Properties🔗

• Second order
• Unbounded
• Good choice for LES calculations due to low dissipation
• For isotropic meshes \(\phi_f = 0.5 \left( \phi_c + \phi_d \right)\)

Normalised Variable Diagram🔗

Usage🔗

The scheme is specified using:

divSchemes
{
    default         none;
    div(phi,U)      Gauss linear;
}

Further information🔗

Source code:

• $FOAM_SRC/finiteVolume/interpolation/surfaceInterpolation/schemes/linear

API:

• Foam::linear