Kinematic Surface Velocity

Description

The kinematicSurfaceVelocity provides a free surface mesh velocity condition. This boundary condition will set the mesh velocity equal to the surface-normal component of the velocity field. The effects of surface tension and interactions with other surfaces are ignored.

Usage

Property	Description	Required	Default value
UName	Name of the velocity field	no	U
linearUpwindBlendingFactor	blending between linear and upwind for the face-to-point interpolation (1 corresponds to full linear and 0 corresponds to full upwind interpolation)	yes
laplaceSmoothing	apply lapalace smoothing?	no	no

For a more detailed description of the more general settings, see mesh velocity boundary conditions.

Example of the boundary condition specification:

<patchName>
{
    type            kinematicSurfaceVelocity;
    linearUpwindBlendingFactor  0;
    laplaceSmoothing    yes;
    value           uniform (0 0 0);
}