14 lines
296 B
C++
14 lines
296 B
C++
// Time-derivative matrix
|
|
fvVectorMatrix ddtUEqn(fvm::ddt(U));
|
|
|
|
// Convection-diffusion matrix
|
|
fvVectorMatrix HUEqn
|
|
(
|
|
fvm::div(phi, U)
|
|
- fvm::laplacian(nu, U)
|
|
);
|
|
|
|
if (piso.momentumPredictor())
|
|
{
|
|
solve(ddtUEqn + HUEqn == -fvc::grad(p));
|
|
}
|