Analytical.C
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25 
26 #include "Analytical.H"
27 
28 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
29 
30 template<class Type>
32 (
33  const word& phiName,
34  const dictionary& dict
35 )
36 :
38 {}
39 
40 
41 template<class Type>
43 :
44  IntegrationScheme<Type>(is)
45 {}
46 
47 
48 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
49 
50 template<class Type>
52 {}
53 
54 
55 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
56 
57 template<class Type>
60 (
61  const Type& phi,
62  const scalar dt,
63  const Type& alphaBeta,
64  const scalar beta
65 ) const
66 {
68 
69  const scalar expTerm = exp(min(50, -beta*dt));
70 
71  if (beta > ROOTVSMALL)
72  {
73  const Type alpha = alphaBeta/beta;
74  retValue.average() = alpha + (phi - alpha)*(1 - expTerm)/(beta*dt);
75  retValue.value() = alpha + (phi - alpha)*expTerm;
76  }
77  else
78  {
79  retValue.average() = phi;
80  retValue.value() = phi;
81  }
82 
83 
84  return retValue;
85 }
86 
87 
88 // ************************************************************************* //
Top level model for Integration schemes.
virtual IntegrationScheme< Type >::integrationResult integrate(const Type &phi, const scalar dt, const Type &alphaBeta, const scalar beta) const
Perform the integration.
Definition: Analytical.C:60
virtual ~Analytical()
Destructor.
Definition: Analytical.C:51
dimensionedScalar beta("beta", dimless/dimTemperature, laminarTransport)
Helper class to supply results of integration.
A class for handling words, derived from string.
Definition: word.H:59
dimensionedScalar exp(const dimensionedScalar &ds)
Analytical(const word &phiName, const dictionary &dict)
Construct from components.
Definition: Analytical.C:32
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:137
dictionary dict
const dimensionedScalar alpha
Fine-structure constant: default SI units: [].
Analytical integration.
Definition: Analytical.H:46
surfaceScalarField & phi
Type average() const
Return const access to the average.
Type value() const
Return const access to the value.
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)