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November 18, 2008, 07:24 |
Notice in CFX
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#1 |
Guest
Posts: n/a
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Hi
I am trying to simulate two phase flow in combustion chamber using CFX 10. After few more than 10 iterations I get message: __________________________________________________ __________ Newtons method failed to converge in 100 iterations. This occurred while computing the following variable: Variable Name : C3H8.Temperature Location Name : fluid Mesh location : VERTICES Mesh entity : Last 3 Changes : 1.50603E+03 1.50603E+03 1.50603E+03 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. __________________________________________________ __________ Soon after first message solver stops. I don't understand how to improve definition file taking into account this notice. Thanks in advance Marek |
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