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-   -   how to change particle properties using udf? (http://www.cfd-online.com/Forums/fluent-udf/74525-how-change-particle-properties-using-udf.html)

ljp April 2, 2010 09:57

how to change particle properties using udf?
 
HI all,

In modeling particle spraying, I try to change some of the particle's properties during flight when certain conditions are met. I wrote a udf using DEFINE_DPM_PROPERTY as in the example shown in the udf manual, but then found out that in the dialogue box for setting particle material, only a few properties allow udf (i.e. have the "user-defined function" option in the drop-down list), and others (like the thermal conductivity) do not have this option. So if I need to change the particle's thermal conductivity, what should I do?

thanks in advance!

ljp


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