When the Mesh Skews, the Laplacian Leaks — Non-Orthogonal Diffusion Correction
·5 min read
Splitting the unstructured diffusion term into orthogonal plus correction, three ways
Saving Gradients on Unstructured Grids — Moving Least-Squares Approximation
·5 min read
A local polynomial fit that recovers both values and derivatives from scattered points
Delaunay Triangulation — the Empty-Circumcircle Rule and Bowyer–Watson Insertion
·6 min read
Why an unstructured mesh repairs itself when you drop in one point