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发表于 2010-4-13 13:55:17
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来自 四川成都
下面给出一个正确求解分析过程,你可以看看。
FINISH
/SOLU
!施加底部约束
ASEL,,LOC,Z,0
DA,ALL,ALL
ALLSEL
!施加自重荷载
ACEL,0,0,10
!进行模态求解
ANTYPE,MODAL
MODOPT,LANB,30
SOLVE
FINISH
!进行谱分析
/SOLU
ANTYPE,SPECTR
SPOPT,SPRS,30,YES
SVTYP,2 !加速度反应谱
SED,1,1 !X与Y向
FREQ,0.2500,0.2632,0.2778,0.2941,0.3125,0.3333,0.3571,0.3846,0.4167
FREQ,0.4545,0.5000,0.5556,0.6250,0.7143,0.8333,1.1111,2.0000,10.0000
FREQ,25.0000,1000.0000
SV,0.05,0.0797,0.0861,0.0934,0.1018,0.1114,0.1228,0.1362,0.1522,0.1716
SV,0.05,0.1955,0.2255,0.2642,0.3152,0.3851,0.4853,0.4853,0.4853,0.4853
SV,0.05,0.2588,0.2167
SOLVE
FINISH
!进行模态求解(模态扩展)
/SOLU
ANTYPE,MODAL
EXPASS,ON
MXPAND,30,,,YES,0.005
SOLVE
FINISH
!进行谱分析(合并模态)
/SOLU
ANTYPE,SPECTR
SRSS,0.15,disp
SOLVE
FINISH |
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