GfsSource

From Gerris

GfsSource is used to associate a source term to a variable.

The syntax in parameter files is:

 [ GfsSourceScalar ] [ GfsFunction ]

The dimensions of the GfsFunction are the dimensions of the variable per unit time.

Examples

• Rayleigh-Taylor instability

  Source {} V -9.81

• Boussinesq flow generated by a heated cylinder

  Source V T

• Air-water flow around a Series 60 cargo ship

    Source U (x > -0.375 ? 0 : 10.*(FROUDE - U))

• Poiseuille flow

    Source U 1

• Hydrostatic balance with solid boundaries and viscosity

    Source V -1

• Hydrostatic balance with quadratic pressure profile

    Source V -rho