Attempt No2, lets see how many I will need until someone hears me... On 10/12/2014 03:38 PM, Aleksejs Fomins wrote: > Dear GMSH, > > Our FEM code has benefited from GMSH meshing capabilities for several > years now, and this year we started using its curvilinear capabilities, > which brings our code to a totally new level of performance. > > However, we dream of yet another piece of functionality, which could > save us a lot of memory and processor time, and that is the non-uniform > p-refinement. > > At the moment, when selecting curvilinear interpolation order, GMSH uses > that interpolation order for all elements. Furthermore, it frequently > makes the boundary between elements of the same geometric entity curved, > with the strategy that I am not able to immediately comprehend. > > Could someone from the developers please comment if the following > functionality could become available in foreseeable future: > > 1) Make all boundaries between elements of the same geometrical entity > straight-sided, thus only preserving curvature on the boundaries between > geometrical entities, and rendering all other elements as linear elements. > > 2) Further, give user some control on how the internal geometry of a > single geometrical entity is interpolated, in terms of some strategy > parameters specified by the user. I was made aware there is research > showing that, depending on the structure of PDE of interest, a certain > internal curvature can improve convergence of the problem. > > Regards, > Aleksejs Fomins > > > > _______________________________________________ > gmsh mailing list > [email protected] > http://www.geuz.org/mailman/listinfo/gmsh >
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