snowBedFoam/exampleCase/constant/kinematicCloudProperties

192 lines
5.2 KiB
C++

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.3.0 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object kinematicCloudProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "../setUp" // include file with all the settings
// NUMERICAL SETTINGS
solution
{
// Activation of particles and coupling method
active true;//false; // activation of particles
coupled true;//false; //two-way coupling
transient yes;
cellValueSourceCorrection on;
// Interpolation method
interpolationSchemes
{
rho cell;
U cellPoint;
mu cell;
}
// Integration method
integrationSchemes
{
U analytical; //Euler;
}
// Relaxation
sourceTerms
{
schemes
{
U semiImplicit 0.5; //the number is relaxCoeff for the field
}
}
}
// FLOW PROPERTIES
constantProperties
{
rho0 $rhoPar;
alphaMax 1;
}
// PARTICLE SUBMODELS
subModels
{
// Acting forces
particleForces
{
sphereDrag;
gravity;
}
// Injection models
injectionModels
{
/*
model1
{
type patchInjection;
parcelBasisType mass;
patchName atmosphere; //patch for injecting particles
U0 (0 0 -1.544); //terminal fall velocity
sizeDistribution //particle size distribution
{
type normal;
normalDistribution
{
expectation 0.0002;
variance 0.00005;
minValue 5e-5;
maxValue 0.0005;
}
}
flowRateProfile constant 1; //flow rate
massTotal 3543.45; //kg. Mass injected in "duration"
SOI 0;
duration 3600; //s. Time duration where massTotal is injected.
parcelsPerSecond 0.05e6; //number of particles per s.
}
*/
}
// Particle dispersion model
dispersionModel none;
// Rebound-splash of snow particles
patchInteractionModel localInteractionStickReboundSplash; //none;
localInteractionStickReboundSplashCoeffs
{
patches
(
atmosphere
{
type escape;
e 1.0;
mu 0.0;
}
// Snow surface settings
snowBed
{
// Rebound coefficients
type stickReboundSplash;
Pm 0.9; //(-) max probability of rebound.
gamma 2.0; //(-) rebound
// Splash entrainment coefficients
epsilonr 0.25; //(-) energy balance
mur 0.5; //(-) momentum balance
muf 0.4; //(-) momentum balance
bEne 10e-9; //(-) bed cohesion
corrm 0.0; //(-) mass-velocity correlation
corre 0.0; //(-) mass-velocity correlation
pppMax $pppMax; //maximum number of particles per parcel
// Particle diameter properties
dm $dm; //m. mean particle diameter
ds $ds; //m. std deviation of diameter
d_max $d_max; //m. maximum particle diameter
d_min $d_min; //m. minimum particle diameter
}
);
// Particle probability distributions
sizeDistributionTriple
{
type normalLogNormalExponential;
normalLogNormalExponentialDistribution
{
//nothing
}
}
}
heatTransferModel none;
surfaceFilmModel none;
collisionModel none;
stochasticCollisionModel none;
radiation off;
// Aerodynamic entrainment of snow particles
bedAerodynamicLiftInjectionModel logLawShearStress; //none;
logLawShearStressCoeffs
{
// Particle probability distributions
sizeDistributionTriple
{
type normalLogNormalExponential;
normalLogNormalExponentialDistribution
{
//nothing
}
};
// Particle and coefficient settings
aerodynamicLiftPatch snowBed; //patch for entrainement
tauLogLaw false; //shear stress computation method
dm $dm; //m. mean particle diameter.
ds $ds; //m. std deviation of diameter
d_max $d_max; //m. maximum particle diameter
d_min $d_min; //m. minimum particle diameter
z0 $Z0; //m. aerodynamic roughness.
pppMin $pppMin; //number of particles per parcel.
SOA 100; //s. start of activation.
Acst 0.2; //(-). fluid threshold coefficient.
}
}
cloudFunctions
{
}
// ************************************************************************* //