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larger time step brings convergence instead of smaller time step

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Old   September 16, 2011, 12:46
Default larger time step brings convergence instead of smaller time step
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raymond
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I am having my model to convergence with larger time step as 10s instead of 1s. I do not understand why is it so since in common sense smaller time step is much accurate and much accurate. Please help. Why is it so?
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