New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Heidelberg/Germany in March 2024 OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Extract Velocity Components › Reply To: Extract Velocity Components July 29, 2022 at 10:26 am #6742 FBukreevKeymaster Hello Abhejeet, you can try to use the Extract functor directly on the SuperLatticePhysVelocity functor, without buildung a SuperF from it. Greetings, Fedor