OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Drag Coefficient (Cylinder 2D) › Re: Drag Coefficient (Cylinder 2D) July 5, 2016 at 3:06 pm #2401 pedropauloengaeroMember I assumed that the 5.63043 (drag given by the code) was the Fx in the equation. This clearly did not gave me a good (reasonable) result when I also assumed the diameter of the cylinder in number of links/nodes and u = 0.02. rn