Quadtree AMR — Letting the Mesh Grow Where It Needs To
·6 min read
Forty years of adaptive mesh data structures and refinement criteria, since Berger–Oliger
When Lax–Wendroff Shook at a Step — Building a 2nd-Order TVD Advection Scheme with Flux Limiters
·5 min read
Sidestep Godunov's theorem to build a monotone 2nd-order advection scheme
Choosing a CFD Linear Solver: Comparing Convergence Speeds from Jacobi to BiCGSTAB
·5 min read
Comparing the characteristics and convergence speeds of the four major Krylov subspace solvers with code and simulation.
Solving Wall Distance in O(N log N): Eikonal Equation and Fast Marching
·6 min read
An efficient algorithm for calculating wall distance, an essential input for RANS turbulence models.