2 papers
math.NA2020
A convection-diffusion problem with a small variable diffusion coefficient
Hans-Goerg Roos, Martin Schopf
Consider a singularly perturbed convection-diffusion problem with small, variable diffusion. Based on certain a priori estimates for the solution we prove robustness of a finite el…
math.NA2013
Macro-element interpolation on tensor product meshes
Martin Schopf
A general theory for obtaining anisotropic interpolation error estimates for macro-element interpolation is developed revealing general construction principles. We apply this theor…