Fluent+UDF+Euler -- CFD Online Discussion Forums

February 17, 2009, 19:19	Fluent+UDF+Euler	#1
Bill Guest Posts: n/a	Hi everyone, I wrote an udf to consider additional forces on the dispersed particles motion. So, it relates to the momentum source term. The unit of the forces is N. Is it essential to be divided by the cell volume and the fluid time step. But, when i do that, the calculation can't converge. Looking forward to your advices. Thanks in advance. Bill

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