|March 20, 2006, 11:14||
concentration divergence for large Scmidt numbers
I'm trying to model a flow with a passive scalar, but I have trouble when the Schmidt number is large.
For Schmidt numbers above 10, or diffusion coefficients below 10^-4, the concentration of the passive scalar diverges (I'm using unstructured mesh with second order upwind or third order muscle).
Is there a way to perform these calculations without divergence?
Is it possible to implement a flux limiter to the third order muscle scheme through a UDF file?
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