cfx流固耦合计算出现错误!!!高人指点啊
cfx流固耦合计算出现错误!!!高人指点啊*** WARNING *** CP = 12.328 TIME= 22:02:41
Shape testing revealed that 396 of the 54982 new or modified elements
violate shape warning limits.To review test results, please see the
output file or issue the CHECK command.
***** ROUTINE COMPLETED *****CP = 14.219
*** WARNING *** CP = 58.234 TIME= 22:03:58
Zero thickness element 132623 may result in wrong thermal or bending
stress.Check real constant table 11.
*** NOTE *** CP = 60.719 TIME= 22:04:00
The initial memory allocation (-m) has been exceeded.
Supplemental memory allocations are being used.
*** ERROR *** CP = 82.984 TIME= 22:05:22
There is not enough memory for the Block Lanczos solver to proceed.
Please increase the virtual memory on your system and/or increase the
work space memory and rerun ANSYS.Alternatively, forcing the use of
the minimum out-of-core memory mode (BCSOPTION,,MINIMUM) may allow a
solution to be achieved without increasing the system memory or
decreasing the problem size.The memory currently allocated by ANSYS
= 482 MB.The memory allocation attempted = 267 MB.The largest
block of ANSYS memory available for the Block Lanczos solver = 153 MB.
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补充一下:我的流体部分网格是fluent的gambit中建立的。定义了流固耦合的接触面,问题大概是这样的,我在gambit中建立了水下船体的计算域(长方体),在ansys中建立了水下船头球匕首部分(只建立了球匕首部分的结构)的固体结构,指定了fsi 流固耦合的接触面,流体域使用Tgrid分网的,但是在球匕首船体壁面上式四边形网格体部分是四面体tgrid,固体部分的网格为四边形网格,网格大小比gambit中四边形网格小。
gambit流体部分的网格单元大约63万,ansys中有13万个nodes。
问题:
1. 我在ansys中建立了球匕首部分,导出cdb文件,再将cdb文件导入ansys生成dat文件时就出现了上述第一个错误。
2.另外一方面,我在忽略了这个错误后强行计算就出现了上述内存不足的问题。也出现了这个上述第一个错误提示。 kangking 发表于 2009-12-2 10:52 static/image/common/back.gif
补充一下:
我的流体部分网格是fluent的gambit中建立的。定义了流固耦合的接触面,问题大概是这样的,我在 ...
你做的是单向还是双向流固耦合
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