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lammps/lib/atc/WeakEquationMassDiffusion.cpp
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WeakEquationMassDiffusion.cpp
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#include "ATC_Transfer.h"
#include "WeakEquationMassDiffusion.h"
#include "Material.h"
#include <iostream>
#include <fstream>
namespace ATC {
//==============================================================
// Class WeakEquationMassDiffusion
//==============================================================
//--------------------------------------------------------------
// Constructor
//--------------------------------------------------------------
WeakEquationMassDiffusion::WeakEquationMassDiffusion()
: WeakEquation(DYNAMIC_PDE,MASS_DENSITY,1)
{}
//--------------------------------------------------------------
// Destructor
//--------------------------------------------------------------
WeakEquationMassDiffusion::~WeakEquationMassDiffusion(void)
{}
//---------------------------------------------------------------------
// compute capacity
//---------------------------------------------------------------------
void WeakEquationMassDiffusion::M_integrand(
const FIELD_MATS &fields,
const Material * material,
DENS_MAT & capacity ) const
{
FIELD_MATS::const_iterator dField = fields.find(MASS_DENSITY);
const DENS_MAT & rho = dField->second;
capacity.reset(rho.nRows(),rho.nCols());
capacity = 1.;
}
//--------------------------------------------------------------
// compute flux
//--------------------------------------------------------------
void WeakEquationMassDiffusion::B_integrand(
const FIELD_MATS &fields,
const GRAD_FIELD_MATS &grad_fields,
const Material * material,
DENS_MAT_VEC &flux) const
{
// material->mass_flux(fields, grad_fields, flux[MASS_DENSITY]);
}
}; // end namespace
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