diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C
index 350f173b0af9572d28913831c8abb9369801ae0b..06dac9ee02af2aba9a77bd777a432b15407831de 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C
@@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
- \\ / A nd | Copyright (C) 2004-2011, 2017 OpenCFD Ltd.
+ \\ / A nd | Copyright (C) 2004-2011, 2017-2019 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
| Copyright (C) 2011-2015 OpenFOAM Foundation
@@ -53,8 +53,8 @@ Foam::fanFvPatchField<Type>::fanFvPatchField
rhoName_("rho"),
uniformJump_(false),
nonDimensional_(false),
- rpm_(0.0),
- dm_(0.0)
+ rpm_(0),
+ dm_(0)
{}
@@ -71,8 +71,8 @@ Foam::fanFvPatchField<Type>::fanFvPatchField
rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
uniformJump_(dict.lookupOrDefault("uniformJump", false)),
nonDimensional_(dict.lookupOrDefault("nonDimensional", false)),
- rpm_(dict.lookupOrDefault<scalar>("rpm", 0.0)),
- dm_(dict.lookupOrDefault<scalar>("dm", 0.0))
+ rpm_(0),
+ dm_(0)
{
if (nonDimensional_)
{
@@ -158,9 +158,13 @@ void Foam::fanFvPatchField<Type>::write(Ostream& os) const
os.writeEntryIfDifferent<word>("phi", "phi", phiName_);
os.writeEntryIfDifferent<word>("rho", "rho", rhoName_);
os.writeEntryIfDifferent<bool>("uniformJump", false, uniformJump_);
- os.writeEntryIfDifferent<bool>("nonDimensional", false, nonDimensional_);
- os.writeEntryIfDifferent<scalar>("rpm", false, rpm_);
- os.writeEntryIfDifferent<scalar>("dm", false, dm_);
+
+ if (nonDimensional_)
+ {
+ os.writeEntry("nonDimensional", nonDimensional_);
+ os.writeEntry("rpm", rpm_);
+ os.writeEntry("dm", dm_);
+ }
}
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H
index 7a17ad703567deab72254f9ce8d49015179a9a0e..11d86e338a172b410d72e04fe914258c274ac795 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H
@@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
- \\ / A nd | Copyright (C) 2004-2011, 2017-2018 OpenCFD Ltd.
+ \\ / A nd | Copyright (C) 2004-2011, 2017-2019 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
| Copyright (C) 2011-2016 OpenFOAM Foundation
@@ -34,38 +34,42 @@ Description
condition as a base.
The jump is specified as a \c Function1 type, to enable the use of, e.g.
- contant, polynomial, table values.
+ constant, polynomial, table values.
- The switch nonDimensional can be used for a non-dimensional table. It needs
- inputs rpm and dm of the fan. It should be used with uniformJump true.
+ The switch nonDimensional can be used for a non-dimensional table,
+ in combination with uniformJump = true.
+ As inputs it needs the fan RPM (rpm) and the mean diameter (dm).
- The nonDimensional U for the table is calculate as :
+ The non-dimensional U for the table is calculated as follows:
+ \verbatim
phi = 120*Un/(PI^3*dm*rpm)
where:
dm is the mean diameter.
rpm is the RPM of the fan.
+ \endverbatim
- The nonDimensinal pressure :
+ The non-dimensional pressure:
+ \verbatim
Psi = 2 deltaP/(rho*(sqr(PI*omega*dm)))
where:
deltaP is the pressure drop
+ \endverbatim
The non-dimensional table should be given as Psi = F(phi).
Usage
\table
- Property | Description | Required | Default value
- patchType | underlying patch type should be \c cyclic| yes |
- jumpTable | jump data, e.g. \c csvFile | yes |
- phi | flux field name | no | phi
- rho | density field name | no | none
- uniformJump | applies a uniform pressure based on the averaged
- velocity | no | false
- nonDimensional | uses non-dimensional table | no | false
- rpm | fan rpm for non-dimensional table | no | 0.0
- dm | mean diameter for non-dimensional table | no | 0.0
+ Property | Description | Required | Default
+ patchType | underlying patch type should be \c cyclic | yes |
+ jumpTable | jump data, e.g. \c csvFile | yes |
+ phi | flux field name | no | phi
+ rho | density field name | no | rho
+ uniformJump | apply uniform pressure based on avg velocity | no | false
+ nonDimensional | use non-dimensional table | no | false
+ rpm | fan rpm (non-dimensional table) | no | 0
+ dm | mean diameter (non-dimensional table) | no | 0
\endtable
Example of the boundary condition specification:
@@ -75,7 +79,8 @@ Usage
type fan;
patchType cyclic;
jumpTable csvFile;
- csvFileCoeffs
+
+ jumpTableCoeffs
{
nHeaderLine 1;
refColumn 0;
@@ -109,7 +114,6 @@ SourceFiles
#define fanFvPatchField_H
#include "uniformJumpFvPatchField.H"
-#include "Function1.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@@ -130,14 +134,13 @@ class fanFvPatchField
//- Name of the flux transporting the field
word phiName_;
- //- Name of the density field used to normalise the mass flux
- //- if necessary
+ //- Name of the density field for normalising the mass flux if necessary
word rhoName_;
- //- Uniform pressure drop
+ //- Apply uniform pressure drop
bool uniformJump_;
- //- Swtich for using non-dimensional curve
+ //- Use non-dimensional curve
bool nonDimensional_;
// Parameters for non-dimensional table
@@ -228,7 +231,7 @@ public:
virtual void updateCoeffs();
//- Write
- virtual void write(Ostream&) const;
+ virtual void write(Ostream& os) const;
};
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C
index dc17bce04d9b0e7ca4e531bde7e79048e0f9cc2f..b4c35193609d9c6b61d15c857a782d1f83cfee6e 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C
@@ -100,9 +100,15 @@ Foam::fanFvPatchField<Foam::scalar>::fanFvPatchField
rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
uniformJump_(dict.lookupOrDefault("uniformJump", false)),
nonDimensional_(dict.lookupOrDefault("nonDimensional", false)),
- rpm_(dict.lookupOrDefault<scalar>("rpm", 0.0)),
- dm_(dict.lookupOrDefault<scalar>("dm", 0.0))
+ rpm_(0),
+ dm_(0)
{
+ if (nonDimensional_)
+ {
+ dict.readEntry("rpm", rpm_);
+ dict.readEntry("dm", dm_);
+ }
+
if (this->cyclicPatch().owner())
{
this->jumpTable_ = Function1<scalar>::New("jumpTable", dict);
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H
index 7745186a224870bbe49c794b11f74cfd66a4b2d7..6f455e79d62781132f0b5be28955dbe3af2d37fa 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H
@@ -36,9 +36,9 @@ Description
Usage
\table
- Property | Description | Required | Default value
- patchType | underlying patch type should be \c cyclic| yes |
- jumpTable | jump value | yes |
+ Property | Description | Required | Default
+ patchType | underlying patch type should be \c cyclic | yes |
+ jumpTable | jump value | yes |
\endtable
Example of the boundary condition specification:
@@ -171,7 +171,7 @@ public:
virtual void updateCoeffs();
//- Write
- virtual void write(Ostream&) const;
+ virtual void write(Ostream& os) const;
};