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Commit a78e605e authored by Timo Koch's avatar Timo Koch
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Merge branch 'feature/internal-dirichlet-constraints' into 'master' 

[disc] Enable optional internal Dirichlet constraints

Closes #705

See merge request !1664
parents 06897d0e 54d8ad20
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1 merge request!1664[disc] Enable optional internal Dirichlet constraints
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dumux/assembly/boxlocalassembler.hh
+ 12
− 2
View file @ a78e605e
......@@ -149,7 +149,7 @@ public:
}
};
this->asImp_().evalDirichletBoundaries(applyDirichlet);
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -173,7 +173,7 @@ public:
jac[scvI.dofIndex()][scvI.dofIndex()][eqIdx][pvIdx] = 1.0;
};
this->asImp_().evalDirichletBoundaries(applyDirichlet);
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -195,7 +195,17 @@ public:
res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx];
};
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
//! Enforce Dirichlet constraints
template<typename ApplyFunction>
void enforceDirichletConstraints(const ApplyFunction& applyDirichlet)
{
// enforce Dirichlet boundary conditions
this->asImp_().evalDirichletBoundaries(applyDirichlet);
// take care of internal Dirichlet constraints (if enabled)
this->asImp_().enforceInternalDirichletConstraints(applyDirichlet);
}
/*!
......
dumux/assembly/cclocalassembler.hh
+ 46
− 0
View file @ a78e605e
......@@ -86,6 +86,20 @@ public:
{
res[globalI] = this->asImp_().assembleJacobianAndResidualImpl(jac, gridVariables); // forward to the internal implementation
}
auto applyDirichlet = [&] (const auto& scvI,
const auto& dirichletValues,
const auto eqIdx,
const auto pvIdx)
{
res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx];
auto& row = jac[scvI.dofIndex()];
for (auto col = row.begin(); col != row.end(); ++col)
row[col.index()][eqIdx] = 0.0;
row[scvI.dofIndex()][eqIdx][pvIdx] = 1.0;
};
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -96,6 +110,19 @@ public:
{
this->asImp_().bindLocalViews();
this->asImp_().assembleJacobianAndResidualImpl(jac, gridVariables); // forward to the internal implementation
auto applyDirichlet = [&] (const auto& scvI,
const auto& dirichletValues,
const auto eqIdx,
const auto pvIdx)
{
auto& row = jac[scvI.dofIndex()];
for (auto col = row.begin(); col != row.end(); ++col)
row[col.index()][eqIdx] = 0.0;
row[scvI.dofIndex()][eqIdx][pvIdx] = 1.0;
};
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -106,6 +133,25 @@ public:
this->asImp_().bindLocalViews();
const auto globalI = this->assembler().fvGridGeometry().elementMapper().index(this->element());
res[globalI] = this->asImp_().evalLocalResidual()[0]; // forward to the internal implementation
auto applyDirichlet = [&] (const auto& scvI,
const auto& dirichletValues,
const auto eqIdx,
const auto pvIdx)
{
res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx];
};
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
//! Enforce Dirichlet constraints
template<typename ApplyFunction>
void enforceDirichletConstraints(const ApplyFunction& applyDirichlet)
{
// currently Dirichlet boundary conditions are weakly enforced for cc-schemes
// so here, we only take care of internal Dirichlet constraints (if enabled)
this->asImp_().enforceInternalDirichletConstraints(applyDirichlet);
}
};
......
dumux/assembly/fvlocalassemblerbase.hh
+ 25
− 0
View file @ a78e605e
......@@ -61,6 +61,7 @@ class FVLocalAssemblerBase
using VolumeVariables = GetPropType<TypeTag, Properties::VolumeVariables>;
using ElementFluxVariablesCache = typename GetPropType<TypeTag, Properties::GridFluxVariablesCache>::LocalView;
using Element = typename GridView::template Codim<0>::Entity;
static constexpr auto numEq = GetPropType<TypeTag, Properties::ModelTraits>::numEq();
public:
using LocalResidual = GetPropType<TypeTag, Properties::LocalResidual>;
......@@ -210,6 +211,30 @@ public:
}
}
/*!
* \brief Enforces Dirichlet constraints if enabled in the problem
*/
template<typename ApplyFunction, class P = Problem, typename std::enable_if_t<P::enableInternalDirichletConstraints(), int> = 0>
void enforceInternalDirichletConstraints(const ApplyFunction& applyDirichlet)
{
// enforce Dirichlet constraints strongly by overwriting partial derivatives with 1 or 0
// and set the residual to (privar - dirichletvalue)
for (const auto& scvI : scvs(this->fvGeometry()))
{
if (this->problem().hasInternalDirichletConstraint(this->element(), scvI))
{
const auto dirichletValues = this->problem().internalDirichlet(this->element(), scvI);
// set the Dirichlet conditions in residual and jacobian
for (int eqIdx = 0; eqIdx < numEq; ++eqIdx)
applyDirichlet(scvI, dirichletValues, eqIdx, eqIdx);
}
}
}
template<typename ApplyFunction, class P = Problem, typename std::enable_if_t<!P::enableInternalDirichletConstraints(), int> = 0>
void enforceInternalDirichletConstraints(const ApplyFunction& applyDirichlet)
{}
//! The problem
const Problem& problem() const
{ return assembler_.problem(); }
......
dumux/common/fvproblem.hh
+ 19
− 0
View file @ a78e605e
......@@ -246,6 +246,25 @@ public:
"a dirichlet() or a dirichletAtPos() method.");
}
/*!
* \brief If internal Dirichlet contraints are enabled
* Enables / disables internal (non-boundary) Dirichlet constraints. If this is overloaded
* to return true, the assembler calls problem.hasInternalDirichletConstraint(element, scv).
* This means you have to implement the following member function
*
* bool hasInternalDirichletConstraint(const Element& element, const SubControlVolume& scv) const;
*
* which returns a bool signifying whether the dof associated with the element/scv pair is contraint.
* If true is returned for a dof, the assembler calls problem.internalDiririchlet(element, scv).
* This means you have to additionally implement the following member function
*
* PrimaryVariables internalDiririchlet(const Element& element, const SubControlVolume& scv) const;
*
* which returns the enforced Dirichlet values the dof associated with the element/scv pair.
*/
static constexpr bool enableInternalDirichletConstraints()
{ return false; }
/*!
* \brief Evaluate the boundary conditions for a neumann
* boundary segment.
......
dumux/multidomain/subdomainboxlocalassembler.hh
+ 12
− 2
View file @ a78e605e
......@@ -152,7 +152,7 @@ public:
};
// incorporate Dirichlet BCs
this->asImp_().evalDirichletBoundaries(applyDirichlet);
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -196,7 +196,7 @@ public:
res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx];
};
this->asImp_().evalDirichletBoundaries(applyDirichlet);
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -226,6 +226,16 @@ public:
ElementResidualVector evalLocalSourceResidual(const Element& neighbor) const
{ return this->evalLocalSourceResidual(neighbor, implicit ? this->curElemVolVars() : this->prevElemVolVars()); }
//! Enforce Dirichlet constraints
template<typename ApplyFunction>
void enforceDirichletConstraints(const ApplyFunction& applyDirichlet)
{
// enforce Dirichlet boundary conditions
this->asImp_().evalDirichletBoundaries(applyDirichlet);
// take care of internal Dirichlet constraints (if enabled)
this->asImp_().enforceInternalDirichletConstraints(applyDirichlet);
}
/*!
* \brief Incorporate Dirichlet boundary conditions
* \param applyDirichlet Lambda function for the BC incorporation on an scv
......
dumux/multidomain/subdomaincclocalassembler.hh
+ 33
− 0
View file @ a78e605e
......@@ -127,6 +127,20 @@ public:
if (i != id)
this->assembleJacobianCoupling(i, jacRow, res[globalI], gridVariables);
});
auto applyDirichlet = [&] (const auto& scvI,
const auto& dirichletValues,
const auto eqIdx,
const auto pvIdx)
{
res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx];
auto& row = jacRow[domainId][scvI.dofIndex()];
for (auto col = row.begin(); col != row.end(); ++col)
row[col.index()][eqIdx] = 0.0;
row[scvI.dofIndex()][eqIdx][pvIdx] = 1.0;
};
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -158,6 +172,16 @@ public:
this->asImp_().bindLocalViews();
const auto globalI = this->fvGeometry().fvGridGeometry().elementMapper().index(this->element());
res[globalI] = this->evalLocalResidual()[0]; // forward to the internal implementation
auto applyDirichlet = [&] (const auto& scvI,
const auto& dirichletValues,
const auto eqIdx,
const auto pvIdx)
{
res[scvI.dofIndex()][eqIdx] = this->curElemVolVars()[scvI].priVars()[pvIdx] - dirichletValues[pvIdx];
};
this->asImp_().enforceDirichletConstraints(applyDirichlet);
}
/*!
......@@ -243,6 +267,15 @@ public:
const Problem& problem() const
{ return this->assembler().problem(domainId); }
//! Enforce Dirichlet constraints
template<typename ApplyFunction>
void enforceDirichletConstraints(const ApplyFunction& applyDirichlet)
{
// currently Dirichlet boundary conditions are weakly enforced for cc-schemes
// so here, we only take care of internal Dirichlet constraints (if enabled)
this->asImp_().enforceInternalDirichletConstraints(applyDirichlet);
}
//! return reference to the coupling manager
CouplingManager& couplingManager()
{ return couplingManager_; }
......
test/porousmediumflow/1p/implicit/CMakeLists.txt
+ 1
− 0
View file @ a78e605e
add_subdirectory(convergence)
add_subdirectory(pointsources)
add_subdirectory(incompressible)
add_subdirectory(internaldirichlet)
add_subdirectory(compressible)
add_subdirectory(periodicbc)
add_subdirectory(fracture2d3d)
......
test/porousmediumflow/1p/implicit/incompressible/main.cc
+ 1
− 0
View file @ a78e605e
......@@ -55,6 +55,7 @@
#include <dumux/assembly/fvassembler.hh>
#include "problem.hh"
#include "../internaldirichlet/problem.hh"
//! Function to write out the scv-wise velocities (overload for mpfa)
template<class FVGridGeometry, class GridVariables, class Sol,
......
test/porousmediumflow/1p/implicit/incompressible/problem.hh
+ 1
− 5
View file @ a78e605e
......@@ -53,7 +53,6 @@ namespace Dumux {
template<class TypeTag> class OnePTestProblem;
namespace Properties {
// create the type tag nodes
// Create new type tags
namespace TTag {
struct OnePIncompressible { using InheritsFrom = std::tuple<OneP>; };
......@@ -111,10 +110,7 @@ struct Scalar<TypeTag, TTag::OnePIncompressibleTpfaQuad> { using type = Quad; };
/*!
* \ingroup OnePTests
* \brief Test problem for the incompressible one-phase model:
*
* Can be run as <tt>./test_box1pfv</tt> or
* <tt>./test_cc1pfv</tt>
* \brief Test problem for the incompressible one-phase model
*/
template<class TypeTag>
class OnePTestProblem : public PorousMediumFlowProblem<TypeTag>
......
test/porousmediumflow/1p/implicit/internaldirichlet/CMakeLists.txt 0 → 100644
+ 21
− 0
View file @ a78e605e
dune_add_test(NAME test_1p_internaldirichlet_tpfa
SOURCES ${CMAKE_SOURCE_DIR}/test/porousmediumflow/1p/implicit/incompressible/main.cc
LABELS porousmediumflow 1p
COMPILE_DEFINITIONS TYPETAG=OnePInternalDirichletTpfa
COMPILE_DEFINITIONS NUMDIFFMETHOD=DiffMethod::analytic
COMMAND ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
CMD_ARGS --script fuzzy
--files ${CMAKE_SOURCE_DIR}/test/references/test_1p_internaldirichlet_tpfa-reference.vtu
${CMAKE_CURRENT_BINARY_DIR}/test_1p_internaldirichlet_tpfa-00001.vtu
--command "${CMAKE_CURRENT_BINARY_DIR}/test_1p_internaldirichlet_tpfa ${CMAKE_SOURCE_DIR}/test/porousmediumflow/1p/implicit/incompressible/params.input -Problem.Name test_1p_internaldirichlet_tpfa -Problem.EnableGravity false")
dune_add_test(NAME test_1p_internaldirichlet_box
SOURCES ${CMAKE_SOURCE_DIR}/test/porousmediumflow/1p/implicit/incompressible/main.cc
LABELS porousmediumflow 1p
COMPILE_DEFINITIONS TYPETAG=OnePInternalDirichletBox
COMPILE_DEFINITIONS NUMDIFFMETHOD=DiffMethod::analytic
COMMAND ${CMAKE_SOURCE_DIR}/bin/testing/runtest.py
CMD_ARGS --script fuzzy
--files ${CMAKE_SOURCE_DIR}/test/references/test_1p_internaldirichlet_box-reference.vtu
${CMAKE_CURRENT_BINARY_DIR}/test_1p_internaldirichlet_box-00001.vtu
--command "${CMAKE_CURRENT_BINARY_DIR}/test_1p_internaldirichlet_box ${CMAKE_SOURCE_DIR}/test/porousmediumflow/1p/implicit/incompressible/params.input -Problem.Name test_1p_internaldirichlet_box -Problem.EnableGravity false")
test/porousmediumflow/1p/implicit/internaldirichlet/problem.hh 0 → 100644
+ 140
− 0
View file @ a78e605e
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*****************************************************************************
* See the file COPYING for full copying permissions. *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*****************************************************************************/
/*!
* \file
* \ingroup OnePTests
* \brief A test for internal Dirichlet constraints
*/
#ifndef DUMUX_INCOMPRESSIBLE_ONEP_TEST_PROBLEM_INTERNAL_DIRICHLET_HH
#define DUMUX_INCOMPRESSIBLE_ONEP_TEST_PROBLEM_INTERNAL_DIRICHLET_HH
#include <test/porousmediumflow/1p/implicit/incompressible/problem.hh>
namespace Dumux {
// forward declarations
template<class TypeTag> class OnePTestProblemInternalDirichlet;
namespace Properties {
// Create new type tags
namespace TTag {
struct OnePInternalDirichlet {};
struct OnePInternalDirichletTpfa { using InheritsFrom = std::tuple<OnePInternalDirichlet, OnePIncompressibleTpfa>; };
struct OnePInternalDirichletBox { using InheritsFrom = std::tuple<OnePInternalDirichlet, OnePIncompressibleBox>; };
} // end namespace TTag
// Set the problem type
template<class TypeTag>
struct Problem<TypeTag, TTag::OnePInternalDirichlet>
{ using type = OnePTestProblemInternalDirichlet<TypeTag>; };
} // end namespace Properties
/*!
* \ingroup OnePTests
* \brief A test for internal Dirichlet constraints
*/
template<class TypeTag>
class OnePTestProblemInternalDirichlet : public OnePTestProblem<TypeTag>
{
using ParentType = OnePTestProblem<TypeTag>;
using GridView = GetPropType<TypeTag, Properties::GridView>;
using Element = typename GridView::template Codim<0>::Entity;
using Scalar = GetPropType<TypeTag, Properties::Scalar>;
using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
using NeumannValues = GetPropType<TypeTag, Properties::NumEqVector>;
using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
using FVGridGeometry = GetPropType<TypeTag, Properties::FVGridGeometry>;
using SubControlVolume = typename FVGridGeometry::SubControlVolume;
using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
public:
OnePTestProblemInternalDirichlet(std::shared_ptr<const FVGridGeometry> fvGridGeometry)
: ParentType(fvGridGeometry)
{}
/*!
* \brief Specifies which kind of boundary condition should be
* used for which equation on a given boundary control volume.
*
* \param globalPos The position of the center of the finite volume
*/
BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
{
BoundaryTypes values;
values.setAllNeumann();
return values;
}
/*!
* \brief Evaluate the boundary conditions for a neumann
* boundary segment.
*
* \param globalPos The position of the boundary face's integration point in global coordinates
*
* Negative values mean influx.
* E.g. for the mass balance that would be the mass flux in \f$ [ kg / (m^2 \cdot s)] \f$.
*/
NeumannValues neumannAtPos(const GlobalPosition& globalPos) const
{
const auto& gg = this->fvGridGeometry();
if (globalPos[0] < gg.bBoxMin()[0] + eps_)
return NeumannValues(1e3);
else if (globalPos[1] < gg.bBoxMin()[1] + eps_)
return NeumannValues(-1e3);
else
return NeumannValues(0.0);
}
//! Enable internal Dirichlet constraints
static constexpr bool enableInternalDirichletConstraints()
{ return true; }
/*!
* \brief Tag a degree of freedom to carry internal Dirichlet constraints.
* If true is returned for a dof, the equation for this dof is replaced
* by the constraint that its primary variable values must match the
* user-defined values obtained from the function internalDirichlet(),
* which must be defined in the problem.
*
* \param element The finite element
* \param scv The sub-control volume
*/
bool hasInternalDirichletConstraint(const Element& element, const SubControlVolume& scv) const
{
// the pure Neumann problem is only defined up to a constant
// we create a well-posed problem by fixing the pressure at one dof in the middle of the domain
return (scv.dofIndex() == static_cast<std::size_t>(this->fvGridGeometry().numDofs()/2));
}
/*!
* \brief Define the values of internal Dirichlet constraints for a degree of freedom.
* \param element The finite element
* \param scv The sub-control volume
*/
PrimaryVariables internalDirichlet(const Element& element, const SubControlVolume& scv) const
{ return PrimaryVariables(1e5); }
private:
static constexpr Scalar eps_ = 1.5e-7;
};
} // end namespace Dumux
#endif
test/references/test_1p_internaldirichlet_box-reference.vtu 0 → 100644
+ 130
− 0
View file @ a78e605e
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test/references/test_1p_internaldirichlet_tpfa-reference.vtu 0 → 100644
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− 0
View file @ a78e605e
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