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Timestep size and Convergence

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Old   November 1, 2017, 06:20
Lightbulb Timestep size and Convergence
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Thamilmani M
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Does time-step size affect the convergence? Like, if a del t is beyond some limit, will it diverge?
If so, How to calculate the optimum time-step size for an unsteady flow problem?
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