[Mat] Corrected some documentations

MaterialLib/Fluid/Density/LinearTemperatureDependentDensity.h

@@ -28,7 +28,11 @@ namespace Fluid
 class LinearTemperatureDependentDensity final : public FluidProperty
 {
 public:
-    /// \param parameters An array contains the five parameters.
+    /** \param parameters An array contains the three parameters:
+     *                     [0] $f\rho_0$f
+     *                     [1] $fT_0$f
+     *                     [2] $f\beta$f
+     */
     explicit LinearTemperatureDependentDensity(std::array<double,3>& parameters)
     : _rho0(parameters[0]),_temperature0(parameters[1]),_beta(parameters[2])
     {

MaterialLib/Fluid/Density/LiquidDensity.h

@@ -52,7 +52,13 @@ namespace Fluid
 class LiquidDensity final : public FluidProperty
 {
 public:
-    /// \param parameters An array contains the five parameters.
+    /** \param parameters An array contains the five parameters:
+     *                     [0] $f \beta $f
+     *                     [1] $f \rho_0 $f
+     *                     [2] $f T_0 $f
+     *                     [3] $f p_0 $f
+     *                     [4] $f E_0 $f
+     */
     explicit LiquidDensity(std::array<double,5>& parameters)
     :
     _beta(parameters[0]),

MaterialLib/Fluid/Density/createFluidDensityModel.cpp

@@ -24,12 +24,12 @@ namespace MaterialLib
 {
 namespace Fluid
 {
-/*
-    config  ConfigTree object which contains the input data
+/*!
+    \param config  ConfigTree object which contains the input data
                    including  <type>fluid</type> and it has
                    a tag of <density>
 */
-std::unique_ptr<FluidProperty> createLiquidDensity(BaseLib::ConfigTree const& config)
+static std::unique_ptr<FluidProperty> createLiquidDensity(BaseLib::ConfigTree const& config)
 {
     std::array<double, 5> parameters =
     {
@@ -47,12 +47,12 @@ std::unique_ptr<FluidProperty> createLiquidDensity(BaseLib::ConfigTree const& co
     return std::unique_ptr<FluidProperty>(new LiquidDensity(parameters));
 }
 
-/*
-    config  ConfigTree object which contains the input data
+/*!
+    \param config  ConfigTree object which contains the input data
                    including  <type>fluid</type> and it has
                    a tag of <density>
 */
-std::unique_ptr<FluidProperty> createLinearTemperatureDependentDensity
+static std::unique_ptr<FluidProperty> createLinearTemperatureDependentDensity
                                      (BaseLib::ConfigTree const& config)
 {
     std::array<double, 3> parameters =

MaterialLib/Fluid/FluidProperty.h

@@ -26,11 +26,11 @@ enum class PropertyVariableType
     T = 0,///< temperature.
     pl = 1,///< pressure of the liquid phase (1st phase for some cases).
     pg = 2,///< pressure of the gas phase (2nd phase for some cases).
-    vars_num = 3 ///< Number of property variables.
+    number_of_variables = 3 ///< Number of property variables.
 };
 
 const unsigned PropertyVariableNumber
-        = static_cast<unsigned> (PropertyVariableType::vars_num);
+        = static_cast<unsigned> (PropertyVariableType::number_of_variables);
 
 /// Base class of fluid density properties
 class FluidProperty
@@ -55,7 +55,7 @@ public:
     /// The first argument is an array of variables, and the order of the array
     /// elements is given in enum class PropertyVariableType.
     /// The second argument is the variable type indicating which partial derivative
-    /// to be get.
+    /// to be calculated.
     virtual double getdValue(const ArrayType& /* var_vals*/,
             const PropertyVariableType /* var */) const = 0;
 };