Is it possible to set an asymptotic convergence criteria in ANSYS Fluent?

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Philippe Béard

Yes, it is possible to set such criteria.

You can do it following different ways:

- Define your parameter using Solution/Monitors/Report File/New in the main tree. Then activate the corresponding convergence condition in Solving/Reports/Convergence. See Users' Guide for more details.

- Define your parameter every iteration (time step) in a DEFINE_EXECUTE_AT_END UDF (User Defined Function), test its value and stop the simulation if convergence is satisfied. See Fluent Customization Manual for more details.

Regards

Priyadharsini Sivaraj

It is possible by defining a function in such a way that step size is very small.