【求助】为什么不收敛
在矩形板上烧结,为什么不收敛??急??BLOCK,-0.005,0.005,-0.0024,0.0024,0,0.001
BLOCK,-0.004,0.004,-0.00135,0.00135,0.001,0.0013
错误信息如下:
*** WARNING *** CP = 325.531 TIME= 21:43:32
Both solid model and finite element model boundary conditions have been
applied to this model.As solid loads are transferred to the nodes or
elements, they can overwrite directly applied loads.
*** WARNING *** CP = 353.281 TIME= 21:44:01
INITIAL CONDITIONS SPECIFIED - TUNIF IGNORED.
*** WARNING *** CP = 354.344 TIME= 21:44:02
Previous testing revealed that 3 of the 14886 selected elements violate
shape warning limits.To review warning messages, please see the
output or error file, or issue the CHECK command.
*** WARNING *** CP = 356.172 TIME= 21:44:04
Material property C of material 1 of element 4724 is evaluated at a
temperature of 1537.24344, which is above the supplied temperature
range.Temperature range checking terminates. 估计是材料的问题
把各材料参数给出来看看~ ET,1,SOLID70
MP,DENS,1,6202
MPTEMP,1,25,100,500,1000,1500
MPDATA,C,1,1,323.6,353.2,388.4,437.2,487.2
MPTEMP,1,25,500,1000,1500,3000
MPDATA,KXX,1,1,2,5,50,70,80
MPDATA,ENTH,1,1,0,9.9E5,1.8E6,3.25E7,4.3E7
MPTEMP,1,25,100,500,1000,1500
MP,DENS,2,7824
MPDATA,KXX,2,1,47.68,34.16,24.02,225,235
MPDATA,C,2,1,472,480,615,700,500
回复 3# bijiaoshuai 的帖子
1.温度范围你的温度范围有25~1500的又有25~3000的,计算过程中是不出现了处于1500~3000的计算结果呢?2.焓的取值一般不收敛都是焓的影响 你把enth去掉,看看是不能收敛,能的话说明其他的没啥问题,然后再修改焓的取值,可以多取几个点,令焓值-温度曲线尽量平滑,应该就可以了
如果都修改了还不行,那在看网格,以及时间步长的选取~ 谢谢指点 还不收敛么,都怎么改了?
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