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Elijahon

铜虫 (初入文坛)

[求助] ansys建模 已有1人参与

计算海洋平台导管架有两种不同的圆管,如何正确建模?13-24(4个支撑杆)为实常数1的单元,1-12为2的单元,但是自己建下来总是一样大小?(P.S 怎么把金币大赏给求助者?下面是我的命令流
/prep7
et,1,beam188
mp,ex,1,2.1e11
mp,prxy,1,0.3
sectype,1,beam,ctube
secdata,0.55,0.6
mp,ex,2,2.1e1
mp,prxy,2,0.3
sectype,2,beam,ctube
secdata,0.2286,0.254
k,1
k,2,0,10
k,3,10,10
k,4,10
k,5,0.5,0.5,10
k,6,0.5,9.5,10
k,7,9.5,9.5,10
k,8,9.5,0.5,10
k,9,1,1,20
k,10,1,9,20
k,11,9,9,20
k,12,9,1,20
k,13,1.5,1.5,30
k,14,1.5,8.5,30
k,15,8.5,8.5,30
k,16,8.5,1.5,30
l,9,10
l,10,11
l,12,11
l,9,12
l,5,12
l,6,9
l,7,10
l,8,11
l,5,6
l,6,7
l,7,8
l,8,5
l,1,5
l,5,9
l,9,13
l,2,6
l,6,10
l,10,14
l,3,7
l,7,11
l,11,15
l,4,8
l,8,12
l,12,16
lsel,s,,,13,24,1
esize,,1
mat,1
real,1
lmesh,13,24,1
lsel,a,,,1,12,1
esize,,1
real,2
mat,2
lmesh,1,12,1

ansys建模
@O9E}ZDWN`V()0X5C12XCR4.png
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liyaobo0509

专家顾问 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
问题在于网格划分时,未指定 element section,修改后的网格划分效果及APDL代码如下:

ansys建模-1


/prep7
et,1,beam188
sectype,1,beam,ctube
secdata,0.55,0.6
sectype,2,beam,ctube
secdata,0.2286,0.254

mp,ex,1,2.1e11
mp,prxy,1,0.3
mp,ex,2,2.1e1
mp,prxy,2,0.3

k,1
k,2,0,10
k,3,10,10
k,4,10
k,5,0.5,0.5,10
k,6,0.5,9.5,10
k,7,9.5,9.5,10
k,8,9.5,0.5,10
k,9,1,1,20
k,10,1,9,20
k,11,9,9,20
k,12,9,1,20
k,13,1.5,1.5,30
k,14,1.5,8.5,30
k,15,8.5,8.5,30
k,16,8.5,1.5,30
l,9,10
l,10,11
l,12,11
l,9,12
l,5,12
l,6,9
l,7,10
l,8,11
l,5,6
l,6,7
l,7,8
l,8,5
l,1,5
l,5,9
l,9,13
l,2,6
l,6,10
l,10,14
l,3,7
l,7,11
l,11,15
l,4,8
l,8,12
l,12,16

lsel,s,,,13,24,1
esize,,1
type,1
mat,1
real,1
secnum,1
lmesh,13,24,1

lsel,a,,,1,12,1
esize,,1
type,1
mat,2
real,2
secnum,2
lmesh,1,12,1
2楼2017-04-05 15:45:20
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Elijahon

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3楼2017-04-06 13:30:47
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