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Time step high or low for coarse grid, courant number high or low??

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Old   November 19, 2015, 09:47
Question Time step high or low for coarse grid, courant number high or low??
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sameer pandey
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Hey guys,
i have a problem, my mesh is a little coarse and i wanted to do simulation a bit accurate without having to do fine meshing, what changes should i do in time step size or courant number?? help
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Old   December 28, 2015, 11:41
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Erdem Kaya
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Courant number is a dimensionless number that is directly proportion to time step. So you can decrease the time step.
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Old   December 30, 2015, 01:41
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thanx mate
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