Apply suggestions from code review

Author: TobiKattmann

Common/include/geometry/CGeometry.hpp

@@ -199,7 +199,7 @@ class CGeometry {
   unsigned long *nElem_Bound{nullptr};   /*!< \brief Number of elements of the boundary. */
   string *Tag_to_Marker{nullptr};        /*!< \brief Names of boundary markers. */
   vector<bool> bound_is_straight;        /*!< \brief Bool if boundary-marker is straight(2D)/plane(3D) for each local marker. */
-  vector<su2double> SurfaceAreaCfgFile;         /*!< \brief Total Surface area for all markers. */
+  vector<su2double> SurfaceAreaCfgFile;  /*!< \brief Total Surface area for all markers. */
 
   /*--- Partitioning-specific variables ---*/
 
@@ -917,8 +917,8 @@ class CGeometry {
    */
   void ComputeSurfaceAreaCfgFile(const CConfig *config);
 
-  /*! Get global Surface Area to a local marker
-  * \brief Adapt Heatflux value for integrated heatflux.
+  /*!
+  * \brief Get global Surface Area to a local marker.
   * \param[in] config - Definition of the particular problem.
   * \param[in] val_marker - Local surface marker.
   * \return Global Surface Area to the local marker

TestCases/incomp_navierstokes/streamwise_periodic/chtPinArray_3d/configSolid.cfg

@@ -25,7 +25,7 @@ THERMAL_CONDUCTIVITY_CONSTANT= 200
 %
 MARKER_SYM= ( solid_sym_sides)
 %
-% 5e5[W/m^2]@solid_bottom_heat * 3.59172[m^2]@solid_bottom_heater = 17.9586 [W]
+% 5e5[W/m^2]@solid_bottom_heat * 3.59172e-5[m^2]@solid_bottom_heater = 17.9586 [W]
 INTEGRATED_HEATFLUX= YES
 MARKER_HEATFLUX= ( solid_bottom_heater, 17.9586, \
                    solid_block_inlet, 0.0, \