H.B., On Wednesday, January 25, 2017 at 3:02:01 PM UTC-5, [email protected] wrote: > > > The image of the mapping applied to cell with center [0.295666 0.850622] > is distorted. The cell geometry or the mapping are invalid, giving a > non-positive volume fraction of -0.000119973 in quadrature point 0. > > > The attached figures show the deformed and initial mesh. How to solve > this problem (without adaptive mesh refinement)? Can I use the update > Lagrangian formulation in Deal.II without moving the mesh? Do you think > that the total Lagrangian formulation is a solution? > This is common problem with the Lagrangian formulation. What some people do is to periodically remesh the domain. So your restart with a good mesh. Of course this means that you need to project all the quantities from the old mesh to the new one.
Best, Bruno -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
