[Libmesh-users] Adaptive mesh refinement in dynamic problems

Hello all Is libmesh able to handle adaptive mesh refinement/coarsening in dynamic problems over multiple processors? I can imagine there must be a significative overhead because of the load unbalances if we adaptively refine the mesh every other time step. Taking things further, could we save th

Re: [Libmesh-users] Physical eigenvalues of the stokes equations

> On Sep 3, 2015, at 5:12 AM, David Knezevic wrote: > >> On Thu, Sep 3, 2015 at 4:18 AM, Julian Andrej wrote: >> >> I tried Davids tip with the CondensedEigenSystem. For the scalar >> valued problem of a laplace operator it works very good, but i still >> have no correct solution for the Stok

Re: [Libmesh-users] Physical eigenvalues of the stokes equations

On Thu, Sep 3, 2015 at 4:18 AM, Julian Andrej wrote: > I tried Davids tip with the CondensedEigenSystem. For the scalar > valued problem of a laplace operator it works very good, but i still > have no correct solution for the Stokes equations. > > It seems i'm assembling the Mass matrix in a wron

Re: [Libmesh-users] Physical eigenvalues of the stokes equations

I tried Davids tip with the CondensedEigenSystem. For the scalar valued problem of a laplace operator it works very good, but i still have no correct solution for the Stokes equations. It seems i'm assembling the Mass matrix in a wrong way. Using the notation of the example, is it correct, that th