PrePoMaxの使い方 部品の連結

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1. 1 PrePoMax ͷ࢖͍ํ ෦඼ͷ࿈݁ OpenCAE ݚڀձʢJapan OpenCAE Working Groupʣ 2020 ೥ 2 ݄ 1 ೔ ໨࣍ 1 ͸͡Ίʹ 1 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2 2.1 ܗঢ়ͷΠϯϙʔτ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.2 ϝογϡͷ࡞੒ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.3 ৚݅ઃఆ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.4 ࡐྉͷઃఆ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4.1 ࡐྉ෺ੑ஋Λఆٛ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4.2 ࡐྉΛׂΓ౰ͯ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4.3 ࿈݁໘ͷఆٛ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.5 ղੳ৚݅ͷઃఆ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.6 ղੳͷ࣮ߦ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.7 ݁Ռͷ֬ೝ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3 ෦඼ؒͷ͕ܺؒ͋ΔϞσϧͷղੳ 17 3.1 Ϟσϧͷ࡞੒ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.2 ղੳͷ࣮ߦ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1 ͸͡Ίʹ ෳ਺ͷ Solid Λ࿈݁ʢ݁߹ʣͯ͠ Assy Λ࡞ΓɺAssy ͷઢܗղੳΛ͢Δ໰୊Λߟ͑·͢ɻෳ਺ͷ෦ ඼Λ഑ஔͨ͠ޙɺ࿈݁͢ΔՕॴΛఆٛͯ͠࿈݁͠ղੳ͠·͢ɻ࿈݁෦Ͱՙॏ΍มҐΛ૬खଆʹ఻͑ߏ ଄ղੳΛߦ͍·͢ɻ͜ͷ໰୊͸ɺෳࡶͳ෦඼Λ૊Έ߹Θͤͯ Assy Λ࡞ͬͯղੳ͢Δʹ͸ɺ౎߹ͷΑ ͍ํ๏Ͱ͕͢ɺ࿈݁෦ͷޡ͕ࠩൃੜ͠·͢ɻ࿈݁෦ͷޡࠩΛͳͨ͘͢Ίʹ͸ɺෳ߹ࡐʢ࿈݁෦Ͱઅ఺ Λڞ༗͢ΔϞσϧʣͷϞσϧΛ࡞ΓղੳΛߦ͍·͕͢ɺෳࡶͳ෦඼ͷ৔߹ɺෳ߹ࡐͷϞσϧΛ࡞Δ͜ ͱ͸ɺ೉͘͠ͳ͖ͬͯ·͢ɻ ͜ͷࢿྉ͸Φʔϓϯ CAE ษڧձˏذෞͰެ։͞Ε͍ͯΔ FS ࢯ͝ఏڙͷʮSALOME-Meca ͷ࢖ ༻๏ղઆɿ40.0 ෦඼ͷ࿈݁ʯΛ PrePoMaxʢCalculixʣ༻ʹ࡞Γ௚ͨ͠΋ͷͰ͢ɻ
2. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ෦඼Λ૊Έ߹Θͤͯ Assy Λ࡞Γ·͕͢ɺ͜ΕΒ෦඼ؒͷ͕ܺؒ 0 ͷ৔߹ͰղੳΛߦ͍·͢ɻϞσ ϧ͸ɺ ʮmulti-bar-1 asm.stpʯΛ࢖͍·͢ɻ ղੳ͸ɺ /Calculix/Assy/ͱ͍͏ϑΥϧμʔΛ࡞Γɺ͜ͷதͰղੳΛߦ͍·͢ɻ PrePoMax Λىಈ͠·͢ɻ 2.1 ܗঢ়ͷΠϯϙʔτ ϝχϡʔόʔΑΓɺ ʮFileʯ ʼ ʮImportʯ Ͱɺ ʮmulti-bar-1 asm.stpʯ ΛΠϯϙʔτ͠·͢ɻ ʮGeometryʯ λϒͷ Parts ͷԼʹʮSolid Part-1ʯ ɺ ʮSolid Part-1 Copy-1ʯ͕௥Ճ͞Ε·͢ɻ ਤ 1 ܗঢ়ͷΠϯϙʔτ ʮGeometryʯλϒͷʮSolid Part-1ʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷத͔Βɺ ʮEditʯ Λબ୒͠·͢ɻProperties ಺ͷʮNameʯΛʮBarʯʹ͠·͢ɻ ʮOKʯΛΫϦοΫͯ͠ʮEdit Part: Solid Part-1ʯ΢Οϯυ΢Λด͡·͢ɻ 2
3. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.2 ϝογϡͷ࡞੒ ਤ 2 Edit Part: Solid Part-1 ಉ༷ʹɺ ʮGeometryʯλϒͷʮSolid Part-1 Copy-1ʯͷʮNameʯΛʮBaseʯʹ͠·͢ɻ 2.2 ϝογϡͷ࡞੒ ʮGeometryʯλϒͷʮBarʯͱʮBase] Λબ୒*1͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷத͔Βɺ ʮCreate meshʯΛબ୒͠·͢ɻϝογϡ͕࡞੒͞Εɺ ʮFE ModelʯλϒʹҠΓ·͢ɻ࡞੒͞Εͨϝο γϡʹ໰୊͕͋Ε͹ɺ ʮGeometryʯλϒʹ໭Γɺϝογϡ෼ׂઃఆ͔Β΍Γ௚͍ͯͩ͘͠͞ɻ *1 Ctrl ΩʔΛԡ͠ͳ͕ΒͰෳ਺બ୒͕ՄೳͰ͢ɻ 3
4. 2.3 ৚݅ઃఆ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 3 ϝογϡͷ࡞੒ 2.3 ৚݅ઃఆ ࡞੒͞Εͨϝογϡʹɺݻఆ৚݅༻ͷ໘άϧʔϓΛ࡞੒͠·͢ɻ ʮFE ModelʯλϒͷʮModelʯπ Ϧʔ͔Βɺ ʮSurfacesʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷத͔Βɺ ʮCreateʯΛબ୒͠· ͢ɻProperties ಺ͷʮNameʯΛʮfixʯʹ͠·͢*2ɻ ʮSelect itemsʯͷʮEmptyʯΛબ୒͠ɺͦͷӈ ԣʹݱΕΔʮ. . . ʯΛબ୒͠·͢ɻ *2 σϑΥϧτ͸ Surface-1 Ͱ͢ɻ 4
5. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.3 ৚݅ઃఆ ਤ 4 Create Surface ʮSet selectionʯ΢Οϯυ΢Ͱɺ ʮDaraʯʼʮGeometry based selectionʯͷத͔Βɺ ʮSurface, edges andverticesʯʹνΣοΫΛೖΕ͍ͯͩ͘͞ɻ 5
6. 2.3 ৚݅ઃఆ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 5 Set selection ϝΠϯ΢Οϯυ΢ͷϝογϡ͔Β໨తͷ໘Λબ୒͠·͢ɻ੺͘ڠௐදࣔ͞Εͨ໘ʹ໰୊ͳ͚Ε͹ ʮOKʯΛΫϦοΫͯ͠ʮSet selectionʯ΢Οϯυ΢Λด͡ɺ͞ΒʹʮOK-NewʯΛΫϦοΫ͠ɺଞͷ ໘άϧʔϓΛ࡞੒͠·͢ɻ ਤ 6 ݻఆ༻໘ͷબ୒ 6
7. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.4 ࡐྉͷઃఆ ಉ༷ʹɺ ʮcontBaseʢBase ͷ࿈݁໘ʣ ʯ ɺ ʮcontBarʢBar ͷ࿈݁໘ʣ ʯ ɺ ʮpressʢՙॏΛ෇Ճ͢Δ໘ʣ ʯ Λ࡞੒͠ɺ࠷ޙ͸ʮOKʯΛΫϦοΫͯ͠ʮCreate Surfaceʯ΢Οϯυ΢Λด͡·͢ɻ ਤ 7 ໘ͷબ୒ 2.4 ࡐྉͷઃఆ 2.4.1 ࡐྉ෺ੑ஋Λఆٛ ࡐྉ෺ੑ஋Λఆٛ͠·͢ɻ ʮFE ModelʯλϒͷʮModelʯπϦʔ͔Βɺ ʮMaterialʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝ χϡʔͷத͔Βɺ ʮCreateʯΛબ୒͠·͢ɻ ʮMaterial nameʯΛʮAluminumʯʹ͠·͢ɻ ʮAvailable modelsʯ ͷத͔Βɺ ʮElasticʯ Λબ୒͠ɺ ӈ໼ҹϘλϯΛԡ͠·͢ɻ ʮYoung’s modulusʯ ͷ஋ʹ ʮ70600 ʢMPaʣ ʯΛɺ ʮPoisson’s ratioʯͷ஋ʹʮ0.345ʯΛೖྗ͠·͢ɻ͞ΒʹʮOK-Add NewʯΛΫϦοΫ ͠ɺଞͷࡐྉΛ࡞੒͠·͢ɻ 7
8. 2.4 ࡐྉͷઃఆ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 8 ஄ੑࡐྉఆ਺ͷઃఆ:Aluminum ಉ༷ʹɺ ʮMaterial nameʯΛʮSteelʯʹ͠·͢ɻ ʮAvailable modelsʯͷத͔Βɺ ʮElasticʯΛબ୒ ͠ɺӈ໼ҹϘλϯΛԡ͠·͢ɻ ʮYoung’s modulusʯͷ஋ʹʮ212000ʢMPaʣ ʯΛɺ ʮPoisson’s ratioʯ ͷ஋ʹʮ0.293ʯΛೖྗ͠·͢ɻ ʮOKʯΛΫϦοΫͯ͠ʮCreate Materialʯ΢Οϯυ΢Λด͡·͢ɻ 8
9. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.4 ࡐྉͷઃఆ ਤ 9 ஄ੑࡐྉఆ਺ͷઃఆ:Steel 2.4.2 ࡐྉΛׂΓ౰ͯ ղੳର৅ʹࡐྉ෺ੑ஋Λఆٛͨ͠ࡐྉΛׂΓ౰ͯ·͢ɻ ʮFE Modelʯ λϒͷ ʮModelʯ πϦʔ͔Βɺ ʮSectionsʯ Λબ୒͠ɺ ӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔ ͷத͔Βɺ ʮCreateʯΛબ୒͠·͢ɻ ʮSection-1ʯͷʮMaterialʯʹʮAluminumʯ ɺ ʮPartʯʹʮBaseʯ ΛׂΓ౰ͯ·͢ɻ͞ΒʹʮOK NewʯΛΫϦοΫ͠ɺଞͷࡐྉͷׂΓ౰ͯߦ͍·͢ɻ 9
10. 2.4 ࡐྉͷઃఆ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 10 Create Section-1 ಉ༷ʹɺ ʮSection-2ʯͷʮMaterialʯʹʮSteelʯ ɺ ʮPartʯʹʮBarʯΛׂΓ౰ͯ·͢ɻࡐྉͷׂΓ౰ ͯʹ໰୊ͳ͚Ε͹ʮOKʯΛΫϦοΫͯ͠ʮCreate Sectionʯ΢Οϯυ΢Λด͡·͢ɻ 10
11. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.4 ࡐྉͷઃఆ ਤ 11 Create Section-2 2.4.3 ࿈݁໘ͷఆٛ ʮFE ModelʯλϒͷʮModelʯπϦʔ͔ΒʮConstraintsʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝ χϡʔͷத͔Βɺ ʮCreateʯΛબ୒͠·͢ɻ ʮCreate Constraintsʯ΢Οϯυ΢ͷ Type ͔Βɺ ʮTieʯ Λબ୒͠·͢ɻProperties ಺ͰʮSlave surfaceʯΛʮcontBarʯʹɺ ʮMaster surfaceʯΛʮcontBaseʯ Λબ୒͠·͢ɻ ʮOKʯΛΫϦοΫͯ͠ʮCreate Constraintsʯ΢Οϯυ΢Λด͡·͢ɻ 11
12. 2.5 ղੳ৚݅ͷઃఆ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 12 ࿈݁໘ͷఆٛ 2.5 ղੳ৚݅ͷઃఆ ʮFE ModelʯλϒͷʮModelʯπϦʔ͔ΒʮstepʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷ த͔Βɺ ʮCreateʯΛબ୒͠·͢ɻ ʮCreate Stepʯ΢Οϯυ΢ͷ Type ͔Βɺ ʮStatic stepʯΛબ୒͠ ·͢ɻ ʮOKʯΛΫϦοΫͯ͠ʮCreate Stepʯ΢Οϯυ΢Λด͡·͢ɻ 12
13. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.5 ղੳ৚݅ͷઃఆ ਤ 13 Create Step ʮFE ModelʯλϒͷʮModelʯπϦʔ͔Βɺ ʮBCsʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷ த͔Βɺ ʮCreateʯΛબ୒͠·͢ɻProperties ಺ͰʮSurfaceʯ͸ʮfixʯΛબ୒͠·͢ɻDOFʢࣗ༝ ౓ʣͷ U1ʢX ํ޲มҐʣ ɺU2ʢY ํ޲มҐʣ ɺU3ʢZ ํ޲มҐʣͷ஋Λʮ0ʯʹ͠·͢ɻOK ΛΫϦο Ϋͯ͠ʮCreate Boundary Conditionʯ΢Οϯυ΢Λด͡·͢ɻ 13
14. 2.5 ղੳ৚݅ͷઃఆ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 14 Create Boundary Condition ʮFE ModelʯλϒͷʮModelʯπϦʔ͔Βɺ ʮLoadsʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔ ͷத͔Βɺ ʮCreateʯΛબ୒͠·͢ɻ ʮCreate Loadʯ΢Οϯυ΢ͷ Type ͔Βɺ ʮPressureʯΛબ୒͠ ·͢ɻProperties ಺ͰʮSurfaceʯ͸ʮPressʯΛબ୒͠·͢ɻѹྗྔΛઃఆ͢ΔͨΊʮmagnitudeʯͷ ஋Λʮ0.1ʢMPaʣ ʯʹ͠·͢ɻ ʮOKʯΛΫϦοΫͯ͠ʮCreate Stepʯ΢Οϯυ΢Λด͡·͢ɻ 14
15. 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ 2.5 ղੳ৚݅ͷઃఆ ਤ 15 Create Load ʮFE ModelʯλϒͷʮAnalysesʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷத͔Βɺ ʮCreateʯ Λબ୒͠·͢ɻData ಺ͰʮNameʯΛʮAssyʯʹมߋ͠·͢*3ɻ ʮOKʯΛΫϦοΫͯ͠ʮCreate Analysesʯ΢Οϯυ΢Λด͡·͢ɻ *3 σϑΥϧτͰ͸ Analysis-1 15
16. 2.6 ղੳͷ࣮ߦ 2 ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳ ਤ 16 Edit Analysis: Assy 2.6 ղੳͷ࣮ߦ ʮFE ModelʯλϒͷʮAssyʯΛબ୒͠ɺӈΫϦοΫͰදࣔ͞ΕΔϝχϡʔͷத͔Βɺ ʮRunʯΛબ ୒͠·͢ɻ ʮMonitorʯ΢Οϯυ΢͕දࣔ͞Εɺ ʮOutputʯλϒͷதͰɺJob finished ͱදࣔ͞Εͨ Βղੳ͕ऴྃͰ͢ɻ ਤ 17 Monitor 2.7 ݁Ռͷ֬ೝ ʮMonitorʯ΢Οϯυ΢ͷʮResultsʯΛΫϦοΫ͢Δͱղੳ݁Ռ͕ಡΈࠐ·Εɺ ʮResultsʯλϒʹҠ Γ·͢ɻ݁Ռ͸ɺ࣍ਤͷΑ͏ʹಘΒΕ·͢ɻ 16
17. 3 ෦඼ؒͷ͕ܺؒ͋ΔϞσϧͷղੳ ਤ 18 มҐ 3 ෦඼ؒͷ͕ܺؒ͋ΔϞσϧͷղੳ લهͨ͠Ϟσϧ͸ɺ2 ϲͷ෦඼ؒʹܺؒͳ͘ʢܺؒ 0ʣ഑ஔ͞ΕͨϞσϧΛ࡞Γղੳͨ͠ͷͰɺ2 ϲ ͷ෦඼ؒʹҙࣝతʹܺؒΛઃ͚ͯ഑ஔͨ͠৔߹΋ղੳͰ͖Δ͔Ͳ͏͔֬ೝ͠·͢*4ɻ 3.1 Ϟσϧͷ࡞੒ ϝχϡʔόʔΑΓɺ ʮFileʯ ʼ ʮImportʯ Ͱɺ ʮmulti-bar-1 0 5.stpʯ ΛΠϯϙʔτ͠·͢ɻ ʮGeometryʯ λϒͷ Parts ͷԼʹʮSolid Part-1ʯ ɺ ʮSolid Part-1 Copy-1ʯ͕௥Ճ͞Ε·͢ɻ Base ͱ Bar ʹ 0.5mm ͷ͕ܺؒ͋Δ͜ͱΛ֬ೝ͍ͯͩ͘͠͞ɻ *4 ෳ਺ͷ෦඼Λ࡞Γ͜ΕΒΛ഑ஔͯ͠ Assy ͱͨ͠ͱ͖ɺ௨ৗ͸ɺ෦඼ؒʹඍົͳܺؒ΍৯͍ࠐΈ͕ੜ͡·͢ɻ 17
18. 3.2 ղੳͷ࣮ߦ 3 ෦඼ؒͷ͕ܺؒ͋ΔϞσϧͷղੳ ਤ 19 ܺؒͷ֬ೝ ͔͜͜Β͸ʮ෦඼ؒͷ͕ܺؒͳ͍Ϟσϧͷղੳʯͱಉ͡ૢ࡞Λղੳͷ࣮ߦ·Ͱ࣮ࢪ͍ͯͩ͘͠͞ɻ 3.2 ղੳͷ࣮ߦ Ҏ্ 18