对节点施加动力荷载的几行命令，请指正
/SOLUANTYPE,trans
allsel,all
TM_START = 0.001! Starting time (must be > 0)
TM_END = 1.0 ! could be up to 30 Seconds for current file, 2009-09-23
TM_INCR=0.0005
*DO,TM,TM_START,TM_END,TM_INCR
TIME,tm
NSUBST,1
KBC,0
F,100,FY,aaa(tm) %aaa是已经在前边定义了维数
SOLVE
*ENDDO
请问这样施加荷载是否正确？
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