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fluent动网格计算总出现浮点异常这种问题怎么办呢

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发表于 2022-4-13 19:06:24 | 显示全部楼层 |阅读模式

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这种浮点异常问题出现好几次了 都是刚出现就报错。

Divergence detected in AMG solver: x-momentum        Stabilizing y-momentum to enhance linear solver robustness.

Divergence detected in AMG solver: y-momentum        Stabilizing pressure correction to enhance linear solver robustness.

Divergence detected in AMG solver: pressure correction        Stabilizing k to enhance linear solver robustness.

Divergence detected in AMG solver: k        Stabilizing omega to enhance linear solver robustness.

Divergence detected in AMG solver: omega
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: k
Divergence detected in AMG solver: omega
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: k
Divergence detected in AMG solver: omega
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: k
Divergence detected in AMG solver: omega
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: k
Divergence detected in AMG solver: omega
Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: k
Divergence detected in AMG solver: omega
Error at host: floating point exception

Error at Node 0: floating point exception

Error at Node 1: floating point exception

Error at Node 2: floating point exception

Error at Node 3: floating point exception

Error at Node 4: floating point exception

Error at Node 5: floating point exception

Error: floating point exception
Error Object: #f

发表于 2022-4-14 10:56:42 | 显示全部楼层
你的前面一串信息好像是说的你的模型计算本身的问题,这个需要你自己去解决
后面一小串信息好像说的是动网格问题,动网格报错一般是网格本身、时间步长和网格高度等设置问题

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好的,感谢  详情 回复 发表于 2022-4-15 11:03
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 楼主| 发表于 2022-4-15 11:03:00 | 显示全部楼层
脉管CFD 发表于 2022-4-14 10:56
你的前面一串信息好像是说的你的模型计算本身的问题,这个需要你自己去解决
后面一小串信息好像说的是动网 ...

好的,感谢
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