OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › MRTD2Q9Descriptor › Re: MRTD2Q9Descriptor May 15, 2017 at 4:01 pm #2625 mathiasKeymaster Why does it diverge? Is the problem at the boundary or in the bulk? Try to increase the smagoConst and see what is the results. Best Mathias