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Domain size approximation

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Old   April 16, 2015, 16:21
Default Domain size approximation
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Adam
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I'm running into the issue with the size of domain. I have exceed the number of allowable cells and need to reduce the size of the domain. My question becomes does anyone have any guidelines for the down stream length behind my model so as to not see and echo or feedback from the outflow boundary?

I'm modeling the boat ( 30 ft) moving at 60 ft/s.


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