On 4/14/14, 2:21 PM, Barak Raveh wrote: > As it is now, the derivatives of the centroid are copied to the finer > particles as is, using the DerivativesToRefinedas class. Shouldn't the > derivatives be rescaled first according to the mass contribution of each > fine particle to the centroid?
Your analysis sounds reasonable to me. See also commit f8ea98f7f2 and the associated issue #775 - may be related.
Ben