changed mpi communicator back to mpi_comm_world so that there is no communication with a partent process (if it exists), but the code will still disconnect from the parent when completed if there is a parent
changed mpi communicator back to mpi_comm_world so that there is no communication with a partent process (if it exists), but the code will still disconnect from the parent when completed if there is a parent

paul-voyles/femsim-hrmc,paul-voyles/femsim-hrmc