OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › SHEAR_SMAGORINSKY › Reply To: SHEAR_SMAGORINSKY November 20, 2023 at 10:53 am #7920 stephanModerator Dear Fuxin He, for using the shearSmagorinsky dynamics, please use the conforming descriptor as you suggested: “#ifdef USE_SHEAR_SMAGORINSKY”. using DESCRIPTOR = D3Q19<AV_SHEAR>;” Best regards, Stephan