Reply To: Bounce Back Boundary conditions and lattice nodes locations
OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Bounce Back Boundary conditions and lattice nodes locations › Reply To: Bounce Back Boundary conditions and lattice nodes locations
Julius,
The fact that in AdvectionDiffusionBoundariesDynamics
for D3Q7 we set the missing populations by T difference = dirichletTemperature - (T) 1 - sum;
makes me think we are at a wet node. Also, for D3Q19 a bounce back of the non-equilibrium populations is done, like the Zou-He wet node BC approach.
While it is true that the supergeometry is created before the boundary conditions and the nodes locations are not influenced by this step, if there is a deltax/2 of difference between lattice node locations the coupling between the lattices could be affected.
I may be missing some details of the code..
Thank you,
Ramiro
- This reply was modified 3 years, 5 months ago by ramirofreile.