Properties🔗

The cell gradient is calculated using Gauss’ theorem:

\[\int_V \left( \div \u \right) dV = \oint_S \left( \vec{n} \dprod \u \right) dS\]

Usage🔗

The scheme is specified using:

gradSchemes
{
    default         none;
    grad(U)         Gauss <interpolation scheme>;
}

Further information🔗

Source code

• Foam::fv::gaussGrad