Overarching Concepts and Motivation

Introduction

NESO (Neptune Exploratory SOftware) is an experimental codebase for combining high order finite elements, from Nektar++, with the performance portable particle framework NESO-Particles to solve plasma physics problems for tokamak exhausts at the exascale. Other satellite repositories include: - NESO-Spack for installation. - NESO-Reactions for neutral, atomic and molecular dependencies. - NESO-UQ for uncertainty quantification dependencies.

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