本帖最后由 623891140 于 2012-7-13 09:47 编辑
我自定义了一个截面,然后使用beam189进行调用在调用的时候出现了错误提示:Beam cross section data for section ID 11 has no torsional stiffness.
BEAM188/BEAM189 elements are beam elements in 3d, and valid torsional stiffness input is necessary. 急请路过的高手们不吝赐教。谢谢了!
以下为我自定义截面的命令流:
FINISH
/CLEAR
/PREP7
ET,1,plane82
!材性
MP,EX,1,206E9
MP,PRXY,1,0.3
! KeyPoints
K,2,312.217626489688,250.369335670135
K,3,312.217626489688,210.369335670135
K,4,297.217626489688,250.369335670135
K,5,297.217626489688,248.369335670135
K,6,310.217626489688,248.369335670135
K,7,310.217626489688,212.369335670135
K,8,234.217626489688,212.369335670135
K,9,234.217626489688,248.369335670135
K,10,247.217626489688,248.369335670135
K,11,247.217626489688,250.369335670135
K,12,232.217626489688,250.369335670135
K,13,232.217626489688,210.369335670135
K,14,352.217626489688,210.369335670135
K,15,352.217626489688,195.369335670135
K,16,350.217626489688,195.369335670135
K,17,350.217626489688,208.369335670135
K,18,314.217626489688,208.369335670135
K,19,314.217626489688,132.369335670135
K,20,350.217626489688,132.369335670135
K,21,350.217626489688,145.369335670135
K,22,352.217626489688,145.369335670135
K,23,352.217626489688,130.369335670135
K,24,312.217626489688,130.369335670135
K,25,356.217626489688,142.369335670135
K,26,354.217626489688,142.369335670135
K,27,356.217626489688,132.369335670135
K,28,410.217626489688,132.369335670135
K,29,410.217626489688,163.369335670135
K,30,397.217626489688,163.369335670135
K,31,397.217626489688,208.369335670135
K,32,356.217626489688,208.369335670135
K,33,356.217626489688,198.369335670135
K,34,354.217626489688,198.369335670135
K,35,354.217626489688,210.369335670135
K,36,399.217626489688,210.369335670135
K,37,399.217626489688,165.369335670135
K,38,412.217626489688,165.369335670135
K,39,412.217626489688,130.369335670135
K,40,354.217626489688,130.369335670135
! Lines
LSTR, 2, 3
LSTR, 4, 2
LSTR, 5, 4
LSTR, 6, 5
LSTR, 7, 6
LSTR, 8, 7
LSTR, 9, 8
LSTR, 10, 9
LSTR, 11, 10
LSTR, 12, 11
LSTR, 13, 12
LSTR, 3, 13
LSTR, 14, 15
LSTR, 16, 15
LSTR, 17, 16
LSTR, 18, 17
LSTR, 19, 18
LSTR, 20, 19
LSTR, 21, 20
LSTR, 22, 21
LSTR, 23, 22
LSTR, 24, 23
LSTR, 3, 24
LSTR, 14, 3
LSTR, 25, 26
LSTR, 27, 25
LSTR, 28, 27
LSTR, 29, 28
LSTR, 30, 29
LSTR, 31, 30
LSTR, 32, 31
LSTR, 33, 32
LSTR, 34, 33
LSTR, 35, 34
LSTR, 36, 35
LSTR, 37, 36
LSTR, 38, 37
LSTR, 39, 38
LSTR, 40, 39
LSTR, 26, 40
AL,P!
smrtsize,7 !自动mesh精度,1为最高,10为最低
!生成自定义截面文件
amesh,all
SECWRITE,JZT1,SECT,,
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