Internal fe approximation of spaces of divergence‐free functions in three‐dimensional domains
Michal Křı́žek, Pekka Neittaanmäuki · International Journal for Numerical Methods in Fluids · 1986
Abstract The space of divergence‐free vector functions with vanishing normal flux on the boundary is approximated by subspaces of finite elements having the same property. An easy way of generating basis functions in these subspaces is shown.