GirnarJoshi squashed cherrypicked swappepd and pushed#11

GirnarJoshi wants to merge 2 commits into

Chem281Materials:developChem281Materials/removed_lammps_git:developfrom

GirnarJoshi:rigid-shearGirnarJoshi/2-2_281_lammps_git_fork_girnar:rigid-shearCopy head branch name to clipboard