Time: Tuesday 21.02, 12.15–13.00

Room: J203, Kronstad

Speaker: Sergey Korotov, HVL

Title: Angle Conditions in Finite Element Analysis


Angle conditions play an important role in the analysis of the finite element method (FEM). They enable us e.g. to derive the optimal interpolation order and prove convergence of FEM, to derive
various a posteriori error estimates, to perform regular mesh refinements, etc.

In 1968, Milos Zlamal introduced the minimum angle condition for triangular elements. From that time onward many other useful geometric angle conditions on the shape of finite elements appeared.
In this talk, we shall present and discuss some of these conditions used for simplicial partitions (meshes).