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发表于 2002-8-7 11:26:14
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来自 清华大学
Re:【求助】请教各位:如何在表面施加随时间变化且随坐标变化的荷载?
help中的Using the Array Parameter Method 如下:(试试看吧)
TM_START=1E-6 ! Starting time (must be > 0)
TM_END=112 ! Ending time of the transient
TM_INCR=1.5 ! Time increment
*DO,TM,TM_START,TM_END,TM_INCR ! Do for TM from TM_START to TM_END in
! steps of TM_INCR
TIME,TM ! Time value
F,272,FY,FORCE(TM) ! Time-varying force (at node 272, FY)
NSEL,... ! Select nodes on pressure surface
SF,ALL,PRES,PRESSURE(TM) ! Time-varying pressure
NSEL,ALL ! Activate all nodes
NSEL,... ! Select nodes for temperature specification
BF,ALL,TEMP,TEMP(TM) ! Time-varying temperature
NSEL,ALL ! Activate all nodes
SOLVE ! Initiate solution calculations
*ENDDO |
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