of.boundary.edge.viscous

of.boundary.edge.viscous *edge_tag* <string> normal shear

Apply a viscous/absorbing boundary to an edge group. The command automatically enables the dynamic module.

Parameters:

edge_tag: (default none) tag of the edge group.

normal: select the local normal direction for absorbing action.

shear: select the local shear direction for absorbing action.

Example:

of.boundary.edge.viscous 'bottom' normal shear