Only call Physics for postprocessing if it's active on subdomain
Only call Physics for postprocessing if it's active on subdomain

cahaynes/grins,vikramvgarg/grins,vikramvgarg/grins,cahaynes/grins,nicholasmalaya/grins,nicholasmalaya/grins,nicholasmalaya/grins,vikramvgarg/grins,cahaynes/grins,cahaynes/grins,vikramvgarg/grins,vikramvgarg/grins,nicholasmalaya/grins,cahaynes/grins,vikramvgarg/grins,cahaynes/grins