ATC version 2.0, date: Aug7

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@10561 f3b2605a-c512-4ea7-a41b-209d697bcdaa
2013-08-07 21:34:54 +00:00
parent fafff431e9
commit 7855ef6dda
195 changed files with 83477 additions and 4499 deletions
--- a/lib/atc/WeakEquationMomentum.cpp
+++ b/lib/atc/WeakEquationMomentum.cpp
@ -0,0 +1,157 @@
+#include "WeakEquationMomentum.h"
+#include "Material.h"
+#include "LammpsInterface.h"
+
+namespace ATC {
+
+//==============================================================
+//  Class WeakEquationMomentum
+//==============================================================
+
+//--------------------------------------------------------------
+//  Constructor
+//--------------------------------------------------------------
+WeakEquationMomentum::WeakEquationMomentum()
+  : WeakEquation(DYNAMIC_PDE,VELOCITY,3)
+{}
+
+//--------------------------------------------------------------
+//  Destructor
+//--------------------------------------------------------------
+WeakEquationMomentum::~WeakEquationMomentum()
+{}
+
+//---------------------------------------------------------------------
+//   compute mass density
+//---------------------------------------------------------------------
+void WeakEquationMomentum::M_integrand(
+  const FIELD_MATS &fields,
+  const Material * material,
+  DENS_MAT & density ) const
+{
+  material->mass_density(fields, density);
+}
+
+//--------------------------------------------------------------
+void WeakEquationMomentum::B_integrand(
+  const FIELD_MATS &fields,
+  const GRAD_FIELD_MATS &grad_fields,
+  const Material * material,
+  DENS_MAT_VEC &flux) const
+{
+  material->stress(fields, grad_fields, flux);
+}
+
+//--------------------------------------------------------------
+bool WeakEquationMomentum::N_integrand(
+  const FIELD_MATS &fields,
+  const GRAD_FIELD_MATS &grad_fields,
+  const Material * material,
+  DENS_MAT &flux) const
+{
+  return material->body_force(fields, flux); 
+}
+
+//--------------------------------------------------------------
+void WeakEquationMomentum::E_integrand(
+  const FIELD_MATS &fields,
+  const GRAD_FIELD_MATS &grad_fields,
+  const Material * material,
+  DENS_MAT &energy) const
+{
+  material->elastic_energy(fields, grad_fields, energy);
+}
+//==============================================================
+//  Class WeakEquationMomentumElectrostatic
+//==============================================================
+
+//--------------------------------------------------------------
+//  Constructor
+//--------------------------------------------------------------
+WeakEquationMomentumElectrostatic::WeakEquationMomentumElectrostatic()
+  : WeakEquationMomentum()
+{
+  // convert charge * electric field --> force
+  qE2f_ = (ATC::LammpsInterface::instance()->qe2f());
+  _E_.assign(3, DENS_MAT()); 
+}
+
+//--------------------------------------------------------------
+bool WeakEquationMomentumElectrostatic::N_integrand(
+  const FIELD_MATS &fields,
+  const GRAD_FIELD_MATS &grad_fields,
+  const Material * material,
+  DENS_MAT &flux) const 
+{
+  material->electric_field(fields, grad_fields, _E_);
+  // "conversion" of grad scalar to vector field
+  int nsd = _E_.size();
+  flux.resize(_E_[0].nRows(),nsd); 
+
+  FIELD_MATS::const_iterator nField = fields.find(ELECTRON_DENSITY);
+  const DENS_MAT &  n = nField->second;
+  for (int i=0; i < nsd; i++) {
+    CLON_VEC fi = column(flux,i);
+    fi = _E_[i];
+    fi *= -qE2f_*n; 
+  }
+  return true; 
+}
+//==============================================================
+//  Class WeakEquationMomentumDiffusion
+//==============================================================
+
+//--------------------------------------------------------------
+//  Constructor
+//--------------------------------------------------------------
+WeakEquationMomentumDiffusion::WeakEquationMomentumDiffusion()
+  : WeakEquation(DYNAMIC_PDE,VELOCITY,3)
+{}
+
+//--------------------------------------------------------------
+//  Destructor
+//--------------------------------------------------------------
+WeakEquationMomentumDiffusion::~WeakEquationMomentumDiffusion()
+{}
+
+//---------------------------------------------------------------------
+//   compute mass density
+//---------------------------------------------------------------------
+void WeakEquationMomentumDiffusion::M_integrand(
+  const FIELD_MATS &fields,
+  const Material * material,
+  DENS_MAT & density ) const
+{
+  material->mass_density(fields, density);
+}
+
+//--------------------------------------------------------------
+void WeakEquationMomentumDiffusion::B_integrand(
+  const FIELD_MATS &fields,
+  const GRAD_FIELD_MATS &grad_fields,
+  const Material * material,
+  DENS_MAT_VEC &flux) const
+{
+  material->viscous_stress(fields, grad_fields, flux);
+}
+
+//---------------------------------------------------------------------
+void WeakEquationMomentumDiffusion::BB_tangent_coefficients(
+  const FieldName field,
+  const FIELD_MATS &fields,
+  const Material* material,
+  DENS_MAT &coefs) const
+{
+  material->viscosity(fields,coefs);
+}
+
+//--------------------------------------------------------------
+bool WeakEquationMomentumDiffusion::N_integrand(
+  const FIELD_MATS &fields,
+  const GRAD_FIELD_MATS &grad_fields,
+  const Material * material,
+  DENS_MAT &flux) const
+{
+  return material->body_force(fields, flux); 
+}
+}; // END namespace