OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Thermal flow with higher temperature differences without gravity › Reply To: Thermal flow with higher temperature differences without gravity January 11, 2023 at 3:54 pm #7122 mathiasKeymaster I agree with your statement that Boussinesq approximation is not valid for your case. Other compressible modells we do not have implemented in OpenLB — so that would have do be done first.