File: UEqn.H

package info (click to toggle)
openfoam 4.1%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 163,028 kB
  • ctags: 58,990
  • sloc: cpp: 830,760; sh: 10,227; ansic: 8,215; xml: 745; lex: 437; awk: 194; sed: 91; makefile: 77; python: 18
file content (35 lines) | stat: -rw-r--r-- 669 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
    // Solve the Momentum equation

    MRF.correctBoundaryVelocity(U);

    fvVectorMatrix UEqn
    (
        fvm::ddt(rho, U) + fvm::div(rhoPhi, U)
      + MRF.DDt(rho, U)
      + fvc::div(UdmModel.tauDm())
      + turbulence->divDevRhoReff(U)
     ==
        fvOptions(rho, U)
    );

    UEqn.relax();

    fvOptions.constrain(UEqn);

    if (pimple.momentumPredictor())
    {
        solve
        (
            UEqn
          ==
            fvc::reconstruct
            (
                (
                  - ghf*fvc::snGrad(rho)
                  - fvc::snGrad(p_rgh)
                )*mesh.magSf()
            )
        );

        fvOptions.correct(U);
    }