OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Output of channel3D in examples of openlb › Reply To: Output of channel3D in examples of openlb March 31, 2021 at 8:26 am #5581 mathiasKeymaster Hi Xu Yang, there should be a functor for it. See dogygen ducumentation on the website. Best Mathias