Is it possible to write a udf which will change the time step automatically for a given condition?

ritwikritwik Member Posts: 3

I want to write an UDF for a given condition, which will automatically change the time step for a running case file

Best Answer

  • DrAmineDrAmine GermanyPosts: 7,890Forum Coordinator
    Accepted Answer

    Best to rely on CFL type of Adaptive time stepping or truncation error rather than relying on residuals. The latter requires some undocumented macros to get them ready for use in UDF.


    Cheers!

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