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-   -   Discrete Phase Modeling: UDF law for particles (http://www.cfd-online.com/Forums/fluent/71752-discrete-phase-modeling-udf-law-particles.html)

bjcfd January 13, 2010 17:46

Discrete Phase Modeling: UDF law for particles
 
I have some questions about develop UDF laws for particles.

Can I define a couple of laws (i.e. use DEFINE_DPM_LAW a few times to define laws for different processes) or do I have to integrate all relevant processes (heating/devolatilization/combustion, etc.) into one DEFINE_DPM_LAW function? In the second case, should I specify this single UDF_DPM_Law for all processes in the Custom Laws panel?

Would anyone please tell me how AddSources (dpm.h) works? Does it judge which process happens (thus one of the laws) based on particle properties and compute mass/heat source terms for particle equations?

Many thanks!


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