diff --git a/dumux/boxmodels/1p2c/1p2cfluxvariables.hh b/dumux/boxmodels/1p2c/1p2cfluxvariables.hh
index 6f49c4ad03e72a2acb7e2ddd6a2d07b4de1eda34..c89d83adb7ab506f17cd527886767bb47af678d5 100644
--- a/dumux/boxmodels/1p2c/1p2cfluxvariables.hh
+++ b/dumux/boxmodels/1p2c/1p2cfluxvariables.hh
@@ -27,7 +27,7 @@
  * \brief This file contains the data which is required to calculate
  *        all fluxes of fluid phases over a face of a finite volume.
  *
- * This means pressure and mole-/mass-fraction gradients, phase densities at
+ * This means pressure and mole-fraction gradients, phase densities at
  * the integration point, etc.
  *
  */
@@ -49,7 +49,7 @@ namespace Dumux
  *        calculate the fluxes of the fluid phases over a face of a
  *        finite volume for the one-phase, two-component model.
  *
- * This means pressure and mole-/mass-fraction gradients, phase densities at
+ * This means pressure and mole-fraction gradients, phase densities at
  * the intergration point, etc.
  */
 template <class TypeTag>
@@ -58,7 +58,7 @@ class OnePTwoCFluxVariables
     typedef typename GET_PROP_TYPE(TypeTag, Problem) Problem;
     typedef typename GET_PROP_TYPE(TypeTag, VolumeVariables) VolumeVariables;
     typedef typename GET_PROP_TYPE(TypeTag, ElementVolumeVariables) ElementVolumeVariables;
-    typedef typename GET_PROP_TYPE(TypeTag, SpatialParameters) SpatialParameters;
+    typedef typename GET_PROP_TYPE(TypeTag, SpatialParams) SpatialParams;
 
     typedef typename GET_PROP_TYPE(TypeTag, Indices) Indices;
     enum {
@@ -75,8 +75,8 @@ class OnePTwoCFluxVariables
     typedef typename GridView::ctype CoordScalar;
     typedef Dune::FieldVector<CoordScalar, dimWorld> GlobalPosition;
     typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
-    typedef Dune::FieldVector<Scalar, dimWorld> Vector;
-    typedef Dune::FieldMatrix<Scalar, dimWorld, dimWorld> Tensor;
+    typedef Dune::FieldVector<Scalar, dim> DimVector;
+    typedef Dune::FieldMatrix<Scalar, dim, dim> DimMatrix;
 
     typedef typename GET_PROP_TYPE(TypeTag, FVElementGeometry) FVElementGeometry;
     typedef typename FVElementGeometry::SubControlVolumeFace SCVFace;
@@ -87,33 +87,33 @@ public:
      *
      * \param problem The problem
      * \param element The finite element
-     * \param elemGeom The finite-volume geometry in the box scheme
+     * \param fvGeometry The finite-volume geometry in the box scheme
      * \param scvfIdx The local index of the SCV (sub-control-volume) face
-     * \param elemDat The volume variables of the current element
+     * \param elemVolVars The volume variables of the current element
      * \param onBoundary A boolean variable to specify whether the flux variables
      * are calculated for interior SCV faces or boundary faces, default=false
      */
     OnePTwoCFluxVariables(const Problem &problem,
                           const Element &element,
-                          const FVElementGeometry &elemGeom,
-                          int faceIdx,
-                          const ElementVolumeVariables &elemDat,
-                          bool onBoundary = false)
-        : fvGeom_(elemGeom), faceIdx_(faceIdx), onBoundary_(onBoundary)
+                          const FVElementGeometry &fvGeometry,
+                          const int faceIdx,
+                          const ElementVolumeVariables &elemVolVars,
+                          const bool onBoundary = false)
+        : fvGeometry_(fvGeometry), faceIdx_(faceIdx), onBoundary_(onBoundary)
     {
-        viscosityAtIP_ = Scalar(0);
-        molarDensityAtIP_ = Scalar(0);
-        densityAtIP_ = Scalar(0);
+        viscosity_ = Scalar(0);
+        molarDensity_ = Scalar(0);
+        density_ = Scalar(0);
         potentialGrad_ = Scalar(0);
         concentrationGrad_ = Scalar(0);
-        moleFracGrad_ = Scalar(0);
-        massFracGrad_ = Scalar(0);
-
-        calculateGradients_(problem, element, elemDat);
-        calculateK_(problem, element, elemDat);
-        calculateVelocities_(problem, element, elemDat);
-        calculateDiffCoeffPM_(problem, element, elemDat);
-        calculateDispersionTensor_(problem, element, elemDat);
+        moleFractionGrad_ = Scalar(0);
+        massFractionGrad_ = Scalar(0);
+
+        calculateGradients_(problem, element, elemVolVars);
+        calculateK_(problem, element, elemVolVars);
+        calculateVelocities_(problem, element, elemVolVars);
+        calculatePorousDiffCoeff_(problem, element, elemVolVars);
+        calculateDispersionTensor_(problem, element, elemVolVars);
     };
 
 public:
@@ -136,7 +136,7 @@ public:
     * \brief Return the pressure potential multiplied with the
     *        intrinsic permeability as vector (for velocity output).
     */
-   Vector Kmvp() const
+   DimVector Kmvp() const
    { return Kmvp_; }
 
    /*!
@@ -146,27 +146,27 @@ public:
    const SCVFace &face() const
    {
        if (onBoundary_)
-           return fvGeom_.boundaryFace[faceIdx_];
+           return fvGeometry_.boundaryFace[faceIdx_];
        else
-           return fvGeom_.subContVolFace[faceIdx_];
+           return fvGeometry_.subContVolFace[faceIdx_];
    }
 
     /*!
      * \brief Return the intrinsic permeability tensor \f$\mathrm{[m^2]}\f$.
      */
-    const Tensor &intrinsicPermeability() const
+    const DimMatrix &intrinsicPermeability() const
     { return K_; }
 
     /*!
      * \brief Return the dispersion tensor \f$\mathrm{[m^2/s]}\f$.
      */
-    const Tensor &dispersionTensor() const
+    const DimMatrix &dispersionTensor() const
     { return dispersionTensor_; }
 
     /*!
      * \brief Return the pressure potential gradient \f$\mathrm{[Pa/m]}\f$.
      */
-    const Vector &potentialGrad() const
+    const DimVector &potentialGrad() const
     { return potentialGrad_; }
 
     /*!
@@ -174,7 +174,8 @@ public:
      *
      * \param compIdx The index of the considered component
      */
-    const Vector &concentrationGrad(int compIdx) const
+    DUMUX_DEPRECATED_MSG("use moleFractionGrad instead")
+    const DimVector &concentrationGrad(int compIdx) const
     {
         if (compIdx != 1)
         { DUNE_THROW(Dune::InvalidStateException,
@@ -185,64 +186,105 @@ public:
     };
 
     /*!
-        * \brief Return the mole-fraction gradient of a component in a phase \f$\mathrm{[mol/mol/m)]}\f$.
-        *
-        * \param compIdx The index of the considered component
-        */
-       const Vector &moleFracGrad(int compIdx) const
-       {
-           if (compIdx != 1)
-           { DUNE_THROW(Dune::InvalidStateException,
-                    "The 1p2c model is supposed to need "
-                    "only the concentration gradient of "
-                    "the second component!"); }
-           return moleFracGrad_;
-       };
-
-       /*!
-       * \brief Return the mass-fraction gradient of a component in a phase \f$\mathrm{[kg/kg/m)]}\f$.
-       *
-       * \param compIdx The index of the considered component
-       */
-      const Vector &massFracGrad(int compIdx) const
-      {
-          if (compIdx != 1)
-          { DUNE_THROW(Dune::InvalidStateException,
-                   "The 1p2c model is supposed to need "
-                   "only the concentration gradient of "
-                   "the second component!"); }
-          return massFracGrad_;
-      };
+     * \brief Return the mole-fraction gradient of a component in a phase \f$\mathrm{[mol/mol/m)]}\f$.
+     *
+     * \param compIdx The index of the considered component
+     */
+    const DimVector &moleFractionGrad(int compIdx) const
+    {
+       if (compIdx != 1)
+       { DUNE_THROW(Dune::InvalidStateException,
+                "The 1p2c model is supposed to need "
+                "only the concentration gradient of "
+                "the second component!"); }
+       return moleFractionGrad_;
+    };
+
+    /*!
+    * \brief Return the mole-fraction gradient of a component in a phase \f$\mathrm{[mol/mol/m)]}\f$.
+    *
+    * \param compIdx The index of the considered component
+    */
+    DUMUX_DEPRECATED_MSG("use moleFractionGrad instead")
+    const DimVector &moleFracGrad(int compIdx) const
+    {
+      if (compIdx != 1)
+      { DUNE_THROW(Dune::InvalidStateException,
+               "The 1p2c model is supposed to need "
+               "only the concentration gradient of "
+               "the second component!"); }
+      return moleFractionGrad(compIdx);
+    };
+
+    /*!
+     * \brief Return the mass-fraction gradient of a component in a phase \f$\mathrm{[kg/kg/m)]}\f$.
+     *
+     * \param compIdx The index of the considered component
+     */
+    DUMUX_DEPRECATED_MSG("use moleFractionGrad instead")
+    const DimVector &massFracGrad(int compIdx) const
+    {
+      if (compIdx != 1)
+      { DUNE_THROW(Dune::InvalidStateException,
+               "The 1p2c model is supposed to need "
+               "only the concentration gradient of "
+               "the second component!"); }
+      return massFractionGrad_;
+    };
 
     /*!
     * \brief The binary diffusion coefficient for each fluid phase in the porous medium \f$\mathrm{[m^2/s]}\f$.
     */
     Scalar porousDiffCoeff() const
     {
-        // TODO: tensorial diffusion coefficients
-        return diffCoeffPM_;
+        // TODO: tensorial porousDiffCoeff_usion coefficients
+        return porousDiffCoeff_;
     };
 
     /*!
     * \brief Return viscosity \f$\mathrm{[Pa s]}\f$ of a phase at the integration
     *        point.
     */
+    Scalar viscosity() const
+    { return viscosity_;}
+
+    /*!
+    * \brief Return viscosity \f$\mathrm{[Pa s]}\f$ of a phase at the integration
+    *        point.
+    */
+    DUMUX_DEPRECATED_MSG("use viscosity() instead")
     Scalar viscosityAtIP() const
-    { return viscosityAtIP_;}
+    { return viscosity();}
+
+    /*!
+     * \brief Return molar density \f$\mathrm{[mol/m^3]}\f$ of a phase at the integration
+     *        point.
+     */
+    Scalar molarDensity() const
+    { return molarDensity_; }
 
     /*!
      * \brief Return molar density \f$\mathrm{[mol/m^3]}\f$ of a phase at the integration
      *        point.
      */
+    DUMUX_DEPRECATED_MSG("use molarDensity() instead")
     Scalar molarDensityAtIP() const
-    { return molarDensityAtIP_; }
+    { return molarDensity(); }
+
+    /*!
+     * \brief Return density \f$\mathrm{[kg/m^3]}\f$ of a phase at the integration
+     *        point.
+     */
+    Scalar density() const
+    { return density_; }
 
     /*!
      * \brief Return density \f$\mathrm{[kg/m^3]}\f$ of a phase at the integration
      *        point.
      */
+    DUMUX_DEPRECATED_MSG("use density( instead")
     Scalar densityAtIP() const
-        { return densityAtIP_; }
+    { return density(); }
 
     /*!
      * \brief Given the intrinsic permeability times the pressure
@@ -293,21 +335,21 @@ protected:
                              const Element &element,
                              const ElementVolumeVariables &elemVolVars)
     {
-        const VolumeVariables &vVars_i = elemVolVars[face().i];
-        const VolumeVariables &vVars_j = elemVolVars[face().j];
+        const VolumeVariables &volVarsI = elemVolVars[face().i];
+        const VolumeVariables &volVarsJ = elemVolVars[face().j];
 
-        Vector tmp;
-        //The decision of the if-statement depends on the function useTwoPointGradient(const Element &elem,
+        DimVector tmp;
+        //The decision of the if-statement depends on the function useTwoPointGradient(const Element &element,
         //int vertexI,int vertexJ) defined in test/tissue_tumor_spatialparameters.hh
-        if (!problem.spatialParameters().useTwoPointGradient(element, face().i, face().j)) {
+        if (!problem.spatialParams().useTwoPointGradient(element, face().i, face().j)) {
             // use finite-element gradients
             tmp = 0.0;
             for (int idx = 0;
-                    idx < fvGeom_.numVertices;
+                    idx < fvGeometry_.numVertices;
                     idx++) // loop over adjacent vertices
             {
                 // FE gradient at vertex idx
-                const Vector &feGrad = face().grad[idx];
+                const DimVector &feGrad = face().grad[idx];
 
                 // the pressure gradient
                 tmp = feGrad;
@@ -322,40 +364,40 @@ protected:
                 // the mole-fraction gradient
                 tmp = feGrad;
                 tmp *= elemVolVars[idx].moleFraction(comp1Idx);
-                moleFracGrad_ += tmp;
+                moleFractionGrad_ += tmp;
 
                 // the mass-fraction gradient
                 tmp = feGrad;
                 tmp *= elemVolVars[idx].massFraction(comp1Idx);
-                massFracGrad_ += tmp;
+                massFractionGrad_ += tmp;
 
                 // phase viscosity
-                viscosityAtIP_ += elemVolVars[idx].viscosity()*face().shapeValue[idx];
+                viscosity_ += elemVolVars[idx].viscosity()*face().shapeValue[idx];
 
                 //phase molar density
-                molarDensityAtIP_ += elemVolVars[idx].molarDensity()*face().shapeValue[idx];
+                molarDensity_ += elemVolVars[idx].molarDensity()*face().shapeValue[idx];
 
                 //phase density
-                densityAtIP_ += elemVolVars[idx].density()*face().shapeValue[idx];
+                density_ += elemVolVars[idx].density()*face().shapeValue[idx];
             }
         }
         else {
             // use two-point gradients
-            const GlobalPosition &posI = element.geometry().corner(face().i);
-            const GlobalPosition &posJ = element.geometry().corner(face().j);
-            tmp = posI;
-            tmp -= posJ;
+            const GlobalPosition &globalPosI = element.geometry().corner(face().i);
+            const GlobalPosition &globalPosJ = element.geometry().corner(face().j);
+            tmp = globalPosI;
+            tmp -= globalPosJ;
             Scalar dist = tmp.two_norm();
 
             tmp = face().normal;
             tmp /= face().normal.two_norm()*dist;
 
             potentialGrad_ = tmp;
-            potentialGrad_ *= vVars_j.pressure() - vVars_i.pressure();
+            potentialGrad_ *= volVarsJ.pressure() - volVarsI.pressure();
             concentrationGrad_ = tmp;
-            concentrationGrad_ *= vVars_j.molarity(comp1Idx) - vVars_i.molarity(comp1Idx);
-            moleFracGrad_ = tmp;
-            moleFracGrad_ *= vVars_j.moleFraction(comp1Idx) - vVars_i.moleFraction(comp1Idx);
+            concentrationGrad_ *= volVarsJ.molarity(comp1Idx) - volVarsI.molarity(comp1Idx);
+            moleFractionGrad_ = tmp;
+            moleFractionGrad_ *= volVarsJ.moleFraction(comp1Idx) - volVarsI.moleFraction(comp1Idx);
         }
 
         ///////////////
@@ -370,8 +412,8 @@ protected:
 
             // estimate the gravitational acceleration at a given SCV face
             // using the arithmetic mean
-            Vector f(problem.boxGravity(element, fvGeom_, face().i));
-            f += problem.boxGravity(element, fvGeom_, face().j);
+            DimVector f(problem.boxGravity(element, fvGeometry_, face().i));
+            f += problem.boxGravity(element, fvGeometry_, face().j);
             f /= 2;
 
             // make it a force
@@ -389,19 +431,19 @@ protected:
     *
     *        \param problem The considered problem file
     *        \param element The considered element of the grid
-    *        \param elemDat The parameters stored in the considered element
+    *        \param elemVolVars The parameters stored in the considered element
     */
     void calculateK_(const Problem &problem,
                      const Element &element,
-                     const ElementVolumeVariables &elemDat)
+                     const ElementVolumeVariables &elemVolVars)
     {
-        const SpatialParameters &sp = problem.spatialParameters();
+        const SpatialParams &sp = problem.spatialParams();
         sp.meanK(K_,
                  sp.intrinsicPermeability(element,
-                                          fvGeom_,
+                                          fvGeometry_,
                                           face().i),
                  sp.intrinsicPermeability(element,
-                                          fvGeom_,
+                                          fvGeometry_,
                                           face().j));
 
     }
@@ -413,11 +455,11 @@ protected:
       *
       *        \param problem The considered problem file
       *        \param element The considered element of the grid
-      *        \param elemDat The parameters stored in the considered element
+      *        \param elemVolVars The parameters stored in the considered element
       */
     void calculateVelocities_(const Problem &problem,
                               const Element &element,
-                              const ElementVolumeVariables &elemDat)
+                              const ElementVolumeVariables &elemVolVars)
     {
         K_.mv(potentialGrad_, Kmvp_);
         KmvpNormal_ = -(Kmvp_*face().normal);
@@ -437,21 +479,21 @@ protected:
     *
     *        \param problem The considered problem file
     *        \param element The considered element of the grid
-    *        \param elemDat The parameters stored in the considered element
+    *        \param elemVolVars The parameters stored in the considered element
     */
-    void calculateDiffCoeffPM_(const Problem &problem,
-                               const Element &element,
-                               const ElementVolumeVariables &elemDat)
+    void calculatePorousDiffCoeff_(const Problem &problem,
+                                   const Element &element,
+                                   const ElementVolumeVariables &elemVolVars)
     {
-        const VolumeVariables &vDat_i = elemDat[face().i];
-        const VolumeVariables &vDat_j = elemDat[face().j];
+        const VolumeVariables &volVarsI = elemVolVars[face().i];
+        const VolumeVariables &volVarsJ = elemVolVars[face().j];
 
         // Diffusion coefficient in the porous medium
-        diffCoeffPM_
-            = harmonicMean(vDat_i.porosity() * vDat_i.tortuosity() * vDat_i.diffCoeff(),
-               vDat_j.porosity() * vDat_j.tortuosity() * vDat_j.diffCoeff());
-//            = 1./2*(vDat_i.porosity() * vDat_i.tortuosity() * vDat_i.diffCoeff() +
-//                    vDat_j.porosity() * vDat_j.tortuosity() * vDat_j.diffCoeff());
+        porousDiffCoeff_
+            = harmonicMean(volVarsI.porosity() * volVarsI.tortuosity() * volVarsI.diffCoeff(),
+               volVarsJ.porosity() * volVarsJ.tortuosity() * volVarsJ.diffCoeff());
+//            = 1./2*(volVarsI.porosity() * volVarsI.tortuosity() * volVarsI.diffCoeff() +
+//                    volVarsJ.porosity() * volVarsJ.tortuosity() * volVarsJ.diffCoeff());
     }
 
     /*!
@@ -459,26 +501,26 @@ protected:
     *
     *        \param problem The considered problem file
     *        \param element The considered element of the grid
-    *        \param elemDat The parameters stored in the considered element
+    *        \param elemVolVars The parameters stored in the considered element
     */
     void calculateDispersionTensor_(const Problem &problem,
                                     const Element &element,
-                                    const ElementVolumeVariables &elemDat)
+                                    const ElementVolumeVariables &elemVolVars)
     {
-        const VolumeVariables &vDat_i = elemDat[face().i];
-        const VolumeVariables &vDat_j = elemDat[face().j];
+        const VolumeVariables &volVarsI = elemVolVars[face().i];
+        const VolumeVariables &volVarsJ = elemVolVars[face().j];
 
         //calculate dispersivity at the interface: [0]: alphaL = longitudinal disp. [m], [1] alphaT = transverse disp. [m]
         Scalar dispersivity[2];
-        dispersivity[0] = 0.5 * (vDat_i.dispersivity()[0] +  vDat_j.dispersivity()[0]);
-        dispersivity[1] = 0.5 * (vDat_i.dispersivity()[1] +  vDat_j.dispersivity()[1]);
+        dispersivity[0] = 0.5 * (volVarsI.dispersivity()[0] +  volVarsJ.dispersivity()[0]);
+        dispersivity[1] = 0.5 * (volVarsI.dispersivity()[1] +  volVarsJ.dispersivity()[1]);
 
         //calculate velocity at interface: v = -1/mu * vDarcy = -1/mu * K * grad(p)
-        Vector velocity;
+        DimVector velocity;
         Valgrind::CheckDefined(potentialGrad());
         Valgrind::CheckDefined(K_);
         K_.mv(potentialGrad(), velocity);
-        velocity /= - 0.5 * (vDat_i.viscosity() + vDat_j.viscosity());
+        velocity /= - 0.5 * (volVarsI.viscosity() + volVarsJ.viscosity());
 
         //matrix multiplication of the velocity at the interface: vv^T
         dispersionTensor_ = 0;
@@ -501,28 +543,28 @@ protected:
             dispersionTensor_[i][i] += vNorm*dispersivity[1];
     }
 
-    const FVElementGeometry &fvGeom_;
+    const FVElementGeometry &fvGeometry_;
     const int faceIdx_;
     const bool onBoundary_;
 
     //! pressure potential gradient
-    Vector potentialGrad_;
-    //! concentratrion gradient
-    Vector concentrationGrad_;
+    DimVector potentialGrad_;
+    //! DEPRECATED concentration gradient
+    DimVector concentrationGrad_;
     //! mole-fraction gradient
-    Vector moleFracGrad_;
-    //! mass-fraction gradient
-    Vector massFracGrad_;
+    DimVector moleFractionGrad_;
+    //! DEPRECATED mass-fraction gradient
+    DimVector massFractionGrad_;
     //! the effective diffusion coefficent in the porous medium
-    Scalar diffCoeffPM_;
+    Scalar porousDiffCoeff_;
 
     //! the dispersion tensor in the porous medium
-    Tensor dispersionTensor_;
+    DimMatrix dispersionTensor_;
 
     //! the intrinsic permeability tensor
-    Tensor K_;
+    DimMatrix K_;
     // intrinsic permeability times pressure potential gradient
-    Vector Kmvp_;
+    DimVector Kmvp_;
     // projected on the face normal
     Scalar KmvpNormal_;
 
@@ -532,10 +574,10 @@ protected:
    int downstreamIdx_;
 
     //! viscosity of the fluid at the integration point
-    Scalar viscosityAtIP_;
+    Scalar viscosity_;
 
     //! molar densities of the fluid at the integration point
-    Scalar molarDensityAtIP_, densityAtIP_;
+    Scalar molarDensity_, density_;
 };
 
 } // end namepace
diff --git a/dumux/boxmodels/1p2c/1p2cindices.hh b/dumux/boxmodels/1p2c/1p2cindices.hh
index 2055fb3700ae854ca3ada77ea8e3ac1566659658..bbe796d812202ad85a386de36ce0dd2f24cad219 100644
--- a/dumux/boxmodels/1p2c/1p2cindices.hh
+++ b/dumux/boxmodels/1p2c/1p2cindices.hh
@@ -58,7 +58,7 @@ struct OnePTwoCIndices
 
     // primary variable indices
     static const int pressureIdx = PVOffset + 0; //!< pressure
-    static const int x1Idx = PVOffset + 1; //!< mole fraction of the second component
+    static const int massOrMoleFractionIdx = PVOffset + 1; //!< mole fraction of the second component
 };
 
 // \}
diff --git a/dumux/boxmodels/1p2c/1p2clocalresidual.hh b/dumux/boxmodels/1p2c/1p2clocalresidual.hh
index 0db5889660b93510c3f71cd67f0997b11a1bf891..9dbf104ec8f084edb3f4826717e6c0ce4d19a130 100644
--- a/dumux/boxmodels/1p2c/1p2clocalresidual.hh
+++ b/dumux/boxmodels/1p2c/1p2clocalresidual.hh
@@ -109,11 +109,11 @@ public:
      * \brief Evaluate the amount of all conservation quantities
      *        (e.g. phase mass) within a finite volume.
      *
-     *        \param result The mass of the component within the sub-control volume
+     *        \param storage The mass of the component within the sub-control volume
      *        \param scvIdx The index of the considered face of the sub-control volume
      *        \param usePrevSol Evaluate function with solution of current or previous time step
      */
-    void computeStorage(PrimaryVariables &result, int scvIdx, bool usePrevSol) const
+    void computeStorage(PrimaryVariables &storage, const int scvIdx, const bool usePrevSol) const
     {
         // if flag usePrevSol is set, the solution from the previous
         // time step is used, otherwise the current solution is
@@ -123,23 +123,23 @@ public:
         const ElementVolumeVariables &elemVolVars = usePrevSol ? this->prevVolVars_() : this->curVolVars_();
         const VolumeVariables &volVars = elemVolVars[scvIdx];
 
-        result = 0;
+        storage = 0;
         if(!useMoles)
         {
             // storage term of continuity equation - massfractions
-            result[contiEqIdx] +=
+            storage[contiEqIdx] +=
                 volVars.fluidState().density(phaseIdx)*volVars.porosity();
             //storage term of the transport equation - massfractions
-            result[transEqIdx] +=
+            storage[transEqIdx] +=
                 volVars.fluidState().density(phaseIdx) * volVars.fluidState().massFraction(phaseIdx, comp1Idx) * volVars.porosity();
         }
         else
         {
             // storage term of continuity equation- molefractions
             //careful: molarDensity changes with moleFrac!
-            result[contiEqIdx] += volVars.molarDensity()*volVars.porosity();
+            storage[contiEqIdx] += volVars.molarDensity()*volVars.porosity();
             // storage term of the transport equation - molefractions
-            result[transEqIdx] +=
+            storage[transEqIdx] +=
                 volVars.fluidState().molarDensity(phaseIdx)*volVars.fluidState().moleFraction(phaseIdx, comp1Idx) *
                 volVars.porosity();
         }
@@ -151,17 +151,17 @@ public:
      *        volume.
      *
      *        \param flux The flux over the SCV (sub-control-volume) face for each component
-     *        \param faceId The index of the considered face of the sub control volume
+     *        \param faceIdx The index of the considered face of the sub control volume
      *        \param onBoundary A boolean variable to specify whether the flux variables
      *               are calculated for interior SCV faces or boundary faces, default=false
      */
-    void computeFlux(PrimaryVariables &flux, int faceId, bool onBoundary=false) const
+    void computeFlux(PrimaryVariables &flux, const int faceIdx, const bool onBoundary=false) const
     {
         flux = 0;
         FluxVariables fluxVars(this->problem_(),
-                               this->elem_(),
-                               this->fvElemGeom_(),
-                               faceId,
+                               this->element_(),
+                               this->fvGeometry_(),
+                               faceIdx,
                                this->curVolVars_(),
                                onBoundary);
 
@@ -241,22 +241,22 @@ public:
         if(!useMoles)
         {
             // diffusive flux of the second component - massfraction
-            tmp = -(fluxVars.moleFracGrad(comp1Idx)*fluxVars.face().normal);
-            tmp *= fluxVars.porousDiffCoeff() * fluxVars.molarDensityAtIP();
+            tmp = -(fluxVars.moleFractionGrad(comp1Idx)*fluxVars.face().normal);
+            tmp *= fluxVars.porousDiffCoeff() * fluxVars.molarDensity();
             // convert it to a mass flux and add it
             flux[transEqIdx] += tmp * FluidSystem::molarMass(comp1Idx);
         }
         else
         {
             // diffusive flux of the second component - molefraction
-            tmp = -(fluxVars.moleFracGrad(comp1Idx)*fluxVars.face().normal);
-            tmp *= fluxVars.porousDiffCoeff() * fluxVars.molarDensityAtIP();
+            tmp = -(fluxVars.moleFractionGrad(comp1Idx)*fluxVars.face().normal);
+            tmp *= fluxVars.porousDiffCoeff() * fluxVars.molarDensity();
 
             // dispersive flux of second component - molefraction
             //            Vector normalDisp;
             //            fluxVars.dispersionTensor().mv(fluxVars.face().normal, normalDisp);
-            //            tmp -= fluxVars.molarDensityAtIP()*
-            //                (normalDisp * fluxVars.moleFracGrad(comp1Idx));
+            //            tmp -= fluxVars.molarDensity()*
+            //                (normalDisp * fluxVars.moleFractionGrad(comp1Idx));
 
             flux[transEqIdx] += tmp;
         }
@@ -264,16 +264,16 @@ public:
 
     /*!
      * \brief Calculate the source term of the equation
-     *        \param q The source/sink in the SCV for each component
-     *        \param localVertexIdx The index of the vertex of the sub control volume
+     *        \param source The source/sink in the SCV for each component
+     *        \param scvIdx The index of the vertex of the sub control volume
      *
      */
-    void computeSource(PrimaryVariables &q, int localVertexIdx)
+    void computeSource(PrimaryVariables &source, const int scvIdx)
     {
-        this->problem_().boxSDSource(q,
-                                     this->elem_(),
-                                     this->fvElemGeom_(),
-                                     localVertexIdx,
+        this->problem_().boxSDSource(source,
+                                     this->element_(),
+                                     this->fvGeometry_(),
+                                     scvIdx,
                                      this->curVolVars_());
     }
 
@@ -286,8 +286,8 @@ public:
      * \param boundaryFaceIdx The index of the considered boundary face of the sub control volume
      */
     void evalOutflowSegment(const IntersectionIterator &isIt,
-                            int scvIdx,
-                            int boundaryFaceIdx)
+                            const int scvIdx,
+                            const int boundaryFaceIdx)
     {
         const BoundaryTypes &bcTypes = this->bcTypes_(scvIdx);
         // deal with outflow boundaries
diff --git a/dumux/boxmodels/1p2c/1p2cmodel.hh b/dumux/boxmodels/1p2c/1p2cmodel.hh
index 2a1e4ed5ec14adf1b15eff93032a46f4150db507..38e8ac6747efa81619ea6ff1f4cf0c1efbf4e0af 100644
--- a/dumux/boxmodels/1p2c/1p2cmodel.hh
+++ b/dumux/boxmodels/1p2c/1p2cmodel.hh
@@ -94,7 +94,7 @@ class OnePTwoCBoxModel : public BoxModel<TypeTag>
     typedef typename GridView::template Codim<dim>::Iterator VertexIterator;
 
     typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
-    typedef Dune::FieldVector<Scalar, dimWorld> GlobalPosition;
+    typedef Dune::FieldVector<Scalar, dim> DimVector;
 
 public:
     /*!
@@ -124,18 +124,18 @@ public:
         unsigned numVertices = this->problem_().gridView().size(dim);
         ScalarField &pressure = *writer.allocateManagedBuffer(numVertices);
         ScalarField &delp = *writer.allocateManagedBuffer(numVertices);
-        ScalarField &moleFrac0 = *writer.allocateManagedBuffer(numVertices);
-        ScalarField &moleFrac1 = *writer.allocateManagedBuffer(numVertices);
-        ScalarField &massFrac0 = *writer.allocateManagedBuffer(numVertices);
-        ScalarField &massFrac1 = *writer.allocateManagedBuffer(numVertices);
+        ScalarField &moleFraction0 = *writer.allocateManagedBuffer(numVertices);
+        ScalarField &moleFraction1 = *writer.allocateManagedBuffer(numVertices);
+        ScalarField &massFraction0 = *writer.allocateManagedBuffer(numVertices);
+        ScalarField &massFraction1 = *writer.allocateManagedBuffer(numVertices);
         ScalarField &rho = *writer.allocateManagedBuffer(numVertices);
         ScalarField &mu = *writer.allocateManagedBuffer(numVertices);
 #ifdef VELOCITY_OUTPUT // check if velocity output is demanded
         ScalarField &velocityX = *writer.allocateManagedBuffer(numVertices);
         ScalarField &velocityY = *writer.allocateManagedBuffer(numVertices);
         ScalarField &velocityZ = *writer.allocateManagedBuffer(numVertices);
-        //use vertiacl faces for vx and horizontal faces for vy calculation
-        std::vector<GlobalPosition> boxSurface(numVertices);
+        //use vertical faces for vx and horizontal faces for vy calculation
+        std::vector<DimVector> boxSurface(numVertices);
         // initialize velocity fields
           for (int i = 0; i < numVertices; ++i)
           {
@@ -156,7 +156,7 @@ public:
         ScalarField &rank =
                 *writer.allocateManagedBuffer(numElements);
 
-        FVElementGeometry fvElemGeom;
+        FVElementGeometry fvGeometry;
         VolumeVariables volVars;
         ElementBoundaryTypes elemBcTypes;
 
@@ -167,8 +167,8 @@ public:
             int idx = this->problem_().model().elementMapper().map(*elemIt);
             rank[idx] = this->gridView_().comm().rank();
 
-            fvElemGeom.update(this->gridView_(), *elemIt);
-            elemBcTypes.update(this->problem_(), *elemIt, fvElemGeom);
+            fvGeometry.update(this->gridView_(), *elemIt);
+            elemBcTypes.update(this->problem_(), *elemIt, fvGeometry);
 
             int numVerts = elemIt->template count<dim> ();
             for (int i = 0; i < numVerts; ++i)
@@ -177,16 +177,16 @@ public:
                 volVars.update(sol[globalIdx],
                                this->problem_(),
                                *elemIt,
-                               fvElemGeom,
+                               fvGeometry,
                                i,
                                false);
 
                 pressure[globalIdx] = volVars.pressure();
                 delp[globalIdx] = volVars.pressure() - 1e5;
-                moleFrac0[globalIdx] = volVars.moleFraction(0);
-                moleFrac1[globalIdx] = volVars.moleFraction(1);
-                massFrac0[globalIdx] = volVars.massFraction(0);
-                massFrac1[globalIdx] = volVars.massFraction(1);
+                moleFraction0[globalIdx] = volVars.moleFraction(0);
+                moleFraction1[globalIdx] = volVars.moleFraction(1);
+                massFraction0[globalIdx] = volVars.massFraction(0);
+                massFraction1[globalIdx] = volVars.massFraction(1);
                 rho[globalIdx] = volVars.density();
                 mu[globalIdx] = volVars.viscosity();
             };
@@ -194,29 +194,29 @@ public:
 #ifdef VELOCITY_OUTPUT // check if velocity output is demanded
             // In the box method, the velocity is evaluated on the FE-Grid. However, to get an
             // average apparent velocity at the vertex, all contributing velocities have to be interpolated.
-            GlobalPosition velocity;
+            DimVector velocity;
 
             ElementVolumeVariables elemVolVars;
             elemVolVars.update(this->problem_(),
                                *elemIt,
-                               fvElemGeom,
+                               fvGeometry,
                                false /* isOldSol? */);
             // loop over the phases
-            for (int faceIdx = 0; faceIdx < fvElemGeom.numEdges; faceIdx++)
+            for (int faceIdx = 0; faceIdx < fvGeometry.numEdges; faceIdx++)
             {
                 velocity = 0.0;
                 //prepare the flux calculations (set up and prepare geometry, FE gradients)
                 FluxVariables fluxVars(this->problem_(),
                                        *elemIt,
-                                       fvElemGeom,
+                                       fvGeometry,
                                        faceIdx,
                                        elemVolVars);
 
-                //use vertiacl faces for vx and horizontal faces for vy calculation
-                GlobalPosition xVector(0), yVector(0);
+                //use vertical faces for vx and horizontal faces for vy calculation
+                DimVector xVector(0), yVector(0);
                 xVector[0] = 1; yVector[1] = 1;
 
-                Dune::SeqScalarProduct<GlobalPosition> sp;
+                Dune::SeqScalarProduct<DimVector> sp;
 
                 Scalar xDir = std::abs(sp.dot(fluxVars.face().normal, xVector));
                 Scalar yDir = std::abs(sp.dot(fluxVars.face().normal, yVector));
@@ -286,7 +286,7 @@ public:
         {
             int i = this->problem_().vertexMapper().map(*vIt);
 
-            //use vertiacl faces for vx and horizontal faces for vy calculation
+            //use vertical faces for vx and horizontal faces for vy calculation
             velocityX[i] /= boxSurface[i][0];
             if (dim >= 2)
             {
@@ -306,18 +306,17 @@ public:
         if (dim > 2)
             writer.attachVertexData(velocityZ, "Vz");
 #endif
-        char nameMoleFrac0[42], nameMoleFrac1[42];
-        snprintf(nameMoleFrac0, 42, "x_%s", FluidSystem::componentName(0));
-        snprintf(nameMoleFrac1, 42, "x_%s", FluidSystem::componentName(1));
-        writer.attachVertexData(moleFrac0, nameMoleFrac0);
-        writer.attachVertexData(moleFrac1, nameMoleFrac1);
-
-        char nameMassFrac0[42], nameMassFrac1[42];
-        snprintf(nameMassFrac0, 42, "X_%s", FluidSystem::componentName(0));
-        snprintf(nameMassFrac1, 42, "X_%s", FluidSystem::componentName(1));
-        writer.attachVertexData(massFrac0, nameMassFrac0);
-        writer.attachVertexData(massFrac1, nameMassFrac1);
-//        writer.attachVertexData(delFrac, "delFrac_TRAIL");
+        char nameMoleFraction0[42], nameMoleFraction1[42];
+        snprintf(nameMoleFraction0, 42, "x_%s", FluidSystem::componentName(0));
+        snprintf(nameMoleFraction1, 42, "x_%s", FluidSystem::componentName(1));
+        writer.attachVertexData(moleFraction0, nameMoleFraction0);
+        writer.attachVertexData(moleFraction1, nameMoleFraction1);
+
+        char nameMassFraction0[42], nameMassFraction1[42];
+        snprintf(nameMassFraction0, 42, "X_%s", FluidSystem::componentName(0));
+        snprintf(nameMassFraction1, 42, "X_%s", FluidSystem::componentName(1));
+        writer.attachVertexData(massFraction0, nameMassFraction0);
+        writer.attachVertexData(massFraction1, nameMassFraction1);
         writer.attachVertexData(rho, "rho");
         writer.attachVertexData(mu, "mu");
         writer.attachCellData(rank, "process rank");
diff --git a/dumux/boxmodels/1p2c/1p2cproblem.hh b/dumux/boxmodels/1p2c/1p2cproblem.hh
index 46be5c438a8112ba86eb944c45ced14de86290c9..1e7f73ecdee5b7b7c96f733a4eb83ee39d49e916 100644
--- a/dumux/boxmodels/1p2c/1p2cproblem.hh
+++ b/dumux/boxmodels/1p2c/1p2cproblem.hh
@@ -49,7 +49,7 @@ class OnePTwoCBoxProblem : public PorousMediaBoxProblem<TypeTag>
 
     typedef typename GET_PROP_TYPE(TypeTag, TimeManager) TimeManager;
     typedef typename GET_PROP_TYPE(TypeTag, GridView) GridView;
-    typedef typename GET_PROP_TYPE(TypeTag, SpatialParameters) SpatialParameters;
+    typedef typename GET_PROP_TYPE(TypeTag, SpatialParams) SpatialParams;
 
 public:
     /*!
@@ -62,7 +62,7 @@ public:
     DUMUX_DEPRECATED_MSG("use PorousMediaBoxProblem instead")
     OnePTwoCBoxProblem(TimeManager &timeManager,
                 const GridView &gridView,
-                bool verbose = true)
+                const bool verbose = true)
         : ParentType(timeManager, gridView)
     {}
 
@@ -71,14 +71,14 @@ public:
      *
      * \param timeManager The time manager
      * \param gridView The grid view
-     * \param spatialParameters The spatial parameters object
+     * \param spatialParams The spatial parameters object
      * \param verbose Turn verbosity on or off
      */
     DUMUX_DEPRECATED_MSG("use PorousMediaBoxProblem instead")
     OnePTwoCBoxProblem(TimeManager &timeManager,
                 const GridView &gridView,
-                SpatialParameters &spatialParameters,
-                bool verbose = true)
+                SpatialParams &spatialParams,
+                const bool verbose = true)
         : ParentType(timeManager, gridView)
     {}
 
diff --git a/dumux/boxmodels/1p2c/1p2cproperties.hh b/dumux/boxmodels/1p2c/1p2cproperties.hh
index 80d682f631d468851bbb517f197958744779625f..3ce9b8f9807cad1123eda6cb3cc459ff5fea8dbd 100644
--- a/dumux/boxmodels/1p2c/1p2cproperties.hh
+++ b/dumux/boxmodels/1p2c/1p2cproperties.hh
@@ -58,7 +58,8 @@ NEW_PROP_TAG(NumPhases);   //!< Number of fluid phases in the system
 NEW_PROP_TAG(NumComponents);   //!< Number of fluid components in the system
 NEW_PROP_TAG(OnePTwoCIndices); //!< DEPRECATED Enumerations for the 1p2c models
 NEW_PROP_TAG(Indices); //!< Enumerations for the model
-NEW_PROP_TAG(SpatialParameters); //!< The type of the spatial parameters
+NEW_PROP_TAG(SpatialParams); //!< The type of the spatial parameters
+NEW_PROP_TAG(SpatialParameters); //!< DEPRECATED The type of the spatial parameters
 NEW_PROP_TAG(FluidSystem); //!< Type of the multi-component relations
 NEW_PROP_TAG(UpwindWeight);   //!< The default value of the upwind weight
 NEW_PROP_TAG(EnableGravity); //!< Returns whether gravity is considered in the problem
diff --git a/dumux/boxmodels/1p2c/1p2cvolumevariables.hh b/dumux/boxmodels/1p2c/1p2cvolumevariables.hh
index 037c9a08b67702f8e2d6cabe9e449c430eaacccd..7cb25b070197e30204b3dedb23dfc09cc8691a2b 100644
--- a/dumux/boxmodels/1p2c/1p2cvolumevariables.hh
+++ b/dumux/boxmodels/1p2c/1p2cvolumevariables.hh
@@ -62,15 +62,15 @@ class OnePTwoCVolumeVariables : public BoxVolumeVariables<TypeTag>
         comp1Idx = Indices::comp1Idx,
 
         pressureIdx = Indices::pressureIdx,
-        x1Idx = Indices::x1Idx
+        massOrMoleFractionIdx = Indices::massOrMoleFractionIdx
     };
 
     typedef typename GET_PROP_TYPE(TypeTag, GridView) GridView;
     typedef typename GridView::template Codim<0>::Entity Element;
-    enum { dimWorld = GridView::dimensionworld };
+    enum { dim = GridView::dimension };
 
     typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
-    typedef Dune::FieldVector<Scalar,dimWorld> Vector;
+    typedef Dune::FieldVector<Scalar,dim> DimVector;
 
 public:
     //! The type returned by the fluidState() method
@@ -82,25 +82,25 @@ public:
      * \param priVars A vector containing the primary variables
      * \param problem The considered problem
      * \param element The considered element of the grid
-     * \param elemGeom The finite-volume geometry in the box scheme
+     * \param fvGeometry The finite-volume geometry in the box scheme
      * \param scvIdx  The index of the considered sub-control volume
      * \param isOldSol Evaluate function with solution of current or previous time step
      */
     void update(const PrimaryVariables &priVars,
                 const Problem &problem,
                 const Element &element,
-                const FVElementGeometry &elemGeom,
-                int scvIdx,
-                bool isOldSol)
+                const FVElementGeometry &fvGeometry,
+                const int scvIdx,
+                const bool isOldSol)
     {
-        ParentType::update(priVars, problem, element, elemGeom, scvIdx, isOldSol);
+        ParentType::update(priVars, problem, element, fvGeometry, scvIdx, isOldSol);
 
         //calculate all secondary variables from the primary variables and store results in fluidstate
-        completeFluidState(priVars, problem, element, elemGeom, scvIdx, fluidState_);
+        completeFluidState(priVars, problem, element, fvGeometry, scvIdx, fluidState_);
 
-        porosity_ = problem.spatialParameters().porosity(element, elemGeom, scvIdx);
-        tortuosity_ = problem.spatialParameters().tortuosity(element, elemGeom, scvIdx);
-        dispersivity_ = problem.spatialParameters().dispersivity(element, elemGeom, scvIdx);
+        porosity_ = problem.spatialParams().porosity(element, fvGeometry, scvIdx);
+        tortuosity_ = problem.spatialParams().tortuosity(element, fvGeometry, scvIdx);
+        dispersivity_ = problem.spatialParams().dispersivity(element, fvGeometry, scvIdx);
 
         // Second instance of a parameter cache.
         // Could be avoided if diffusion coefficients also
@@ -120,7 +120,7 @@ public:
         Valgrind::CheckDefined(diffCoeff_);
 
         // energy related quantities not contained in the fluid state
-        asImp_().updateEnergy_(priVars, problem, element, elemGeom, scvIdx, isOldSol);
+        asImp_().updateEnergy_(priVars, problem, element, fvGeometry, scvIdx, isOldSol);
     }
 
     /*!
@@ -130,16 +130,16 @@ public:
                                    const Problem& problem,
                                    const Element& element,
                                    const FVElementGeometry& elementGeometry,
-                                   int scvIdx,
+                                   const int scvIdx,
                                    FluidState& fluidState)
     {
-        Scalar t = Implementation::temperature_(primaryVariables, problem, element,
+        Scalar T = Implementation::temperature_(primaryVariables, problem, element,
                                                 elementGeometry, scvIdx);
-        fluidState.setTemperature(t);
+        fluidState.setTemperature(T);
 
         fluidState.setPressure(phaseIdx, primaryVariables[pressureIdx]);
 
-        Scalar x1 = primaryVariables[x1Idx]; //mole or mass fraction of component 1
+        Scalar x1 = primaryVariables[massOrMoleFractionIdx]; //mole or mass fraction of component 1
         if(!useMoles) //mass-fraction formulation
         {
             // convert mass to mole fractions
@@ -228,7 +228,7 @@ public:
     /*!
      * \brief Returns the dispersivity of the fluid's streamlines.
      */
-    const Vector &dispersivity() const
+    const DimVector &dispersivity() const
     { return dispersivity_; }
 
     /*!
@@ -256,28 +256,28 @@ public:
 
 protected:
     static Scalar temperature_(const PrimaryVariables &priVars,
-                            const Problem& problem,
-                            const Element &element,
-                            const FVElementGeometry &elemGeom,
-                            int scvIdx)
+                               const Problem& problem,
+                               const Element &element,
+                               const FVElementGeometry &fvGeometry,
+                               const int scvIdx)
     {
-        return problem.boxTemperature(element, elemGeom, scvIdx);
+        return problem.boxTemperature(element, fvGeometry, scvIdx);
     }
 
     /*!
      * \brief Called by update() to compute the energy related quantities.
      */
-    void updateEnergy_(const PrimaryVariables &sol,
+    void updateEnergy_(const PrimaryVariables &priVars,
                        const Problem &problem,
                        const Element &element,
-                       const FVElementGeometry &elemGeom,
-                       int vertIdx,
-                       bool isOldSol)
+                       const FVElementGeometry &fvGeometry,
+                       const int scvIdx,
+                       const bool isOldSol)
     { }
 
     Scalar porosity_;    //!< Effective porosity within the control volume
     Scalar tortuosity_;
-    Vector dispersivity_;
+    DimVector dispersivity_;
     Scalar diffCoeff_;
     FluidState fluidState_;
 
diff --git a/test/boxmodels/1p2c/1p2coutflowproblem.hh b/test/boxmodels/1p2c/1p2coutflowproblem.hh
index a75cd668e1e5fc3f7e817251ef44949a67a32533..600422eff68656abe9c5b023a6a8c7d5a1b49166 100644
--- a/test/boxmodels/1p2c/1p2coutflowproblem.hh
+++ b/test/boxmodels/1p2c/1p2coutflowproblem.hh
@@ -135,7 +135,7 @@ class OnePTwoCOutflowProblem : public PorousMediaBoxProblem<TypeTag>
 
         // indices of the primary variables
         pressureIdx = Indices::pressureIdx,
-        x1Idx = Indices::x1Idx,
+        massOrMoleFractionIdx = Indices::massOrMoleFractionIdx,
 
         // indices of the equations
         contiEqIdx = Indices::contiEqIdx,
@@ -206,7 +206,7 @@ public:
     }
 
     /*!
-     * \brief Evaluate the boundary conditions for a dirichlet
+     * \brief Evaluate the boundary conditions for a Dirichlet
      *        boundary segment.
      *
      * For this method, the \a values parameter stores primary variables.
@@ -216,13 +216,13 @@ public:
         const GlobalPosition globalPos = vertex.geometry().center();
 
         initial_(values, globalPos);
-        //condition for the trail molefraction at left boundary
+        //condition for the N2 molefraction at left boundary
         if(globalPos[0] < eps_)
-            values[x1Idx] = 2.0e-5;
+            values[massOrMoleFractionIdx] = 2.0e-5;
     }
 
     /*!
-     * \brief Evaluate the boundary conditions for a neumann
+     * \brief Evaluate the boundary conditions for a Neumann
      *        boundary segment.
      *
      * For this method, the \a values parameter stores the mass flux
@@ -231,10 +231,10 @@ public:
      */
     void neumann(PrimaryVariables &values,
                  const Element &element,
-                 const FVElementGeometry &fvElemGeom,
+                 const FVElementGeometry &fvGeometry,
                  const Intersection &is,
-                 int scvIdx,
-                 int boundaryFaceIdx) const
+                 const int scvIdx,
+                 const int boundaryFaceIdx) const
     {
         //const GlobalPosition &globalPos = element.geometry().corner(scvIdx);
         values = 0;
@@ -270,8 +270,8 @@ public:
      */
     void initial(PrimaryVariables &values,
                  const Element &element,
-                 const FVElementGeometry &fvElemGeom,
-                 int scvIdx) const
+                 const FVElementGeometry &fvGeometry,
+                 const int scvIdx) const
     {
         const GlobalPosition &globalPos
             = element.geometry().corner(scvIdx);
@@ -287,7 +287,7 @@ private:
                   const GlobalPosition &globalPos) const
     {
         values[pressureIdx] = 2e5 - 1e5*globalPos[0];//0.0; //initial condition for the pressure
-        values[x1Idx] = 0.0; //initial condition for the trail molefraction
+        values[massOrMoleFractionIdx] = 0.0; //initial condition for the N2 molefraction
     }
 
     const Scalar eps_;
diff --git a/test/boxmodels/1p2c/1p2coutflowspatialparameters.hh b/test/boxmodels/1p2c/1p2coutflowspatialparameters.hh
index 370296fac78e80a7dc00ff143838bddd65efc984..d193bace8198a22ae72934b6f86077c22bf11d52 100644
--- a/test/boxmodels/1p2c/1p2coutflowspatialparameters.hh
+++ b/test/boxmodels/1p2c/1p2coutflowspatialparameters.hh
@@ -68,8 +68,8 @@ class OnePTwoCOutflowSpatialParameters : public BoxSpatialParametersOneP<TypeTag
 
     //typedef LinearMaterial<Scalar> EffMaterialLaw;
 public:
-    OnePTwoCOutflowSpatialParameters(const GridView &gv)
-        : ParentType(gv)
+    OnePTwoCOutflowSpatialParameters(const GridView &gridView)
+        : ParentType(gridView)
     {
         permeability_ = 1e-10;
         porosity_ = 0.4;
@@ -94,12 +94,12 @@ public:
      * \brief Define the intrinsic permeability \f$\mathrm{[m^2]}\f$.
      *
      * \param element The current finite element
-     * \param fvElemGeom The current finite volume geometry of the element
+     * \param fvGeometry The current finite volume geometry of the element
      * \param scvIdx The index of the sub-control volume
      */
     const Scalar intrinsicPermeability(const Element &element,
-                                       const FVElementGeometry &fvElemGeom,
-                                       int scvIdx) const
+                                       const FVElementGeometry &fvGeometry,
+                                       const int scvIdx) const
     {
             return permeability_;
     }
@@ -108,12 +108,12 @@ public:
      * \brief Define the porosity \f$\mathrm{[-]}\f$.
      *
      * \param element The finite element
-     * \param fvElemGeom The finite volume geometry
+     * \param fvGeometry The finite volume geometry
      * \param scvIdx The local index of the sub-control volume where
      */
     double porosity(const Element &element,
-                    const FVElementGeometry &fvElemGeom,
-                    int scvIdx) const
+                    const FVElementGeometry &fvGeometry,
+                    const int scvIdx) const
     {
             return porosity_;
     }
@@ -122,12 +122,12 @@ public:
      * \brief Define the tortuosity \f$\mathrm{[-]}\f$.
      *
      * \param element The finite element
-     * \param fvElemGeom The finite volume geometry
+     * \param fvGeometry The finite volume geometry
      * \param scvIdx The local index of the sub-control volume where
      */
     double tortuosity(const Element &element,
-                    const FVElementGeometry &fvElemGeom,
-                    int scvIdx) const
+                    const FVElementGeometry &fvGeometry,
+                    const int scvIdx) const
     {
             return tortuosity_;
     }
@@ -136,19 +136,19 @@ public:
      * \brief Define the dispersivity.
      *
      * \param element The finite element
-     * \param fvElemGeom The finite volume geometry
+     * \param fvGeometry The finite volume geometry
      * \param scvIdx The local index of the sub-control volume where
      */
     double dispersivity(const Element &element,
-                    const FVElementGeometry &fvElemGeom,
-                    int scvIdx) const
+                    const FVElementGeometry &fvGeometry,
+                    const int scvIdx) const
     {
         return 0;
     }
 
-    bool useTwoPointGradient(const Element &elem,
-                             int vertexI,
-                             int vertexJ) const
+    bool useTwoPointGradient(const Element &element,
+                             const int vertexI,
+                             const int vertexJ) const
     {
         return false;
     }