Wrapping a Rectangular Grid Around a Wing — Curvilinear Coordinate Transforms and Grid Metrics
·5 min read
Mapping physical to logical space, the Jacobian, and freestream preservation in numpy
The Star That Started Moving — Well-Balanced FVM and Angular Momentum in Polar Coordinates
·5 min read
Mis-discretize 2P/r and a quiet star will leak gas out of its center.