GCC Code Coverage Report

Directory:	../../../builds/dumux-repositories/
File:	/builds/dumux-repositories/dumux/examples/freeflowchannel/problem.hh
Date:	2024-05-04 19:09:25

	Exec	Total	Coverage
Lines:	25	28	89.3%
Functions:	2	4	50.0%
Branches:	42	114	36.8%

  
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      // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
    
      // vi: set et ts=4 sw=4 sts=4:
    
      //
    
      // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
    
      // SPDX-License-Identifier: GPL-3.0-or-later
    
      //
    
      #ifndef DUMUX_EXAMPLES_FREEFLOW_CHANNEL_PROBLEM_HH
    
      #define DUMUX_EXAMPLES_FREEFLOW_CHANNEL_PROBLEM_HH
    
      // ## Initial and boundary conditions (`problem.hh`)
    
      //
    
      // This file contains the __problem class__ which defines the initial and boundary
    
      // conditions for the Navier-Stokes single-phase flow simulation.
    
      //
    
      // [[content]]
    
      //
    
      // ### Include files
    
      //
    
      // Include the `NavierStokesStaggeredProblem` class, the base
    
      // class from which we will derive.
    
      #include <dumux/freeflow/navierstokes/staggered/problem.hh>
    
      // Include the `NavierStokesBoundaryTypes` class which specifies the boundary types set in this problem.
    
      #include <dumux/freeflow/navierstokes/boundarytypes.hh>
    
      // ### The problem class
    
      // We enter the problem class where all necessary boundary conditions and initial conditions are set for our simulation.
    
      // As we are solving a problem related to free flow, we inherit from the base class `NavierStokesStaggeredProblem`.
    
      // [[codeblock]]
    
      namespace Dumux {
    
      template <class TypeTag>
    
      1
      class ChannelExampleProblem : public NavierStokesStaggeredProblem<TypeTag>
    
      {
    
          // A few convenience aliases used throughout this class.
    
          using ParentType = NavierStokesStaggeredProblem<TypeTag>;
    
          using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    
          using FVElementGeometry = typename GridGeometry::LocalView;
    
          using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace;
    
          using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    
          using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    
          using BoundaryTypes = Dumux::NavierStokesBoundaryTypes<PrimaryVariables::size()>;
    
          using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    
          using Element = typename GridGeometry::GridView::template Codim<0>::Entity;
    
          using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
    
      public:
    
          // This is the constructor of our problem class:
    
          // Within the constructor, we set the inlet velocity to a run-time specified value.
    
          // If no run-time value is specified, we set the outlet pressure to 1.1e5 Pa.
    
      1
          ChannelExampleProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    
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      3
          : ParentType(gridGeometry)
    
          {
    
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      1
              inletVelocity_ = getParam<Scalar>("Problem.InletVelocity");
    
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      1
              outletPressure_ = getParam<Scalar>("Problem.OutletPressure", 1.1e5);
    
      1
          }
    
          // [[/codeblock]]
    
          // #### Boundary conditions
    
          // With the following function we define the __type of boundary conditions__ depending on the location.
    
          // Three types of boundary conditions can be specified: Dirichlet, Neumann or outflow boundary conditions. On
    
          // Dirichlet boundaries, the values of the primary variables need to be fixed. On Neumann boundaries,
    
          // values for derivatives need to be fixed. Outflow conditions set a gradient of zero in normal direction towards the boundary
    
          // for the respective primary variables (excluding pressure).
    
          // When Dirichlet conditions are set for the pressure, the velocity gradient
    
          // with respect to the direction normal to the boundary is automatically set to zero.
    
          // [[codeblock]]
    
      48626
          BoundaryTypes boundaryTypesAtPos(const GlobalPosition& globalPos) const
    
          {
    
      48626
              BoundaryTypes values;
    
      97252
              if (isInlet_(globalPos))
    
              {
    
                  // We specify Dirichlet boundary conditions for the velocity on the left of our domain
    
      7810
                  values.setDirichlet(Indices::velocityXIdx);
    
      7810
                  values.setDirichlet(Indices::velocityYIdx);
    
              }
    
      81632
              else if (isOutlet_(globalPos))
    
              {
    
                  // We fix the pressure on the right side of the domain
    
      9348
                  values.setDirichlet(Indices::pressureIdx);
    
              }
    
              else
    
              {
    
                  // We specify Dirichlet boundary conditions for the velocity on the remaining boundaries (lower and upper wall)
    
      31468
                  values.setDirichlet(Indices::velocityXIdx);
    
      31468
                  values.setDirichlet(Indices::velocityYIdx);
    
              }
    
      48626
              return values;
    
          }
    
          // [[/codeblock]]
    
          // The following function specifies the __values on Dirichlet boundaries__.
    
          // We need to define values for the primary variables (velocity and pressure).
    
          // [[codeblock]]
    
          PrimaryVariables dirichletAtPos(const GlobalPosition& globalPos) const
    
          {
    
              // Use the initial values as default Dirichlet values
    
      24370
              PrimaryVariables values = initialAtPos(globalPos);
    
              // Set a no-slip condition at the top and bottom wall of the channel
    
      48740
              if (!isInlet_(globalPos))
    
      35808
                  values[Indices::velocityXIdx] = 0.0;
    
              return values;
    
          }
    
          // [[/codeblock]]
    
          // The following function defines the initial conditions.
    
          // [[codeblock]]
    
      ✗
          PrimaryVariables initialAtPos(const GlobalPosition& globalPos) const
    
          {
    
      42332
              PrimaryVariables values;
    
              // Set the pressure and velocity values
    
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      755018
              values[Indices::pressureIdx] = outletPressure_;
    
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      755018
              values[Indices::velocityXIdx] = inletVelocity_;
    
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      1487154
              values[Indices::velocityYIdx] = 0.0;
    
      ✗
              return values;
    
          }
    
          // [[/codeblock]]
    
      // The inlet is on the left side of the physical domain.
    
      // [[codeblock]]
    
      private:
    
      ✗
          bool isInlet_(const GlobalPosition& globalPos) const
    
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      143016
          { return globalPos[0] < eps_; }
    
          // [[/codeblock]]
    
          // The outlet is on the right side of the physical domain.
    
          bool isOutlet_(const GlobalPosition& globalPos) const
    
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      204080
          { return globalPos[0] > this->gridGeometry().bBoxMax()[0] - eps_; }
    
          // Finally, private variables are declared:
    
          // [[codeblock]]
    
          static constexpr Scalar eps_ = 1e-6;
    
          Scalar inletVelocity_;
    
          Scalar outletPressure_;
    
      }; // end class definition of ChannelExampleProblem
    
      } // end namespace Dumux
    
      // [[/codeblock]]
    
      // [[/content]]
    
      #endif

Line	Branch	Exec	Source
1			// -- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 --
2			// vi: set et ts=4 sw=4 sts=4:
3			//
4			// SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
5			// SPDX-License-Identifier: GPL-3.0-or-later
6			//
7
8			#ifndef DUMUX_EXAMPLES_FREEFLOW_CHANNEL_PROBLEM_HH
9			#define DUMUX_EXAMPLES_FREEFLOW_CHANNEL_PROBLEM_HH
10
11			// ## Initial and boundary conditions (`problem.hh`)
12			//
13			// This file contains the __problem class__ which defines the initial and boundary
14			// conditions for the Navier-Stokes single-phase flow simulation.
15			//
16			// [[content]]
17			//
18			// ### Include files
19			//
20			// Include the `NavierStokesStaggeredProblem` class, the base
21			// class from which we will derive.
22			#include <dumux/freeflow/navierstokes/staggered/problem.hh>
23			// Include the `NavierStokesBoundaryTypes` class which specifies the boundary types set in this problem.
24			#include <dumux/freeflow/navierstokes/boundarytypes.hh>
25
26			// ### The problem class
27			// We enter the problem class where all necessary boundary conditions and initial conditions are set for our simulation.
28			// As we are solving a problem related to free flow, we inherit from the base class `NavierStokesStaggeredProblem`.
29			// [[codeblock]]
30			namespace Dumux {
31
32			template <class TypeTag>
33		1	class ChannelExampleProblem : public NavierStokesStaggeredProblem<TypeTag>
34			{
35			// A few convenience aliases used throughout this class.
36			using ParentType = NavierStokesStaggeredProblem<TypeTag>;
37			using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
38			using FVElementGeometry = typename GridGeometry::LocalView;
39			using SubControlVolumeFace = typename GridGeometry::SubControlVolumeFace;
40			using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
41			using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
42			using BoundaryTypes = Dumux::NavierStokesBoundaryTypes<PrimaryVariables::size()>;
43			using Scalar = GetPropType<TypeTag, Properties::Scalar>;
44
45			using Element = typename GridGeometry::GridView::template Codim<0>::Entity;
46			using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
47
48			public:
49			// This is the constructor of our problem class:
50			// Within the constructor, we set the inlet velocity to a run-time specified value.
51			// If no run-time value is specified, we set the outlet pressure to 1.1e5 Pa.
52		1	ChannelExampleProblem(std::shared_ptr<const GridGeometry> gridGeometry)
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54			{
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56	1/2 ✓ Branch 1 taken 1 times. ✗ Branch 2 not taken.	1	outletPressure_ = getParam<Scalar>("Problem.OutletPressure", 1.1e5);
57		1	}
58			// [[/codeblock]]
59
60			// #### Boundary conditions
61			// With the following function we define the __type of boundary conditions__ depending on the location.
62			// Three types of boundary conditions can be specified: Dirichlet, Neumann or outflow boundary conditions. On
63			// Dirichlet boundaries, the values of the primary variables need to be fixed. On Neumann boundaries,
64			// values for derivatives need to be fixed. Outflow conditions set a gradient of zero in normal direction towards the boundary
65			// for the respective primary variables (excluding pressure).
66			// When Dirichlet conditions are set for the pressure, the velocity gradient
67			// with respect to the direction normal to the boundary is automatically set to zero.
68			// [[codeblock]]
69		48626	BoundaryTypes boundaryTypesAtPos(const GlobalPosition& globalPos) const
70			{
71		48626	BoundaryTypes values;
72
73		97252	if (isInlet_(globalPos))
74			{
75			// We specify Dirichlet boundary conditions for the velocity on the left of our domain
76		7810	values.setDirichlet(Indices::velocityXIdx);
77		7810	values.setDirichlet(Indices::velocityYIdx);
78			}
79		81632	else if (isOutlet_(globalPos))
80			{
81			// We fix the pressure on the right side of the domain
82		9348	values.setDirichlet(Indices::pressureIdx);
83			}
84			else
85			{
86			// We specify Dirichlet boundary conditions for the velocity on the remaining boundaries (lower and upper wall)
87		31468	values.setDirichlet(Indices::velocityXIdx);
88		31468	values.setDirichlet(Indices::velocityYIdx);
89			}
90
91		48626	return values;
92			}
93			// [[/codeblock]]
94
95			// The following function specifies the __values on Dirichlet boundaries__.
96			// We need to define values for the primary variables (velocity and pressure).
97			// [[codeblock]]
98			PrimaryVariables dirichletAtPos(const GlobalPosition& globalPos) const
99			{
100			// Use the initial values as default Dirichlet values
101		24370	PrimaryVariables values = initialAtPos(globalPos);
102
103			// Set a no-slip condition at the top and bottom wall of the channel
104		48740	if (!isInlet_(globalPos))
105		35808	values[Indices::velocityXIdx] = 0.0;
106
107			return values;
108			}
109			// [[/codeblock]]
110
111			// The following function defines the initial conditions.
112			// [[codeblock]]
113		✗	PrimaryVariables initialAtPos(const GlobalPosition& globalPos) const
114			{
115		42332	PrimaryVariables values;
116
117			// Set the pressure and velocity values
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121
122		✗	return values;
123			}
124			// [[/codeblock]]
125
126			// The inlet is on the left side of the physical domain.
127			// [[codeblock]]
128			private:
129		✗	bool isInlet_(const GlobalPosition& globalPos) const
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131			// [[/codeblock]]
132
133			// The outlet is on the right side of the physical domain.
134			bool isOutlet_(const GlobalPosition& globalPos) const
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136
137			// Finally, private variables are declared:
138			// [[codeblock]]
139			static constexpr Scalar eps_ = 1e-6;
140			Scalar inletVelocity_;
141			Scalar outletPressure_;
142
143			}; // end class definition of ChannelExampleProblem
144			} // end namespace Dumux
145			// [[/codeblock]]
146			// [[/content]]
147			#endif
148