src/material/TiSi2/TiSi2_thermal.cc

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*              8888888         88888888         88888888                    */
   4 /*            8                8                8                            */
   5 /*           8                 8                8                            */
   6 /*           8                  88888888         88888888                    */
   7 /*           8      8888                8                8                   */
   8 /*            8       8                 8                8                   */
   9 /*              888888         888888888        888888888                    */
  10 /*                                                                           */
  11 /*       A Two-Dimensional General Purpose Semiconductor Simulator.          */
  12 /*                                                                           */
  13 /*  GSS material database Version 0.4                                        */
  14 /*  Last update: May 27, 2007                                                */
  15 /*                                                                           */
  16 /*  Gong Ding                                                                */
  17 /*  gdiso@ustc.edu                                                           */
  18 /*  NINT, No.69 P.O.Box, Xi'an City, China                                   */
  19 /*                                                                           */
  20 /*****************************************************************************/
  21 //
  22 // Material Type: TiSi2
  23
  24
  25 #include "PMI.h"
  26
  27 class GSS_TiSi2_Thermal : public PMIC_Thermal
  28 {
  29 private:
  30   PetscScalar A_SP_HEA; // First parameter for the specific heat model of the material.
  31   PetscScalar B_SP_HEA; // Second parameter for the specific heat model of the material.
  32   PetscScalar C_SP_HEA; // Third parameter for the specific heat model of the material.
  33   PetscScalar D_SP_HEA; // Fourth parameter for the specific heat model of the material.
  34   PetscScalar F_SP_HEA; // Fifth parameter for the specific heat model of the material.
  35   PetscScalar G_SP_HEA; // Sixth parameter for the specific heat model of the material.
  36   PetscScalar A_TH_CON; // First parameter for the thermal conductivity model of the material.
  37   PetscScalar B_TH_CON; // Second parameter for the thermal conductivity model of the material.
  38   PetscScalar C_TH_CON; // Third parameter for the thermal conductivity model of the material.
  39   PetscScalar E_TH_CON; // Fifth parameter for the thermal conductivity model of the material.
  40   PetscScalar D_TH_CON; // Fourth parameter for the thermal conductivity model of the material.
  41   void   Thermal_Init()
  42   {
  43     //use value for Al
  44     A_SP_HEA =  7.370000e+02*J/kg/K;
  45     B_SP_HEA =  0.442000e+00*J/kg/pow(K,2);
  46     C_SP_HEA =  0.000000e+00*J/kg/pow(K,3);
  47     D_SP_HEA =  0.000000e+00*J/kg*K;
  48     F_SP_HEA =  0.000000e+00*J/kg/pow(K,4);
  49     G_SP_HEA =  0.000000e+00*J/kg/pow(K,5);
  50     //thermal conductivity value is right.
  51     A_TH_CON =  2.99070074e0*cm*K/J*s;
  52     B_TH_CON =  0.000000e+00*cm/J*s;
  53     C_TH_CON =  0.000000e+00*cm/J*s/K;
  54     E_TH_CON =  0.000000e+00;
  55     D_TH_CON =  0.000000e+00*cm/J*s*pow(K,1-E_TH_CON);
  56   }
  57 public:
  58   PetscScalar HeatCapacity  (const PetscScalar &Tl) const
  59   {
  60     return A_SP_HEA + B_SP_HEA*Tl + C_SP_HEA*Tl*Tl + D_SP_HEA/Tl/Tl
  61            + F_SP_HEA*Tl*Tl*Tl + G_SP_HEA*Tl*Tl*Tl*Tl;
  62   }
  63   PetscScalar HeatConduction(const PetscScalar &Tl) const
  64   {
  65     return 1.0/(A_TH_CON + B_TH_CON*Tl + C_TH_CON*Tl*Tl + D_TH_CON*pow(Tl,E_TH_CON));
  66   }
  67   GSS_TiSi2_Thermal(const PMIC_Environment &env):PMIC_Thermal(env)
  68   {
  69     Thermal_Init();
  70   }
  71   ~GSS_TiSi2_Thermal()
  72   {
  73   }
  74 }
  75 ;
  76
  77 extern "C"
  78 {
  79   PMIC_Thermal* PMIC_TiSi2_Thermal_Default (const PMIC_Environment& env)
  80   {
  81     return new GSS_TiSi2_Thermal(env);
  82   }
  83 }