OpenLB – Open Source Lattice Boltzmann Code › Forums › on Lattice Boltzmann Methods › General Topics › Permeability Calculation Poiseuille › Reply To: Permeability Calculation Poiseuille April 17, 2019 at 3:01 pm #4245 fkParticipant Dear Ladasicr, the problem may be due to bugs in the GuoZhaoBGKDynamics. These problems are now fixed and will be released soon. Until then you could try the PorousBGKDynamics based on the porous media model of Spaid and Phelan. Best regards, Fabian