rbmatlab: discfunc/fem/fem_ndofs.m Source File

rbmatlab 0.10.01
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00001 function res = fem_ndofs(params,grid)
00002 %function res = fem_ndofs_per_element(params,grid)
00003 %
00004 % function computing number of dofs based on 
00005 % params.dimrange, params.grid and params.pdeg.
00006 %
00007 % Parameters:
00008 %   grid:   object of type triagrid
00009 
00010 % Bernard Haasdonk 2.9.2009
00011 
00012 
00013 % num dofs on nodes:
00014 ndof_nodes = grid.nvertices;
00015 
00016 % num dofs on edges:
00017 ndof_edges = (grid.nedges_interior + grid.nedges_boundary) * (params.pdeg-1);
00018 
00019 % num dofs in interior:
00020 ndof_elements = grid.nelements * (params.pdeg-1)* (params.pdeg-2)*0.5;
00021 
00022 res = grid.nelements*params.dimrange*(params.pdeg+1)*(params.pdeg+2)/2;
00023 
00024 res = (ndof_nodes + ndof_edges + ndof_elements) * params.dimrange;