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Buoyancy free surface FloEFD

Question asked by dccosserat on Jan 27, 2020
Latest reply on Feb 3, 2020 by matthias_kuntz

I'm attempting to model the forces on an object due to water falling onto its surface (using a transient and free surface analysis).  The object is in a container which fills up with water and FloEFD seems to treat the object as being 'air filled' (even though I have defined the object as having the same density as the water) the vertical force therefore becomes dominated by buoyancy as the container fills up - which is not what I want to model as the object is heavier than water.  It seems to me that FloEFD treats any part/object in the water flow as being 'air filled' - is there anyway to alter this?