2 papers
math.NA2022
Simple quadrature rules for a nonparametric nonconforming quadrilateral element
Kanghun Cho, Dongwoo Sheen
We introduce simple quadrature rules for the family of nonparametric nonconforming quadrilateral element with four degrees of freedom. Our quadrature rules are motivated by the wor…
math.NA2022
Algebraic Multiscale Method for one--dimensional elliptic problems
Kanghun Cho, Roktaek Lim, Dongwoo Sheen
In this paper we propose an idea of constructing a macro--scale matrix system given a micro--scale matrix linear system. Then the macro--scale system is solved at cheaper computing…