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/WeakEquationElectronMomentum.h
+++ b/lib/atc/WeakEquationElectronMomentum.h
@ -0,0 +1,114 @@
+#ifndef WEAK_EQUATION_ELECTRON_MOMENTUM_H
+#define WEAK_EQUATION_ELECTRON_MOMENTUM_H
+
+#include "WeakEquation.h"
+
+namespace ATC{
+
+  class Material;
+
+ /**
+   *  @class  WeakEquationElectronMomentum
+   *  @brief  Electron momentum 
+   *  rho v,t = div P  -->
+   *  int M rho v,t = int B P 
+   */
+
+  class WeakEquationElectronMomentum : public WeakEquation {
+
+  public:
+    // constructor
+    WeakEquationElectronMomentum();
+
+    // destructor
+    virtual ~WeakEquationElectronMomentum();
+    
+    /** density that used to form the mass matrix */
+    virtual bool has_M_integrand(void) const {return true;}
+    virtual void M_integrand(const FIELD_MATS &fields,
+                             const Material * material,
+                             DENS_MAT &density ) const ;
+
+    /** convection for flux */
+    virtual bool has_B_integrand(void) const {return true;}
+    virtual void B_integrand(const FIELD_MATS &fields,
+                             const GRAD_FIELD_MATS &grad_fields,
+                             const Material * material,
+                             DENS_MAT_VEC &flux) const ;
+    
+    /** necessary interfaces */
+    virtual set<string> needs_material_functions(void) const
+    {
+      string list[2] = {"inv_effective_mass","electron_heat_capacity"};
+      set<string> needs(list,list+2);
+      return needs;
+    }
+
+  protected:
+    /** computes standard velocity convective fluxes */
+    virtual void convection(const FIELD_MATS &fields,
+                            const Material * material,
+                            DENS_MAT_VEC & flux) const ;
+
+  };
+
+ /**
+   *  @class  WeakEquationElectronMomentumDDM
+   *  @brief  Electron momentum - drift diffusion
+   *  rho v,t = div P  -->
+   *  int M rho v,t = int B P 
+   */
+
+  class WeakEquationElectronMomentumDDM : public WeakEquationElectronMomentum {
+
+  public:
+    // constructor
+    WeakEquationElectronMomentumDDM();
+    
+    // destructor
+    virtual ~WeakEquationElectronMomentumDDM();
+    
+    /** density that used to form the mass matrix */
+    virtual void M_integrand(const FIELD_MATS &fields,
+                             const Material * material,
+                             DENS_MAT &density ) const ;
+    
+    /** flux that is integrated with grad N as its weight */
+    virtual bool has_B_integrand(void) const {return false;}
+    virtual void B_integrand(const FIELD_MATS &fields,
+                             const GRAD_FIELD_MATS &grad_fields,
+                             const Material * material,
+                             DENS_MAT_VEC &flux) const {};
+    
+    /** flux that is integrated with N as its weight */
+    virtual bool has_N_integrand(void) const {return true;}
+    virtual bool N_integrand(const FIELD_MATS &fields,
+                             const GRAD_FIELD_MATS &grad_fields,
+                             const Material * material,
+                             DENS_MAT &flux) const ;
+    
+    /** necessary interfaces */
+    virtual set<string> needs_material_functions(void) const
+    {
+      set<string> needs
+        = WeakEquationElectronMomentum::needs_material_functions();
+      needs.insert("electron_drag_coefficient");
+      needs.insert("electron_heat_capacity");
+      needs.insert("electric_displacement");
+      return needs;
+    }
+    
+  protected:
+    /** computes thermal stresses arising from convection */
+    virtual void thermal_stress(const FIELD_MATS &fields,
+                                const GRAD_FIELD_MATS &gradFields,
+                                const Material * material,
+                                DENS_MAT &flux) const ;
+
+    /** workspace variables */
+    mutable DENS_MAT_VEC _dnCp_;
+    mutable DENS_MAT_VEC _electricForce_;
+  };
+  
+};
+#endif