Graphical Abstract

Steppeler, J., J. Li, F. Fang, and J. Zhu, 2021: The o2o3 Local Galerkin method using a differentiable flux representation. J. Meteor. Soc. Japan, 99,
Early Online ReleaseGraphical Abstract NEW GA


Plain Language Summary: Local Galerkin methods, in particular the spectral elements (SE) solve the difficulty in classic Galekin methods for applying to multiprocessor system and have been found to be scalable up to millions of processors. The present study investigates improvements of SE under the name o2o3 which substitutes the irregular Gauss-Lobatto grid in SE by a regular collocation grid to compute Galerkin integrals with the potential to improve the computational efficiency and simplify the physical parameterization.