本帖最后由 wyc412721 于 2011-7-6 08:27 编辑
下面是命令流,用ansys/ls-dyna做的,直接复制命令流就行
初学者了呵呵,一个非常简单的过程,在板上某区域施加力,目的是产生塑性变形,但是结果是没有任何变形和压力梯度,就是算了和没算一样,搞不懂为什么,帮帮忙啊,应该不是很难,但是我搞了一整天了~~~
- /clear
- /filname,shuikongchongji
- /title,chongji
- /prep7
- !国际单位制kg-m-s
- /units,si
- !单元定义
- !*
- ET,1,SOLID164
- !*
- !实体模型建立
- cylind,0,0.0003,-0.0001,0,90
- !划分网格
- /PREP7
- !*
- LESIZE,ALL, , ,20, ,1, , ,1,
- CM,_Y,VOLU
- VSEL, , , , 1
- CM,_Y1,VOLU
- CHKMSH,'VOLU'
- CMSEL,S,_Y
- !*
- MSHAPE,0,3d
- MSHKEY,1
- VMESH,_Y1
- MSHKEY,0
- !*
- CMDELE,_Y
- CMDELE,_Y1
- CMDELE,_Y2
- !*
- !材料力学参数
- /PREP7
- MPDE,DENS,1
- MP,DENS,1,7.8
- MPDE,EX,1
- MP,EX,1,90000
- MP,NUXY,1,0.36
- TBDE,BISO,1
- TB,BISO,1,,,,
- TBDAT,1,100
- TBDAT,2,80
-
- !建立待加载的单元组件
- allsel,all
- csys,1
- esel,s,live
- nsel,r,loc,x,0,0.0001
- nsel,r,loc,z,-0.000005,0
- esln,r,1
- CM,E,ELEM
- !建立时间压力表
- *DIM,time,ARRAY,5,1,1, , ,
- !*
- *SET,TIME(1,1,1) , 0.1
- *SET,TIME(2,1,1) , 0.2
- *SET,TIME(3,1,1) , 0.3
- *SET,TIME(4,1,1) , 0.4
- *SET,TIME(5,1,1) , 0.5
- *DIM,press,ARRAY,5,1,1, , ,
- !*
- *SET,PRESS(1,1,1) , 100
- *SET,PRESS(2,1,1) , 300
- *SET,PRESS(3,1,1) , 500
- *SET,PRESS(4,1,1) , 300
- *SET,PRESS(5,1,1) , 100
- !施加压力载荷
- /solu
- EDLOAD,ADD,PRES,6,E,PRESS,TIME, 0, , , , ,
- !施加约束
- allsel,all
- /solu
- FLST,2,1,5,ORDE,1
- FITEM,2,1
- !*
- /GO
- DA,P51X,ALL,0
- !求解时间
- /solu
- TIME,0.6,
- allsel,all
- solve
- fini
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