tutorials/incompressible/porousSimpleFoam/beaverJoseph/0/U

   1 /*--------------------------------*- C++ -*----------------------------------*\
   2 | =========                 |                                                 |
   3 | \\      /  F ield         | OpenFOAM Extend Project: Open Source CFD        |
   4 |  \\    /   O peration     | Version:  1.6-ext                               |
   5 |   \\  /    A nd           | Web:      www.extend-project.de                 |
   6 |    \\/     M anipulation  |                                                 |
   7 \*---------------------------------------------------------------------------*/
   8 FoamFile
   9 {
  10     version     2.0;
  11     format      ascii;
  12     class       volVectorField;
  13     object      U;
  14 }
  15 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  16
  17 dimensions      [0 1 -1 0 0 0 0];
  18
  19 // Re = 1 = rho=(rho U H)/mu; rho=1.144, mu=1.861e-5; H=0.01
  20 internalField   uniform (1.62589e-4 0 0);
  21
  22 boundaryField
  23 {
  24     inlet
  25     {
  26         // type            groovyBC;
  27         type fixedValue;
  28         variables "relax=0.7;UTarget=1.62589e-4;Uout@outlet=sum((pos().y) > 0.1 ? mag(U)*mag(Sf()) : 0.)/sum(pos().y > 0.1 ? mag(Sf()) : 0);Uold=mag(U);Uo=(Uout>1e-7 ? Uout : 1e-7);Unew=Uold*((1-relax)+relax*(UTarget/Uo));Unew2=(Unew > UTarget ? UTarget : Unew);";
  29         valueExpression "vector(1,0,0)*Unew2";
  30         value           $internalField;
  31     }
  32     outlet
  33     {
  34         type            inletOutlet;
  35         inletValue      uniform (0 0 0);
  36         value           uniform (0 0 0);
  37     }
  38     upperWall
  39     {
  40         type            fixedValue;
  41         value           uniform (0 0 0);
  42     }
  43     lowerWall
  44     {
  45         type            fixedValue;
  46         value           uniform (0 0 0);
  47     }
  48 }
  49
  50 // ************************************************************************* //