐕߥ2лⲴਸս〫ሿҾ0.02mm˗ᯭ࣐䖭㦧Ⲵ㢲⛩൘ᐕߥ3лⲴਸս〫ሿҾ0.04mmDŽ䇮䇑ਈ䟿˖অݳᇶᓖമ1वਜ਼ਟ䇮䇑઼нਟ䇮䇑ᶀᯉ४ฏⲴᴹ䲀ݳ㖁Ṭ⁑රᵜ⽪ֻⲴสᵜ࠶᷀䗷〻वᤜྲл޵ᇩ˖-ሶᐢḷ䇶ਟ䇮䇑онਟ䇮䇑४ฏⲴᴹ䲀ݳ⁑රሬޕHyperMesh˗-ᇊѹ⴨ޣⲴ኎ᙗǃ䗩⭼ᶑԦǃ䖭㦧ǃ઼Ոॆ৲ᮠ˗-֯⭘OptiStuct⺞ᇊᶀᯉⲴᴰՈ࠶ᐳ˗-㔃᷌˄ᇎփⲴ࠶ᐳ˅ሶԕঅݳᇶᓖ٬Ӿ0ࡠ1ⲴӁമ൘䇮䇑オ䰤ѝᱮ⽪ˈ䴰㾱࣐ᕪⲴ४ฏⲴᇶᓖ䎻ੁҾ1DŽ൘HyperMeshѝᔪ・ᴹ䲀ݳ⁑රㅜㅜ1↕˖䖭䖭ޕOptiStructᒦ䈫ਆ᮷Ԧ1.੟ࣘHyperMesh䖭㦧ᯭ࣐⛩-2-2.൘UserProfilesሩ䈍Ṷѝ䘹ᤙOptiStructˈᒦ⛩ࠫOKDŽ3.⛩ࠫᐕާḿ᤹䫞FilesPanelDŽ൘ᕩࠪⲴOpenfile…ሩ䈍Ṷѝ䘹ᤙcarm.hm᮷Ԧˈ䈕᮷ԦսҾinstall_directory/tutorials/hwsolvers/optistruct/4.⛩ࠫOpenˈcarm.hm᮷Ԧ㻛䖭ޕࡠᖃࡽHyperMesh䘋〻ѝˈਆԓ䘋〻ѝᐢᴹⲴަԆᮠᦞDŽㅜ2↕˖ᔪᔪ・ᶀᯉ઼ࠐօ኎ᙗᒦᇊᇊѹਸ䘲ⲴⲴ㓴Ԧᵜ⽪ֻѝᡰ⭘ࡠⲴйњcomponentsһݸᐢ㓿ᇊѹˈԕл䴰㾱ࡋᔪᶀᯉ䳶ᒦѪ⇿њcomponentsᤷᇊ⴨ᓄⲴᶀᯉDŽ1.⛩ࠫModel᤹䫞ˈ൘⁑ර⍿㿸デਓ޵к⛩ࠫ啐ḷਣ䭞ˈ〫ࣘݹḷ㠣Createˈ◰⍫ަҼ㓗㨌অᒦ䘹ᤙMaterialˈྲമ2˖മ2↕僔1デਓ2.൘Nameḿѝ䭞ޕSteel3.൘Cardimageḿѝ䘹ᤙMAT1മ3↕僔3デਓ-3-4.⛩ࠫCreate/Editˈ5.ᕩࠪMAT1㨌অ⭼䶒ˈ䇮㖞EѪ2.0E5ˈNuѪ0.3മ4↕僔5デਓ6.⛩ࠫreturnᨀ⽪˖ྲ᷌ᤜᕗѝⲴḀа亩⋑ᴹ䍻٬ˈਟԕ䙊䗷⛩ࠫ䈕䘹亩ሶަ◰⍫ˈ❦ਾ൘ᱮ⽪Ⲵ䗃ޕḿѝ䍻٬DŽԕкᔪ・ҶањᯠⲴᶀᯉsteelˈᤷᇊᶀᯉѪOptiStructⲴlinearisotropicˈᶘ∿⁑䟿Ѫ2E+05ˈ⋺ᶮ∄Ѫ0.3DŽ⭡Ҿᵜֻᱟањ㓯ᙗ䶉࣋࠶᷀䰞仈ˈփ〟ᱟަ૽ᓄˈഐ↔н䴰㾱ᤷᇊᇶᓖ٬DŽն൘ަᆳⲴᛵߥлˈᇶᓖ٬ᗵ享䇮ᇊDŽਟԕ䲿ᰦ֯⭘cardimageᆀ䶒ᶯሩcollectorⲴ঑⡷኎ᙗ䘋㹼؞᭩DŽ7.⛩ࠫModel᤹䫞ˈ൘⁑ර⍿㿸デਓ޵к⛩ࠫ啐ḷਣ䭞ˈ〫ࣘݹḷ㠣Createˈ◰⍫ަҼ㓗㨌অᒦ䘹ᤙPropertyˈ8.൘Nameḿ䭞ޕdesign_prop9.⛩ࠫcardimage=ᒦ䘹ᤙPSOLID10.⛩ࠫmaterial=ᒦ䘹ᤙSteel11.⛩ࠫCreate12.਼кᔪ・ањᯠⲴPropertyˈ൘Nameḿ䭞ޕnondesign_prop13.⛩ࠫcardimage=ᒦ䘹ᤙPSOLID14.⛩ࠫmaterial=ᒦ䘹ᤙSteel15.⛩ࠫCreate16.ӾCollectorsⲴл᣹㨌অ⛩ࠫAssign䘹ᤙComponentPropertyˈྲമ5മ5↕僔16デਓ17.⛩ࠫCompˈ䘹nondesign,൘⛩ࠫselect-4-മ6↕僔17デਓ18.⛩ࠫproperty=䘹ᤙnondesign_prop19.⛩ࠫassign20.䟽༽20-22↕ˈ䇮㖞design_propࡠdesign21.⛩ࠫreturnㅜ3↕˖ࡋࡋᔪ䖭㦧ᐕߥloadcollectorᵜ↕僔䴰㾱ࡋᔪ4њ䖭㦧ᐕߥloadcollectorˈભ਽ѪSPCǃBrakeǃCorner઼Potholeˈᒦᤷᇊн਼Ⲵ仌㢢ˈ↕僔ྲл˖1.⛩ࠫModel᤹䫞ˈ൘⁑ර⍿㿸デਓ޵к⛩ࠫ啐ḷਣ䭞ˈ〫ࣘݹḷ㠣Createˈ◰⍫ަҼ㓗㨌অᒦ䘹ᤙLoadCollector2.⛩ࠫname=ᒦ䗃ޕSPC3.൘Cardimageѝ䘹ᇊѪNone4.⛩ࠫcolorᒦ൘䈳㢢ᶯ䟼䘹ᤙа⿽仌㢢5.⛩ࠫCreate6.਼кˈࡋᔪਖཆйњ䖭㦧ᐕߥˈ਽〠࠶࡛ѪBrakeǃCorner઼Potholeㅜ4↕˖ࡋࡋᔪ㓖ᶏ1.൘ᐖ䗩デਓ⛩ࠫLoadCollectorsˈਣ䭞⛩ࠫSPCᒦ⛩ࠫMakeCurrentˈণሶSPC䇮㖞ѪᖃࡽⲴᐕߥ2.ӾAnalysis亥䶒ˈ⛩ࠫConstraintsˈ䘋ޕᇊѹ㓖ᶏⲴ䶒ᶯ3.Ӿ䶒ᶯᐖחⲴ᤹䫞ѝ䘹ᤙcreateᆀ䶒ᶯ4.൘മᖒデਓѝˈ䙊䗷⛩ࠫᯩᔿ䘹ᤙ྇㇑аㄟⲴ㢲⛩˄ࡽㄟˈྲമ7˅ˈ㓖ᶏަdof1ǃdof2઼dof3йњ㠚⭡ᓖˈdof4ǃdof5઼dof6йњ㠚⭡ᓖ⋑ᴹ㓖ᶏ5.⛩ࠫCreateˈণࡋᔪ㓖ᶏˈ൘മᖒデਓѝ㻛䘹ᤙⲴ㢲⛩༴ࠪ⧠й䀂ᖒ㓖ᶏㅖਧˈк䗩Ⲵᮠᆇ123㺘᰾⋯x䖤ǃy䖤ǃz䖤ᯩੁⲴ〫ࣘ㠚⭡ᓖᐢ㓖ᶏ-5-മ7㓖ᶏ྇㇑аㄟⲴdof1ǃdof2઼dof3йњ㠚⭡ᓖ6.䘹ᤙ྇㇑ਖаㄟⲴ㢲⛩ᒦ㓖ᶏަdof2઼dof3㠚⭡ᓖˈྲമ87.⛩ࠫcreateDŽ൘മᖒデਓѝ㻛䘹ᤙⲴ㢲⛩༴ࠪ⧠й䀂ᖒ㓖ᶏㅖਧˈк䗩Ⲵᮠᆇ23㺘᰾⋯y䖤ǃz䖤ᯩੁⲴ〫ࣘ㠚⭡ᓖᐢ㓖ᶏDŽമ8㓖ᶏ྇㇑ਖаㄟⲴdof2઼dof3єњ㠚⭡ᓖ8.⛩ࠫnodesˈᒦӾᢙኅ䘹亩デਓѝ䘹ᤙbyid9.䗃ޕᮠ٬3239ᒦ᤹എ䖖ˈণ䘹ᤙIDਧѪ3239Ⲵ㢲⛩ˈྲമ9DŽ10.ӵ㓖ᶏdof3DŽ11.⛩ࠫcreateDŽ൘മᖒデਓѝ㻛䘹ᤙⲴ㢲⛩༴ሶࠪ⧠й䀂ᖒ㓖ᶏㅖਧˈк䗩Ⲵᮠᆇ3㺘᰾⋯z䖤ᯩੁⲴ〫ࣘ㠚⭡ᓖᐢ㓖ᶏDŽമ9㓖ᶏID3239㢲⛩Ⲵdof33239ਧ㢲⛩-6-12.⛩ࠫreturn䘄എѫ㨌অㅜ5↕˖ࡋᔪ䖭㦧൘㢲⛩2699к࣐䖭йњ⤜・Ⲵ࣋ˈ࠶࡛൘xǃy઼zᯩੁкˈ࠶࡛኎Ҿbrakeǃcorner઼potholeйњloadcollectorDŽ֯⭘㺘1ѝⲴᮠ٬ᶕࡋᔪ䖭㦧DŽާփ↕僔ྲл˖㺘1࣋Ⲵ䇮ᇊNodeIdCollectorMagnitudeAxis2699brake1000x-axis2699corner1000y-axis2699pothole1000z-axis1.൘ᐖ䗩デਓ⛩ࠫLoadCollectorsˈਣ䭞⛩ࠫBrakeᒦ⛩ࠫMakeCurrentˈণሶBrake䇮㖞ѪᖃࡽⲴᐕߥ2.ӾAnalysis亥䶒ˈ⛩ࠫforcesˈ䘋ޕᇊѹ䖭㦧Ⲵ䶒ᶯ3.⛩ࠫnodes䘹ᤙbyid4.䗃ޕ㢲⛩ਧ2699ˈ᤹എ䖖䭞5.⛩ࠫ䖖䭞magnitude=䗃ޕ1000.0ˈ᤹എ䖖䭞6.⛩ࠫmagnitude=л䶒Ⲵᯩੁᇊѹᔰޣˈᒦ൘ᕩࠪ㨌অѝ䘹ᤙx-axis7.⛩ࠫcreateˈ൘㢲⛩2699Ⲵx䖤ᯩੁᯭ࣐1000অսⲴ䳶ѝ࣋ˈ↔ᰦ൘㢲⛩2699༴ࠪ⧠ањᤷੁxᯩੁⲴ㇝ཤDŽ8.ѪҶᴤྭൠਟ㿶䖭㦧Ⲵ㺘⽪㇝ཤˈਟ䘹ᤙuniformsize=䭞ޕ100ˈ᤹എ䖖䭞9.൘ᐖ䗩デਓ⛩ࠫLoadCollectorsˈਣ䭞⛩ࠫCornerᒦ⛩ࠫMakeCurrentˈণሶCorner䇮㖞ѪᖃࡽⲴᐕߥ10.⛩ࠫnodes䘹ᤙbyid11.䗃ޕ㢲⛩ਧ2699ˈ᤹എ䖖䭞12.⛩ࠫmagnitude=䗃ޕ1000.0ˈ᤹എ䖖䭞13.⛩ࠫmagnitude=л䶒Ⲵᯩੁᇊѹᔰޣˈᒦ൘ᕩࠪ㨌অѝ䘹ᤙy-axis14.⛩ࠫcreateˈ൘㢲⛩2699Ⲵy䖤ᯩੁᯭ࣐1000অսⲴ䳶ѝ࣋15.൘ᐖ䗩デਓ⛩ࠫLoadCollectorsˈਣ䭞⛩ࠫPotholeᒦ⛩ࠫMakeCurrentˈণሶPothole䇮㖞ѪᖃࡽⲴᐕߥ16.⛩ࠫnodes䘹ᤙbyid17.䗃ޕ㢲⛩ਧ2699ˈ᤹എ䖖䭞18.⛩ࠫmagnitude=䗃ޕ1000.0ˈ᤹എ䖖䭞-7-19.⛩ࠫmagnitude=л䶒Ⲵᯩੁᇊѹᔰޣˈᒦ൘ᕩࠪ㨌অѝ䘹ᤙz-axis20.⛩ࠫcreateˈ൘㢲⛩2699Ⲵz䖤ᯩੁᯭ࣐1000অսⲴ䳶ѝ࣋21.⛩ࠫreturnഎࡠAnalysis亥䶒മ10㢲⛩2699༴йњᯩੁⲴ䖭㦧ㅜ6↕˖ࡋࡋᔪOptiStructᆀᐕߥ䇮ᇊ䗩⭼ᶑԦᒦᇊѹᆀᐕߥDŽ1.൘Analysis亥䶒䘋ޕloadstepsᶯ䶒2.⛩ࠫname=䗃ޕBrakeˈ᤹എ䖖䭞3.⺞䇔typeѪlinearstatic4.⺞䇔SPCࡽⲴ༽䘹Ṷ㻛䘹ѝˈ5.⛩ࠫަਣחⲴᶑⴞ४ᒦӾloadcollectorsࡇ㺘ѝ䘹ᤙspc6.⺞䇔LOADࡽⲴ༽䘹Ṷ㻛䘹ѝˈ⛩ࠫަਣחⲴᶑⴞ४ᒦӾloadcollectorsࡇ㺘ѝ䘹ᤙbrake7.⛩ࠫcreateˈањOptiStructᆀᐕߥbrakeᐢ㓿ࡋᔪˈ䈕ᐕߥⲴ㓖ᶏ⭡loadcollectorѝⲴspcᤷᇊˈ࣋⭡loadcollectorѝⲴbrakeᤷᇊ8.਼ṧ↕僔ᇊѹCorner઼Pothole9.⛩ࠫreturnഎࡠAnalysis⭼䶒൘HyperMeshѝ䇮㖞Optimizationㅜ7↕˖ѪѪᤃᢁՈॆᇊѹ䇮䇑ਈ䟿1.൘Analysis亥䶒䘹ᤙoptimization䶒ᶯ2.䘹ᤙtopology䶒ᶯ3.Ӿ䶒ᶯᐖחⲴ᤹䫞ѝ䘹ᤙcreateᆀ䶒ᶯ4.⛩ࠫDESVAR=ᒦ䗃ޕdesign_prop,᤹എ䖖䭞5.⛩ࠫprops䘹ᤙdesign_propˈ⛩ࠫselect-8-6.䘹ᤙtype:PSOLID7.⛩ࠫCreateˈণᇊѹҶањᤃᢁՈॆⲴ䇮䇑オ䰤design_propˈ൘PropertycollectorѝⲴᡰᴹ਽Ѫdesign_propⲴঅݳ⧠൘䜭वਜ਼൘䇮䇑オ䰤ѝ8.⛩ࠫreturn䘄എoptimization䶒ᶯㅜ8↕˖ᇊᇊѹ૽ᓄ൘䘉њՈॆ䰞仈ѝˈⴞḷᱟփ〟Ⲵᴰሿॆˈ㘼㓖ᶏᱟਇ࣋Ⲵ2699ਧ㢲⛩Ⲵս〫DŽሶࡋᔪєњ૽ᓄ˖ањᱟ⭘ҾᇊѹⴞḷⲴփ〟૽ᓄˈਖањᱟս〫૽ᓄDŽᨀ⽪˖⭡Ҿйњ䖭㦧ᐕߥ䜭֯⭘⴨਼Ⲵ㢲⛩ս〫֌Ѫ૽ᓄˈᡰԕਚ䴰㾱ᇊѹањս〫૽ᓄDŽ1.䘹ᤙresponses䶒ᶯ2.⛩ࠫresponse=ᒦ䗃ޕvolDŽ3.⛩ࠫ૽ᓄ㊫රresponsetypeᔰޣᒦ൘ᕩࠪ㨌অѝ䘹ᤙvolume4.⺞䇔regional/total㖞Ҿtotal˄唈䇔٬˅ˈ5.⛩ࠫcreateDŽ⁑රⲴփ〟૽ᓄvolᐢ㻛ᇊѹ6.⛩ࠫresponse=ᒦ䗃ޕdisp17.⛩ࠫresponsetypeᔰޣᒦ൘ᕩࠪ㨌অѝ䘹ᤙStaticdisplacementDŽ8.⛩ࠫnodesᒦӾᕩࠪⲴᢙኅ亩䘹ᤙ㨌অѝ䘹ᤙbyIDDŽ9.䗃ޕ2699ᒦ᤹എ䖖DŽਇйњ࣋Ⲵ㢲⛩㻛䘹ᤙ10.䘹ᤙtotaldispDŽ䘉ᱟxǃyǃzйњ඀ḷ䖤ᯩੁⲴਸս〫DŽ11.⛩ࠫcreateDŽ㢲⛩2699Ⲵᙫս〫૽ᓄdisp1ᐢ㻛ᇊѹDŽ12.⛩ࠫreturn䘄എoptimization䶒ᶯDŽㅜ9↕˖ᇊᇊѹⴞḷ࠭ᮠ൘ᵜֻѝⴞḷᱟᴰሿॆᐢᇊѹⲴvolޘተփ〟૽ᓄDŽ1.൘optimization䶒ᶯˈ䘹ᤙobjectiveᆀ䶒ᶯ2.⛩ࠫobjective䶒ᶯᐖк䀂Ⲵ䖜ᦒ᤹䫞ˈӾᕩࠪ㨌অѝ䘹ᤙmin3.⛩ࠫresponse=ˈᒦӾ૽ᓄࡇ㺘ѝ䘹ᤙVol4.⛩ࠫcreate5.⛩ࠫreturn䘄എoptimization䶒ᶯDŽㅜ10↕˖ᇊᇊѹ䇮䇑㓖ᶏሩ⇿ањᆀᐕߥˈሶሩᐢᇊѹⲴਸս〫૽ᓄdisp1࣐ањкл䲀㓖ᶏDŽ-9-1.൘optimization䶒ᶯ䘹ᤙdconstraintsᆀ䶒ᶯ2.⛩ࠫconstraint=ᒦ䗃ޕconstr13.⺞䇔upperbound=㻛䘹ѝˈ4.⛩ࠫupperbound=ᒦ䗃ޕᮠ٬0.055.⛩ࠫresponse=ᒦ൘૽ᓄࡇ㺘ѝ䘹ᤙdisp16.⛩ࠫloadstepsˈ䘹ᤙbrake7.ᒦ⛩ࠫselect8.⛩ࠫcreateሩᓄᆀᐕߥbrakeˈ൘૽ᓄdisp1кᇊѹҶањк䲀Ѫ0.05Ⲵ㓖ᶏDŽ9.⛩ࠫconstraint=ᒦ䗃ޕconstr210.⺞䇔upperbound=㻛䘹ѝˈ11.⛩ࠫupperbound=ᒦ䗃ޕᮠ٬0.0212.⛩ࠫresponse=