Question

ansys 输入 命令流 后系统报错 need at least 2 volumes for VADD command ，请问该怎么改？

Finish
/clear
/filename,3-1
/prep7
cy14,0,0,0.07....0.1
cy14,0,0,0.05,,,,0.1
blc,4,-0.1,0.03,0.2,-0.03,0.1
vsel,s,volu,,1
vsel,s,volu,,3
vadd,all
vsel,all
vsbv,4,2
blc4,-0.1,0,0.2,-0.1,0.1
vsbv,1,2
k,101,-0.1,0.03,0
k,102,-0.1,0.1,0
k,103,0.1,0.03,0
k,104,0.1,0.1,0
1,101,102
1,103,104
Finish

Answer 1

看你报错内容，应该是没有选择上两个体，所以体合并命令不好使（vadd），查看明令流，估计应该把vsel,s,volu,,3改成vsel,a,volu,,3试试（a表示also，就是继续选择3号体的意思，s就表示select，直接选的意思），试试，ansys很强力，好好学，大家多交流，有问题随时联系，谢谢。。。