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what is the Typical cell size?

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Old   February 24, 2009, 22:12
Default what is the Typical cell size?
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am trying to run unsteady case, and in order to do that I need to estimate (delta t)

delta t= Typical cell size/characteristic flow velocity

(this eqution from

can any body help in this

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Old   February 25, 2009, 15:05
Default Re: what is the Typical cell size?
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In 3d you could use cube root of volume/#_of_cells. Just an estimate.

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Old   February 25, 2009, 16:14
Default Re: what is the Typical cell size?
Ralf Schmidt
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i would use the finest grid cell for calculation. So you can be sure that flow is resolved everywhere

Best whises Ralf
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