OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › The geometry in STL is not well recongnized in OpenLB › Reply To: The geometry in STL is not well recongnized in OpenLB November 29, 2024 at 5:30 pm #9577 mathiasKeymaster According to https://www.openlb.net/forum/topic/material-assignment-indicator-is-changed-along-voxel-resolution/ I assume it is solve now — so it was not watertight!