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[多场耦合] Adina 流固耦合问题

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发表于 2018-11-29 10:56:26 | 显示全部楼层 |阅读模式 来自 四川成都
Using ADINA Floating License
Checked out 1 ADINA license feature ADINA_STRUC
Checked out 1 ADINA license feature ADINA_CFD
Starting Job on Thu Nov 29 10:35:32 2018
Checking prerequisite files...
Maximum memory specified for solution = 6774.0 mb
Initializing ... Stage 1
Initializing ... Stage 2
Initial ADINA memory allocation  -    6774.0 mb  (or     846.7 mw)
Allocated 6774.0 MB memory.
Starting Solution Process ...
Input phase...
Assemblage of linear matrices.
Calculate and store the load vector
Available total memory . . . . . . . . . . . . .    6745.8 mb
Memory used for storage of model data. . . . . .      38.4 mb
Porthole file created, initial conditions saved
Re-allocating 181.9 MB of memory ...



ADINA-FSI program used..................[Mb] =     181.91
sparse solver used......................[Mb] =     916.47
ADINA-FSI and sparse solver used........[Mb] =    1098.38

Time step      1   Time = 7.49000E-05   Step size = 7.49000E-05
Memory used by ADINA sparse solver(in-core) :      44.8 mb
Factorization completed.
*** ERROR *** CODE ADF5010:
The following element is overlapped:
element (label)      =        235;
element group number =          1;
local nodal indices and their coordinates =
1 -0.10479124E-01 -0.20311929E-02 -0.42843092E-01
2 -0.10506034E-01 -0.19376080E-02 -0.42926729E-01
3 -0.12032013E-01 -0.20814193E-02 -0.42985734E-01
4 -0.11950617E-01 -0.21093262E-02 -0.42894433E-01
5 -0.10655812E-01 -0.24712203E-02 -0.38816826E-01
6 -0.10682871E-01 -0.24889531E-02 -0.38899495E-01
7 -0.12202144E-01 -0.26122374E-02 -0.38952509E-01
8 -0.12108394E-01 -0.25340901E-02 -0.38863065E-01
Number of errors =    1
Please search "ERROR" and "WARNING" in the *.out file for explanations
Check the *.log files for more details
ENDCODE=1 110       0
Error encountered ...
Total elapsed time = 0 hours, 15 minutes, 39 seconds
Job Canceled on Thu Nov 29 10:51:11 2018


这是流体的求解设置。

请问如何解决这个错误呢?我用FCBI-C可以计算出结果,但无法得到流体部分体积通量。或者在FCBI-C模式下也能得到流体部分的体积通量。


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发表于 2018-12-6 11:25:26 | 显示全部楼层 来自 湖北武汉
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这个问题我流固耦合的时候遇到过,当时是因为边界条件设置不合理,可能跟求解器设置没有很大关系,不过改小时间步可以试一试
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 楼主| 发表于 2018-12-9 20:13:28 | 显示全部楼层 来自 四川成都
谢谢解答!万分感谢!
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