OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › Bug Reports › Parallel mode stopped working › Re: Parallel mode stopped working October 30, 2016 at 5:26 pm #2474 mathiasKeymaster Dear Klaus, please follow the instructions in our user guide, check if the options in Makefile.inc are set correctly. Further, you may consider to come to our spring school in March 2017 which would give you a good start into OpenLB. Best Mathias