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243769892

新虫 (初入文坛)

[求助] FLUENT计算过程中浮点溢出 已有1人参与

首先介绍一下模型:一个换热器,内部流通含水蒸气的混合气体,换热介质为多孔介质,外部流的冷却水。通过UDF实现水蒸气冷凝和热质传递,但现在运行过程中,到了40多s的时候就会出现浮点溢出。不得已求助,希望有人帮帮忙,感激不尽!
  Stabilizing x-momentum to enhance linear solver robustness.

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

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

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

Divergence detected in AMG solver: pressure correction        Stabilizing species-0 to enhance linear solver robustness.

Divergence detected in AMG solver: species-0        Stabilizing species-1 to enhance linear solver robustness.

Divergence detected in AMG solver: species-1        Stabilizing temperature to enhance linear solver robustness.

Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


Divergence detected in AMG solver: x-momentum
Divergence detected in AMG solver: y-momentum
Divergence detected in AMG solver: z-momentum
Divergence detected in AMG solver: pressure correction
Divergence detected in AMG solver: species-0
Divergence detected in AMG solver: species-1
Divergence detected in AMG solver: temperature

WARNING: Invalid cp (0.000000e+00 J/kgK) for mixture-template at temperature 1.#QNAN0 K


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 at Node 6: floating point exception

Error at Node 7: floating point exception

Error at Node 8: floating point exception

Error at Node 9: floating point exception
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匿名

用户注销 (正式写手)

感谢参与,应助指数 +1
本帖仅楼主可见
2楼2019-11-30 16:21:41
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yayaya1995

新虫 (初入文坛)

楼主解决了吗,我做湿空气的冷凝也遇到这个问题,想交流交流

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3楼2020-07-03 09:11:13
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匿名

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4楼2020-07-08 13:53:12
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匿名

本帖仅楼主可见
5楼2020-07-08 13:53:35
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yayaya1995

新虫 (初入文坛)

引用回帖:
5楼: Originally posted by enjuwang001 at 2020-07-08 13:53:35
朋友,可以共享udf么?
...

我用的自带的lee模型

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6楼2020-07-08 20:21:32
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ljqmmljq

铁虫 (正式写手)

引用回帖:
6楼: Originally posted by yayaya1995 at 2020-07-08 20:21:32
我用的自带的lee模型
...

自带的LEE模型计算准确吗?
7楼2021-11-01 20:45:05
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