New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Modifying field values for neighboring cells inside a postprocessor › Reply To: Modifying field values for neighboring cells inside a postprocessor August 22, 2024 at 9:12 pm #9144 Danial.KhazaeipoulParticipant Thank you for your assistance. FYI, the cell interface for cuda does also miss a getCellId() method which I added per your suggestion: CellID getCellId() const __device__ { return this->_iCell; }