Question

ansys直接建立有限元模型问题

finish
/clear
/prep7
n,1,0,0,0
n,2,0,0.5,0
n,3,0,1,0
n,4,0.5,1,0
n,5,1,1,0
n,6,1,0.5,0
n,7,1,0,0
n,8,0.5,0,0
n,9,0,0,0.5
n,10,0,1,0.5
n,11,1,1,0.5
n,12,1,0,0.5
n,13,0,0,1
n,14,0,0.5,1
n,15,0,1,1
n,16,0.5,1,1
n,17,1,1,1
n,18,1,0.5,1
n,19,1,0,1
n,20,0.5,0,1
n,21,0,0,1.5
n,22,0,1,1.5
n,23,1,1,1.5
n,24,1,0,1.5
n,25,0,0,2
n,26,0,0.5,2
n,27,0,1,2
n,28,0.5,1,2
n,29,1,1,2
n,30,1,0.5,2
n,31,1,0,2
n,32,0.5,0,2
et,1,solid122
mp,perx,1,1
type,1
mat,1

e,7,5,3,1,19,17,15,13,6,4,2,8,18,16,14,20,12,11,10,9
e,19,17,15,13,31,29,27,25,18,16,14,20,30,28,26,32,24,23,22,21

e命令生成的是20节点solid122单元，生成后list--elements 为什么只有前8个节点

LIST ALL SELECTED ELEMENTS. (LIST NODES)

ELEM MAT TYP REL ESY SEC NODES

1 1 1 1 0 1 7 5 3 1 19 17 15 13
0 0 0 0 0 0 0 0
0 0 0 0
2 1 1 1 0 1 19 17 15 13 31 29 27 25
0 0 0 0 0 0 0 0
0 0 0 0

Answer 1

用E命令直接生成单元的话节点排列顺序是有一定限制的，你看看你E命令中的节点排序对不，可以参考HELP文档
EBLOCK
命令

Answer 2

我也建议使用ansys workbench软件

Answer 3

建议使用ansys workbench软件，建模的速度会快一些，同时难度也比较小