boundaryEntityGenerator (1d, 2d, 3d)

Generates ghost cells for a particular entity so that an updater requiring ghost cells can be used on a subset of the full domain.


onEntity (string)
The entity which will be used to construct ghost layers around. This can be considered the interior region
boundaryName (string)
The name of the new entity that contains the boundary ghost cells of the interior region
layers (integer)
The number of ghost layers to define


<Updater generateVacuumBoundary>
  kind = boundaryEntityGenerator2d
  onGrid = domain
  layers = 2
  boundaryName = vacuumBoundary
  onEntity = vacuum