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-   -   UDF for time steps (http://www.cfd-online.com/Forums/fluent/45724-udf-time-steps.html)

David August 14, 2007 11:54

UDF for time steps
 
Hi folks,

I am using Fluent to simulate the mass transport in a rotating flow, and have a couple of questions on time steps.

(1) How to decide the initial time steps?

(2) How's the computational accuracy of UDF controlling time steps? I need to simulate large times and small uniform time steps (eg t=0.1s) take really long time.

Thanks in advance for your reply.


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