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[讨论]CFX5.7计算是出现这个问题怎么解决?

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发表于 2005-7-12 22:20:54 | 显示全部楼层 |阅读模式

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模拟工业加热炉的流动和传热,在加入燃烧之后,算了700多步的时候出现以下问题:
+--------------------------------------------------------------------+
| ****** Notice ****** |
| Newtons method failed to converge in 100 iterations. This |
| occured while computing the following variable: |
| |
| Variable Name : Temperature |
| Location Name : liutiyu |
| Mesh location : VERTICES |
| Mesh entity : |
| Last 3 Changes : 1.34525E+00 1.34525E+00 1.34525E+00 |
| Tolerance : 1.0000E-02 |
| |
| The Newton iteration was either slowly converging or has stalled. |
| The solver will continue with the variable set as it was on the |
| final iteration. If this situation continues you might try |
| increasing the number of iterations allowed for Newtons method. |
| This can be changed by setting one of the parameters: |
| |
| Temperature : "Constitutive Relation Iteration Limit" |
| Pressure : "Newton Pressure Iteration Limit" |
| |
| for your mixture using the definition file editor. |
+--------------------------------------------------------------------+
请教各位高手该如何解决?谢谢!
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