OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Interfacial nodes in shan/chen or free energy model › Reply To: Interfacial nodes in shan/chen or free energy model October 1, 2020 at 7:22 am #5194 mathiasKeymaster That is right. For one cell you have one value. So identify a critical cell and when look for the values of neighbours and do an interpolation whould work. Best Mathias