povolny1

Implementation of an MPM solver and Particle Manager

2

New implementations: 1. A rudimentary particle manager and associated data structures , all based on the code for cell/element data structures. 2. A new mesh generator - `ParticleMeshGenerator` - which...

**Describe the issue** With the merge of [#1756](https://github.com/GEOSX/GEOSX/pull/1756/) into develop, a `ParticleManager` will be registered on any `MeshLevel`. Conceptually, a given `MeshLevel` corresponds to a given discretization (they will be...

Feature/povolny1/polar decomposition

1

This PR implements the polar decomposition for real square 2x2 and 3x3 matrices using Higham's iterative algorithm. This is needed for some constitutive models and particularly a new hypoelastic update...