两个端点节点之间定义抛物线
本帖最后由 wrj001 于 2021-6-23 22:37 编辑*PARAMETER
B=1
NE=20
NEE=10
NL=NE+1
NE2=NE+2
NE3=NE+3
NA=(NE+1)*(NEE+1)
NW=NA-NE
P1=NA+1
P2=NA+2
*NODE
1,0,4,0.0
<NL>,8,0, 0.0
<NW>,0 ,8, 0.0
<NA>,16,0,0.0
<P1>, 6,2, 0.0
<P2>,12,4, 0.0
*NGEN,LINE=P, NSET=SOUTH
1, <NL>,1, <P1>
*NGEN,LINE=P, NSET=NORTH
<NW>, <NA>, 1,<P2>
*NFILL, NSET=PLATE
SOUTH, NORTH, <NEE>, <NL>
*ELEMENT, TYPE=S4
1,1,2,<NE3>,<NE2>
*ELGEN, ELSET=SHELL
1,<NE>,1,1,<NEE>,<NL>,<NE>
*Shell Section, elset=SHELL, MATERIAL=STEEL
<B>
*Material, name=STEEL
*Elastic
21000.,0.3
*density
1.85e-9
*STEP
*FREQUENCY, eigensolver=lanczos
20
*END STEP
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