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Appropriate time step size

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Old   March 26, 2020, 04:25
Default Appropriate time step size
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Ahmed
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Hello

How to choose the appropriate timestep size and max iterations / time step in fluent when doing a transient analysis?
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Old   March 26, 2020, 04:57
Default Time-step
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Time-steps depends upon at least two things - the objective of the simulation and the case setup, i.e., is it multiphase, or dynamic mesh, or combustion, etc.
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Old   March 27, 2020, 00:33
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usually user want to use the biggest time step with least amount of iterations to get the result with certain accuracy level. Accuracy level may depends on what vinerm has mentioned
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