pyLBM.Scheme.set_boundary_conditions¶

Scheme.set_boundary_conditions(f, m, bc, interface)¶

Apply the boundary conditions

Parameters:

Parameters:	f : numpy array the array of the distribution functions m : numpy array the array of the moments bc : `pyLBM.boundary.Boundary` the class that contains all the informations needed for the boundary conditions
Returns:	Modify the array of the distribution functions f in the phantom border area according to the labels. In the direction parallel to the bounday, N denotes the number of inner points, phantom cells are added to take into account the boundary conditions.

f : numpy array

the array of the distribution functions

m : numpy array

the array of the moments

the class that contains all the informations needed for the boundary conditions

Returns:

Modify the array of the distribution functions f in the phantom border area

according to the labels. In the direction parallel to the bounday, N denotes

the number of inner points, phantom cells are added to take into account

the boundary conditions.

Notes

If n is the number of outer cells on each bound and N the number of inner cells, the following representation could be usefull (Na = N+2*n)

n outer cells N inner cells n outer cells

0 ... N-1

0 ... n-1 n ... N+n-1 N+n ... Na-1