Inter-particle stress model of Lun et al. More...
Public Member Functions | |
TypeName ("Lun") | |
Runtime type information. More... | |
Lun (const dictionary &dict) | |
Constructors. More... | |
Lun (const Lun &hc) | |
Construct copy. More... | |
virtual autoPtr< ParticleStressModel > | clone () const |
Clone. More... | |
virtual | ~Lun () |
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 derivaive 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 Lun et al.
The stress value takes the following form:
Here, is the volume fraction of the dispersed phase, is the density of the dispersed phase, is a coefficient of restitution, and is the RMS velocity fluctuation.
Reference:
"Kinetic theories for granular flow: inelastic particles in Couette flow and slightly inelastic particles in a general flowfield" C Lun, S Savage, G Jeffrey, N Chepurniy Journal of Fluid Mechanics Volume 140, Pages 223-256, 1984
Lun | ( | const dictionary & | dict | ) |
Constructors.
Construct from components
Definition at line 50 of file Lun.C.
Referenced by Lun::clone().
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virtual |
Destructor.
Definition at line 73 of file Lun.C.
References Lun::tau().
Referenced by Lun::clone().
TypeName | ( | "Lun" | ) |
Runtime type information.
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inlinevirtual |
Clone.
Implements ParticleStressModel.
Definition at line 97 of file Lun.H.
References alpha(), Lun::dTaudTheta(), Lun::Lun(), rho, Lun::tau(), and Lun::~Lun().
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virtual |
Member Functions.
Collision stress
Implements ParticleStressModel.
Definition at line 81 of file Lun.C.
References Lun::dTaudTheta(), Foam::max(), and Foam::pow().
Referenced by Lun::clone(), and Lun::~Lun().
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virtual |
Collision stress derivaive w.r.t. the volume fraction.
Implements ParticleStressModel.
Definition at line 105 of file Lun.C.
References NotImplemented.
Referenced by Lun::clone(), and Lun::tau().