Inter-particle stress model of Harris and Crighton. More...
Public Member Functions | |
TypeName ("HarrisCrighton") | |
Runtime type information. More... | |
HarrisCrighton (const dictionary &dict) | |
Constructors. More... | |
HarrisCrighton (const HarrisCrighton &hc) | |
Construct copy. More... | |
virtual autoPtr< ParticleStressModel > | clone () const |
Clone. More... | |
virtual | ~HarrisCrighton () |
Destructor. More... | |
tmp< Field< scalar > > | tau (const Field< scalar > &alpha, const Field< scalar > &rho, const Field< scalar > &uRms) const |
Member Functions. More... | |
tmp< Field< scalar > > | dTaudTheta (const Field< scalar > &alpha, const Field< scalar > &rho, const Field< scalar > &uRms) const |
Collision stress derivative w.r.t. the volume fraction. More... | |
Public Member Functions inherited from ParticleStressModel | |
TypeName ("particleStressModel") | |
Runtime type information. More... | |
declareRunTimeSelectionTable (autoPtr, ParticleStressModel, dictionary,(const dictionary &dict),(dict)) | |
Declare runtime constructor selection table. More... | |
ParticleStressModel (const dictionary &dict) | |
Constructors. More... | |
ParticleStressModel (const ParticleStressModel &sm) | |
Construct a copy. More... | |
virtual | ~ParticleStressModel () |
Destructor. More... | |
scalar | alphaPacked () const |
Member Functions. More... | |
tmp< FieldField< Field, scalar > > | tau (const FieldField< Field, scalar > &alpha, const FieldField< Field, scalar > &rho, const FieldField< Field, scalar > &uRms) const |
Collision stress using FieldFields. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from ParticleStressModel | |
static autoPtr< ParticleStressModel > | New (const dictionary &dict) |
Selector. More... | |
Protected Attributes inherited from ParticleStressModel | |
scalar | alphaPacked_ |
Close pack volume fraction. More... | |
Inter-particle stress model of Harris and Crighton.
The stress value takes the following form:
Here, is the volume fraction of the dispersed phase, and the other values are modelling constants. A small value is used to limit the denominator to ensure numerical stability.
Reference:
"Solitons, solitary waves, and voidage disturbances in gas-fluidised beds" S Harris and D Crighton, Journal of Fluid Mechanics Volume 266, Pages 243-276, 1994
Definition at line 68 of file HarrisCrighton.H.
HarrisCrighton | ( | const dictionary & | dict | ) |
Constructors.
Construct from components
Definition at line 49 of file HarrisCrighton.C.
Referenced by HarrisCrighton::clone().
HarrisCrighton | ( | const HarrisCrighton & | hc | ) |
Construct copy.
Definition at line 61 of file HarrisCrighton.C.
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virtual |
Destructor.
Definition at line 75 of file HarrisCrighton.C.
TypeName | ( | "HarrisCrighton" | ) |
Runtime type information.
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inlinevirtual |
Clone.
Implements ParticleStressModel.
Definition at line 105 of file HarrisCrighton.H.
References HarrisCrighton::HarrisCrighton().
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virtual |
Member Functions.
Collision stress
Implements ParticleStressModel.
Definition at line 99 of file HarrisCrighton.C.
References alpha(), and Foam::pow().
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virtual |
Collision stress derivative w.r.t. the volume fraction.
Implements ParticleStressModel.
Definition at line 116 of file HarrisCrighton.C.
References alpha(), and Foam::pow().