On Thu, 5 May 2011, Vasilis Vavourakis wrote:
> 2011/5/5 Roy Stogner <[email protected]> > >> >> On Thu, 5 May 2011, robert wrote: >> >>> is there a possibility of mesh-deformation in libmesh? I would need it >>> to model tectonic emplacement of lithospheric plates. >> >> Yes - you should be able to deform the mesh manually and still get >> valid results, just by changing the Point coordinates on each node. >> Just make sure your changes are consistent across each processor so >> the software doesn't break, and make sure you don't over-distort the >> elements so the numerics don't break. > > sure this is the way it can be done ...but only when AMR is not applied! > > it tried myself to deform my mesh by updating the nodal coordinates (for my > elastoplastic analysis problems) along with mesh refinement ...but my > program aborted due to the inconsistency of the hanging nodes Oh, very good point! The hanging node coordinates have to be kept consistent with the neighboring nodes which constrain them, but currently we don't do that automatically or even provide any facilities that make it easier to do by hand. --- Roy ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
