Properties🔗

Model equations🔗

The turbulence kinetic energy equation is given by:

\[\Ddt{\rho k} = \div \left( \rho D_k \grad k \right) + \rho G - \frac{2}{3} \rho k \div \u - \frac{C_e \rho k^{1.5}}{\Delta} + S_k\]

The \(C_e\) and \(C_k\) coefficients are derived from local flow properties.

Default model coefficients🔗

None

Initialisation🔗

Usage🔗

The model is specified using:

LES
{
    turbulence      on;
    LESModel        dynamicKEqn;
}

Boundary conditions🔗

Inlet

• fixedValue

Outlet

• Constrained outlet

Walls

• wall functions

Further information🔗

Source code:

• Foam::LESModels::dynamicKEqn

References:

• Kim and Menon [27]