Actually, libMesh does compile in the "nanoflann" utility for quickly finding approximate nearest neighbors... so maybe we're not THAT far off...
Derek On Sun, Feb 28, 2016 at 11:06 AM Roy Stogner <royst...@ices.utexas.edu> wrote: > > On Fri, 26 Feb 2016, Wen Jiang wrote: > > > Could anyone tell me if libmesh supports meshfree method? > > Not that I've heard. > > > If it is not currently implemented, how hard it would be to > > implement it into libmesh? > > Using libMesh to track a cloud of points with degrees of freedom but > without connectivity wouldn't be too hard; you'd just create a > NodeElem for each point. Alternatively, you could keep some control > of topology by connecting nearby Nodes with Edge2 elements, and this > would let libMesh auto-construct the correct matrix sparsity pattern > too. > > Building the correct stencils and finding node neighbors to construct > those edges would be all up to you; I don't think any libMesh > utilities will be much help. Even our PointLocator classes are mostly > designed to find points in meshes, not in free space. > --- > Roy > > > ------------------------------------------------------------------------------ > Site24x7 APM Insight: Get Deep Visibility into Application Performance > APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month > Monitor end-to-end web transactions and take corrective actions now > Troubleshoot faster and improve end-user experience. Signup Now! > http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 > _______________________________________________ > Libmesh-users mailing list > Libmesh-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libmesh-users > ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
