材料力学FEM3-2 FEM Simulation and Software MSC.AutoForge.PPT

SPRINGSUMMERCOURSE,2007FORUNDERGRADUATESTUDENTSCHAPTER3TWODIMENSIONALPROBLEMSFEMSIMULATIONANDSOFTWAREMSCAUTOFORGE33DEMONSTRATIONOFEXERCISESOLUTIONEXERCISE34USETWOCSTELEMENTSTOANALYZETHEPLATEUNDERBENDINGFIGAFOREACHELEMENT,OBTAINTHESTRAINDISPLACEMENTMATRIXB,THESTRESSDISPLACEMENTMATRIXSDB,THESTIFFNESSMATRIXCALCULATEONLYTHETERMSCORRESPONDINGTONODES1AND2BASSEMBLYTHEGLOBALSTIFFNESSMATRIX,APPLYTHEFORCESASINFIGURE1,ANDCALCULATETHEDISPLACEMENTSOFNODES1AND2CCALCULATETHEELEMENTSTRESSES,ANDVERIFYEQUILIBRIUMOFEDGE13CALCULATETHENODALSTRESSESCOMMENTONACCURACYOFYOURDISPLACEMENTSANDSTRESSESRESULTSUSEN2MM1030MPA104PTE，，，SOLUTIONFEMODELAREA,10MM2,THICKNESST01MM,33DEMONSTRATIONOFEXERCISESOLUTION1234YX1N1N②①10MM2MMCOORDINATES11111010001234YXNODES30MPA104，E012100101010120XIYIBICI0120101210101010XIYIBICI431NODESEL②321NODESEL①STRAINDISPLACEMENTMATRIXFOREL①CONSTITUTIVEMATRIX33DEMONSTRATIONOFEXERCISESOLUTION33221132132100000021BCBCBCCCCBBBBE2021001000100100020200213211B3500001300301121000101122EEEMMN4554921142E35021