Generalized Laplacian Smoothing of Unstructured Grids

Communications in Numerical Methods in Engineering, Wiley, Vol 11, pp.455-464, 1995

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Department of Mathematics. Chalmers University of Technology. S-412 96 Goteborg, Sweden Abstract
In this note we point out the natural choice of smoothing by use of a metric tensor to maintain control of the local element stretch. The extension to grids on surfaces in 3D is straightforward. Numerical examples are given.