USING COMPRESSIBILITY MODELS RUN INTO NaN

Numerical methods and mathematical models of Elmer
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studioa
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Joined: 23 Jul 2011, 23:39
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USING COMPRESSIBILITY MODELS RUN INTO NaN

Post by studioa »

Hello -

whenever I try to change to compressible gas (air) the solver run into NaN.
None of the compressibility models work, all of them run into NaN ... ERROR:: IterSolve: Failed convergence tolerances.
In this case I try to use ELMER to simulate airflow patterns inside HVAC systems in buildings.

Suggestions are welcome.

Thanks!
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