tutorials/discreteMethods/dsmcFoam/freeSpaceStream/constant/dsmcProperties

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   8 FoamFile
   9 {
  10     version     2.0;
  11     format      ascii;
  12     class       dictionary;
  13     location    "constant";
  14     object      dsmcProperties;
  15 }
  16 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  17
  18
  19 // General Properties
  20 // ~~~~~~~~~~~~~~~~~~
  21
  22 nEquivalentParticles            1e12;
  23
  24
  25 // Wall Interaction Model
  26 // ~~~~~~~~~~~~~~~~~~~~~~
  27
  28 WallInteractionModel            MaxwellianThermal;
  29
  30 MaxwellianThermalCoeffs {}
  31
  32
  33 // Binary Collision Model
  34 // ~~~~~~~~~~~~~~~~~~~~~~
  35
  36 BinaryCollisionModel            LarsenBorgnakkeVariableHardSphere;
  37
  38 LarsenBorgnakkeVariableHardSphereCoeffs
  39 {
  40     Tref                        273;
  41     relaxationCollisionNumber   5.0;
  42 }
  43
  44
  45 // Inflow Boundary Model
  46 // ~~~~~~~~~~~~~~~~~~~~~
  47
  48 InflowBoundaryModel             FreeStream;
  49
  50 FreeStreamCoeffs
  51 {
  52     numberDensities
  53     {
  54         N2      0.777e20;
  55         O2      0.223e20;
  56     };
  57 }
  58
  59
  60 // Molecular species
  61 // ~~~~~~~~~~~~~~~~~
  62
  63 typeIdList                      (N2 O2);
  64
  65 moleculeProperties
  66 {
  67     N2
  68     {
  69         mass                            46.5e-27;
  70         diameter                        4.17e-10;
  71         internalDegreesOfFreedom        2;
  72         viscosityCoefficient            1.656e-5;
  73         omega                           0.74;
  74     }
  75
  76     O2
  77     {
  78         mass                            53.12e-27;
  79         diameter                        4.07e-10;
  80         internalDegreesOfFreedom        2;
  81         viscosityCoefficient            1.919e-5;
  82         omega                           0.77;
  83     }
  84 }
  85
  86
  87 // ************************************************************************* //