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Turbulent flow over a blunt body Error Message

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Old   July 27, 2012, 17:31
Question Turbulent flow over a blunt body Error Message
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I am creating a simulation that analyzes the turbulent flow around a body of aluminum that is at a certain temperature. The idea is that the air flow will cool the aluminum to a specific temperature. I'm using the following models:
1. Viscous-Reynolds Stress, Linear Pressure-Straine
2.Heat exchanger-on

When i run my simulation it comes up with the following error: Divergence detected in AMG solver: temperature

Any ideas on what i'm missing? I do have boundary conditions: velocity inlet and outflow with a specified mass flow value.

All suggestions and opinions are welcome!
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