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[问题讨论] miso定义混凝土特性表,求解时出现弹模不匹配,百思不得...

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发表于 2013-11-14 10:04:43 | 显示全部楼层 |阅读模式 来自 湖南长沙
想做钢筋混凝土梁受弯性能分析,采用软件ansys11.0,然后采用分离式建模,混凝土定义为miso,钢筋定义为biso
命令流如下:
/prep7
!1.定义单元与材料性质--------------------
et,1,solid65
et,2,link8
mp,ex,1,2.2e4
mp,prxy,1,0.2
mp,dens,1,2500
fc=15.4
ft=1.27
tb,concr,1
tbdata,,0.5,0.95,ft,-1
tb,miso,1,,14
tbpt,,0.0002,fc*2/7
tbpt,,0.0004,fc*0.36
tbpt,,0.0006,fc*0.51
tbpt,,0.0008,fc*0.64
tbpt,,0.001,fc*0.75
tbpt,,0.0012,fc*0.84
tbpt,,0.0014,fc*0.91
tbpt,,0.0016,fc*0.96
tbpt,,0.0018,fc*0.99
tbpt,,0.002,fc
tbpt,,0.0025,fc*0.9
tbpt,,0.0033,fc*0.85
tbpt,,0.0033,fc*0.8
tbpt,,o.004,fc*0.75
mp,ex,2,2.0e5
mp,prxy,2,0.3
tb,biso,2
tbdata,,300,0
pi=acos(-1)
r,1,0.25*pi*12*12
r,2,0.25*pi*6*6
r,3,0.25*pi*8*8

但在求解过程中出现了如下问题,


说是根据数据表的初始弹性模量大于给定值22000,而初始弹性模量竟然高达1.4e31,很不解,然后尝试更改数据表中数据,发现这个数值不变。。。
不知道该怎么解决,请问有做过类似的师兄师姐吗,帮忙指点一二,非常感谢了。。。

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