removing thermalconductivies member variable

Signed-off-by: jtneedels <jneedels@stanford.edu>

Author: jtneedels

SU2_CFD/include/variables/CNEMONSVariable.hpp

@@ -42,12 +42,11 @@ class CNEMONSVariable final : public CNEMOEulerVariable {
   VectorType Viscosity_Ref;     /*!< \brief Reference viscosity of the fluid. */
   VectorType Viscosity_Inf;     /*!< \brief Viscosity of the fluid at the infinity. */
   MatrixType DiffusionCoeff;    /*!< \brief Diffusion coefficient of the mixture. */
-  CVectorOfMatrix Dij;            /*!< \brief Binary diffusion coefficients. */
+  CVectorOfMatrix Dij;          /*!< \brief Binary diffusion coefficients. */
   VectorType LaminarViscosity;  /*!< \brief Viscosity of the fluid. */
   VectorType ThermalCond;       /*!< \brief T-R thermal conductivity of the gas mixture. */
   VectorType ThermalCond_ve;    /*!< \brief V-E thermal conductivity of the gas mixture. */
-  vector<su2double> thermalconductivities;   /*!< \brief Species thermal conductivities. */
-  MatrixType Enthalpys;    /*!< \brief Species enthalpies of the mixture. */
+  MatrixType Enthalpys;         /*!< \brief Species enthalpies of the mixture. */
 
   su2double inv_TimeScale;      /*!< \brief Inverse of the reference time scale. */
 

SU2_CFD/src/variables/CNEMONSVariable.cpp

@@ -113,7 +113,7 @@ bool CNEMONSVariable::SetPrimVar(unsigned long iPoint, CFluidModel *FluidModel)
 
   LaminarViscosity(iPoint) = fluidmodel->GetViscosity();
 
-  thermalconductivities    = fluidmodel->GetThermalConductivities();
+  const auto& thermalconductivities    = fluidmodel->GetThermalConductivities();
   ThermalCond(iPoint)      = thermalconductivities[0];
   ThermalCond_ve(iPoint)   = thermalconductivities[1];