variableHeightFlowRateInletVelocityFvPatchVectorField.C
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25 
28 #include "volFields.H"
29 
30 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
31 
34 (
35  const fvPatch& p,
37 )
38 :
40  flowRate_(),
41  alphaName_("none")
42 {}
43 
44 
47 (
48  const fvPatch& p,
50  const dictionary& dict
51 )
52 :
54  flowRate_(Function1<scalar>::New("flowRate", dict)),
55  alphaName_(dict.lookup("alpha"))
56 {}
57 
58 
61 (
63  const fvPatch& p,
65  const fvPatchFieldMapper& mapper
66 )
67 :
68  fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
69  flowRate_(ptf.flowRate_, false),
70  alphaName_(ptf.alphaName_)
71 {}
72 
73 
76 (
78 )
79 :
81  flowRate_(ptf.flowRate_, false),
82  alphaName_(ptf.alphaName_)
83 {}
84 
85 
88 (
91 )
92 :
94  flowRate_(ptf.flowRate_, false),
95  alphaName_(ptf.alphaName_)
96 {}
97 
98 
99 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
100 
103 {
104  if (updated())
105  {
106  return;
107  }
108 
109  scalarField alphap =
110  patch().lookupPatchField<volScalarField, scalar>(alphaName_);
111 
112  alphap = max(alphap, scalar(0));
113  alphap = min(alphap, scalar(1));
114 
115  const scalar t = db().time().timeOutputValue();
116  scalar flowRate = flowRate_->value(t);
117 
118  // a simpler way of doing this would be nice
119  scalar avgU = -flowRate/gSum(patch().magSf()*alphap);
120 
121  vectorField n(patch().nf());
122 
123  operator==(n*avgU*alphap);
124 
126 }
127 
128 
130 (
131  Ostream& os
132 ) const
133 {
135  writeEntry(os, flowRate_());
136  writeEntry(os, "alpha", alphaName_);
137  writeEntry(os, "value", *this);
138 }
139 
140 
141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
142 
143 namespace Foam
144 {
146  (
149  );
150 }
151 
152 
153 // ************************************************************************* //
Top level data entry class for use in dictionaries. Provides a mechanism to specify a variable as a c...
Definition: Function1.H:52
This boundary condition supplies a fixed value constraint, and is the base class for a number of othe...
dictionary dict
virtual void updateCoeffs()
Update the coefficients associated with the patch field.
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:158
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
A finiteVolume patch using a polyPatch and a fvBoundaryMesh.
Definition: fvPatch.H:61
Abstract base class with a fat-interface to all derived classes covering all possible ways in which t...
Definition: fvPatchField.H:66
Macros for easy insertion into run-time selection tables.
This boundary condition provides a velocity boundary condition for multiphase flow based on a user-sp...
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:57
Type gSum(const FieldField< Field, Type > &f)
tmp< fvMatrix< Type > > operator==(const fvMatrix< Type > &, const fvMatrix< Type > &)
Foam::fvPatchFieldMapper.
variableHeightFlowRateInletVelocityFvPatchVectorField(const fvPatch &, const DimensionedField< vector, volMesh > &)
Construct from patch and internal field.
void write(std::ostream &os, const bool binary, List< floatScalar > &fField)
Write floats ascii or binary.
An Ostream is an abstract base class for all output systems (streams, files, token lists...
Definition: Ostream.H:54
void writeEntry(Ostream &os, const HashTable< T, Key, Hash > &ht)
Definition: HashTableIO.C:96
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)
Field with dimensions and associated with geometry type GeoMesh which is used to size the field and a...
label n
volScalarField & p
makePatchTypeField(fvPatchScalarField, atmBoundaryLayerInletEpsilonFvPatchScalarField)
Namespace for OpenFOAM.
ITstream & lookup(const word &, bool recursive=false, bool patternMatch=true) const
Find and return an entry data stream.
Definition: dictionary.C:812