tutorials/discreteMethods/dsmcFoam/freeSpaceStream/constant/dsmcProperties

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   7 \*---------------------------------------------------------------------------*/
   8 FoamFile
   9 {
  10     version     2.0;
  11     format      ascii;
  12     class       dictionary;
  13     location    "constant";
  14     object      dsmcProperties;
  15 }
  16 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  17
  18 // General Properties
  19 // ~~~~~~~~~~~~~~~~~~
  20
  21 nEquivalentParticles            1e12;
  22
  23 // Wall Interaction Model
  24 // ~~~~~~~~~~~~~~~~~~~~~~
  25
  26 WallInteractionModel            MaxwellianThermal;
  27
  28 MaxwellianThermalCoeffs {}
  29
  30 // Binary Collision Model
  31 // ~~~~~~~~~~~~~~~~~~~~~~
  32
  33 BinaryCollisionModel            LarsenBorgnakkeVariableHardSphere;
  34
  35 LarsenBorgnakkeVariableHardSphereCoeffs
  36 {
  37     Tref                        273;
  38     relaxationCollisionNumber   5.0;
  39 }
  40
  41 // Inflow Boundary Model
  42 // ~~~~~~~~~~~~~~~~~~~~~
  43
  44 InflowBoundaryModel             FreeStream;
  45
  46 FreeStreamCoeffs
  47 {
  48     numberDensities
  49     {
  50         N2      0.777e20;
  51         O2      0.223e20;
  52     };
  53 }
  54
  55 // Molecular species
  56 // ~~~~~~~~~~~~~~~~~
  57
  58 typeIdList                      (N2 O2);
  59
  60 moleculeProperties
  61 {
  62     N2
  63     {
  64         mass                            46.5e-27;
  65         diameter                        4.17e-10;
  66         internalDegreesOfFreedom        2;
  67         viscosityCoefficient            1.656e-5;
  68         omega                           0.74;
  69     }
  70
  71     O2
  72     {
  73         mass                            53.12e-27;
  74         diameter                        4.07e-10;
  75         internalDegreesOfFreedom        2;
  76         viscosityCoefficient            1.919e-5;
  77         omega                           0.77;
  78     }
  79 }
  80
  81 // ************************************************************************* //