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机械工程系analysis of truss using autocad femap algor使用分析桁架.pdf

发布：2025-03-25约3.67万字共26页下载文档

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DepartmentofMechanicalEngineeringTutorialfor25.108(IntroductiontoEngineering)

ANALYSISOFTRUSS

USINGAUTOCAD,FEMAPALGOR

PROBLEMDESCRIPTION:

Fig1.Trussconfiguration

INTRODUCTION:

Astaticallydeterminanttrusscanbeanalyzedusingeitherastaticanalysiscomputedby

hand,oritcanbesolvedwiththeaidofafiniteelementanalysisprogram.Astatically

determinanttrussissuchthatacanwriteasmanyequationstofindreactionsas

thereareunknownsforthegiventruss.

Atrussutilizespinnedconnectionsandhascomponents(members)thatcanonlysustain

compressiveandtensileforces.Becauseofthis,thetrusswillbemodeledusingsingle

elementsforeachindividualmemberofthetruss.

Thepre-processingprogramforthistutorialwillbeAutoCADandFEMAP,processing

programwillbeALGORandpost-processingwillbeALGOR.

PRE-PROCESSINGUSINGAUTOCAD

1.CreateLines

StartAutoCAD

Thetrusslayoutwillbecreatedbyusingcommandline.

Click“”ortype“line”incommandwindow.

Fistpoint:(Pickapointatanyconvenientposition)

Nextpoint:@0.5,0(lineAI)

Nextpoint:@1,0(lineIH)

Nextpoint:@1,0(lineHG)

Nextpoint:@1,0(lineGF)

DepartmentofMechanicalEngineeringTutorialfor25.108(IntroductiontoEngineering)

Nextpoint:ENTER

Click“”ortype“line”incommandwindow.

Fistpoint:PickpointAusingobjectsnap

Nextpoint:@0.560(lineAB)

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