FreeFOAM The Cross-Platform CFD Toolkit
sequential.C
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25 
26 #include "sequential.H"
28 
29 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
30 
31 template<class CompType, class ThermoType>
33 (
35  const word& modelName
36 )
37 :
38  chemistrySolver<CompType, ThermoType>(model, modelName),
39  coeffsDict_(model.subDict(modelName + "Coeffs")),
40  cTauChem_(readScalar(coeffsDict_.lookup("cTauChem"))),
41  equil_(coeffsDict_.lookup("equilibriumRateLimiter"))
42 {}
43 
44 
45 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
46 
47 template<class CompType, class ThermoType>
49 {}
50 
51 
52 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
53 
54 template<class CompType, class ThermoType>
56 (
57  scalarField &c,
58  const scalar T,
59  const scalar p,
60  const scalar t0,
61  const scalar dt
62 ) const
63 {
64  scalar tChemInv = SMALL;
65 
66  scalar pf, cf, pb, cb;
67  label lRef, rRef;
68 
69  for (label i=0; i<this->model_.reactions().size(); i++)
70  {
71  const Reaction<ThermoType>& R = this->model_.reactions()[i];
72 
73  scalar om0 = this->model_.omega
74  (
75  R, c, T, p, pf, cf, lRef, pb, cb, rRef
76  );
77 
78  scalar omeg = 0.0;
79  if (!equil_)
80  {
81  omeg = om0;
82  }
83  else
84  {
85  if (om0<0.0)
86  {
87  omeg = om0/(1.0 + pb*dt);
88  }
89  else
90  {
91  omeg = om0/(1.0 + pf*dt);
92  }
93  }
94  tChemInv = max(tChemInv, mag(omeg));
95 
96 
97  // update species
98  for (label s=0; s<R.lhs().size(); s++)
99  {
100  label si = R.lhs()[s].index;
101  scalar sl = R.lhs()[s].stoichCoeff;
102  c[si] -= dt*sl*omeg;
103  c[si] = max(0.0, c[si]);
104  }
105 
106  for (label s=0; s<R.rhs().size(); s++)
107  {
108  label si = R.rhs()[s].index;
109  scalar sr = R.rhs()[s].stoichCoeff;
110  c[si] += dt*sr*omeg;
111  c[si] = max(0.0, c[si]);
112  }
113 
114  } // end for (label i...
115 
116  return cTauChem_/tChemInv;
117 }
118 
119 
120 // ************************ vim: set sw=4 sts=4 et: ************************ //