A stable and mass-conserving sparse grid combination technique with biorthogonal hierarchical basis functions for kinetic simulations

Theresa Pollinger, Johannes Rentrop, Dirk Pflüger, Katharina Kormann

Abstract: Highlights•Combination technique for kinetic simulations of plasmas at fine scale.•Biorthogonal and full-weighting functions introduced to combination technique.•Mass-conserving sparse grid combination technique increases accuracy and stability.