φ-FD : A well-conditioned finite difference method inspired by φ-FEM for general geometries on elliptic PDEs

Michel Duprez, Vanessa Lleras, Alexei Lozinski +2

This paper presents a new finite difference method, called φ-FD, inspired by the ϕ-FEM approach for solving elliptic partial differential equations (PDEs) on general geometries. Th…