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Gauss gradient scheme

Properties​

The cell gradient is calculated using Gauss' theorem:

∫V(∇ ∙ u)dV=∮S(n ∙ u)dS \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