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Old   January 7, 2013, 12:50
Default Time step
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Hi,

Is it reasonable to change the time step size to 5s or even bigger? At first i used time step size=0.01 but the time step seems to be too small, there nothing changing most of the time.
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Old   January 8, 2013, 01:01
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It's better to use adaptive form of timestep. Timestep size depends on your problem time gradiant. You can use a very big timestep if have a small time gradiant. and should use 1e-6 if have very high time gradiants.
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