OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › ComputeStress Function – Error ? › Re: ComputeStress Function – Error ? June 6, 2016 at 5:50 am #2349 mathiasKeymaster Hi Alejandro,rnrnwhy? It is the pressure that is taken. We checked with an analytical solution of NS equation. I am quite sure that this is correct.rnrnBestrnMathias