[转帖]非线形入门篇---几个小例子

AaronSpark · 发表于 2006-4-9 07:49

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1.柱轴心受压 /TITLE,BUCKLING OF A BAR /PREP7 ET,1,PLANE42,,,3 R,1,0.01 MP,EX,1,2.1E11 MP,PRXY,1,0.3 N,1 N,21,,1 FILL NGEN,2,21,1,21,,0.01 E,22,23,2,1 EGEN,20,1,1 FINISH /SOLU D,1,ALL,,,22,21 F,21,FY,-0.5,,42,21 PSTRES,ON SOLVE FINISH /SOLU ANTYPE,BUCKLE BUCOPT,SUBSP,1 MXPAND,1 SOLVE FINISH 2.刚架 /PREP7 ET,1,BEAM3 R,1,3.3*3.3,10,3.3 MP,EX,1,210E5 M,PRXY,1,0.3 K,1 K,2,,20 K,3,20 LSTR,1,2 LSTR,1,3 DK,1,UX DK,1,UY DK,3,UY FK,2,FY,-1 LMESH,ALL FINISH /SOLU ANTYPE,STATIC PSTRES,ON SOLVE FINISH /SOLU ANTYPE,BUCKLE BUCOPT,SUBSP,1 MXPAND,1 SOLVE FINISH /POST1 SET,FIRST SET,LIST PLDISP,1 FINISH 3.梁的侧扭 /PREP7 K,1 K,2,200 K,3,100,5 K,4,100 LSTR,1,4 LSTR,2,4 ET,1,BEAM189 SECTYPE,1,BEAM,RECT SECDATA,0.2,4 MP,EX,1,1E4 MP,NUXY,1 LATT,1,,1,0,3,,1 LESIZE,ALL,,,20 SECN,1 LMESH,ALL DK,1,,,,0,ALL DK,4,UY FK,2,FY,1 FINISH /SOLU PSTRES,ON EQSLV,SPARSE SOLVE FINISH /SOLU ANTYPE,1 BUCOPT,LANB,4 MXPAND,4,0,0,1,0.001 SOLVE FINISH /POST1 SET,FIRST PLDISP,1 FINISH /PREP7 UPGEOM,0.002,1,1,FILE,RST FINISH /SOLU ANTYPE,0 OUTRES,ALL,ALL NLGEOM,ON ARCLEN.ON NSUBST,10000 ARCTRM,U,1,2,UZ SOLVE FINISH /POST26 NSOL,2,2,U,Z,TIPLATDISP RFORCE,3,1,F,Y PROD,4,3,,,,,,-1,1,1 XVAR,2 PLVAR,4 PRVAR,2.4 4.板壳屈曲分析 ESIZE,4 AMESH,1 FINISH /SOLU NSEL,S,LOC,Z,0 D,ALL,UZ D,ALL,ROTX D,ALL,ROTY NSEL,S,LOC,Y,90 D,ALL,UX D,ALL,ROTZ D,ALL,ROTY NSEL,S,LOC,Y,(90-THETA) D,ALL,UX,,,,,UY,UZ NSEL,ALL NLGEOM,ON OUTRES,ALL,ALL F,1,FY,-250 NSUBST,30 ARCLEN,ON,4 SOLVE FINISH /POST26 NSOL,2,1,U,Y PROD,4,1,,,LOAD,,,2*250 PROD,5,2,,,,,,-1 PRVAR,4,5 /AXLAB,X,DEFLECTION(MM) /AXLAB,Y,TOTAL LOAD(N) /GRID,1 /XRANGE,0,110 /YRANGE,-1000,1000 XVAR,5 PLVAR,4

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