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-   -   Internal combustion question (http://www.cfd-online.com/Forums/fluent/28558-internal-combustion-question.html)

Newbie May 27, 2001 22:40

Internal combustion question
 
Hi all Somebody came to me with a question I couldn't give a good answer. A friend wants to simulate a combustion chamber in which periodically (he will try to simulate a single cycle) a valve opens. That would mean to fluent that in a certain time a boundary will change. All I could tell him is that with a UDF you can change the boundaries by demand or that the problem would be solved in two step fashion with results of a simulation as entry of the other. I was really puzzle but I know that this problem has been solved already. Can anyone have a suggestion? He's using fluent 5.4

Cheers

Newbie


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