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Buoyancy Datum Location

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Old   April 6, 2005, 04:06
Default Buoyancy Datum Location
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I am running a transient analysis with free surface option turned on. My confusion is in setting the datum/reference point for buoyancy calculation. How do I decide which point in space should I use? Currently, I am using one of the vertex of a cell, used in pressure reference. Is this an 'ok' approach? or is there a better way to define the datum point? Many thanks for your help!

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