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Drop Simplify() fucntion in polyhedra-wall and polyhedra-polyhedra interactions. Additionally merge 'utils.PWaveTimeStep()' and 'polyhedra_utils.PWaveTimeStep()' functions into one.
Drop Simplify() fucntion in polyhedra-wall and polyhedra-polyhedra interactions. Additionally merge 'utils.PWaveTimeStep()' and 'polyhedra_utils.PWaveTimeStep()' functions into one.