Help! sub-iterations, Dynamic Mesh or UDF -- CFD Online Discussion Forums

January 19, 2007, 04:07	Help! sub-iterations, Dynamic Mesh or UDF	#1
Claudi Guest Posts: n/a	Hi everybody, I am trying to do a strong coupling algorithm for FSI with Fluent. I am searching for a possibility to do sub-iterations within one timestep. So my first question would be: Is it possible with Fluent to update the dynamic mesh again (or more than one time) within one timestep, not only at the begin of a timestep? Second question: Or is it possible to stop the actual iterations with a UDF (would mean a convergence criterium in or changed by the UDF) and go to the next timestep? Does anybody has already realisied a strong coupling algorithm with sub iterations and can tell me his/her experiences and maybe some tricks? Thanks for help! A really need some (diploma!!!). Claudia

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