When Gradients Go Wrong on Skewed Meshes — Green–Gauss vs. Weighted Least-Squares Reconstruction
·5 min read
Two ways to build cell gradients on unstructured meshes, and which one survives distortion
Skewed Cells Bend Gradients — Green–Gauss vs Least-Squares Reconstruction
·5 min read
Two ways to compute ∇p on unstructured meshes, and how their accuracy diverges