From fd58b779a2bf53062a4747d9e30cbeef9ea24c2a Mon Sep 17 00:00:00 2001
From: DennisGlaeser <dennis.glaeser@iws.uni-stuttgart.de>
Date: Tue, 5 Jul 2016 13:06:47 +0200
Subject: [PATCH] [box] implement flux var cache vector
---
.../implicit/box/fluxvariablescachevector.hh | 131 ++++++++++++++++++
1 file changed, 131 insertions(+)
create mode 100644 dumux/implicit/box/fluxvariablescachevector.hh
diff --git a/dumux/implicit/box/fluxvariablescachevector.hh b/dumux/implicit/box/fluxvariablescachevector.hh
new file mode 100644
index 0000000000..1208662561
--- /dev/null
+++ b/dumux/implicit/box/fluxvariablescachevector.hh
@@ -0,0 +1,131 @@
+// -*- 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 2 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
+ * \brief Base class for the volume variables vector
+ */
+#ifndef DUMUX_IMPLICIT_BOX_FLUXVARSCACHEVECTOR_HH
+#define DUMUX_IMPLICIT_BOX_FLUXVARSCACHEVECTOR_HH
+
+#include <dumux/implicit/properties.hh>
+
+namespace Dumux
+{
+
+/*!
+ * \ingroup ImplicitModel
+ * \brief Base class for the flux variables cache vector, we store one cache per face
+ */
+template<class TypeTag>
+class BoxFluxVariablesCacheVector
+{
+ using Problem = typename GET_PROP_TYPE(TypeTag, Problem);
+ using GridView = typename GET_PROP_TYPE(TypeTag, GridView);
+ using IndexType = typename GridView::IndexSet::IndexType;
+ using Element = typename GridView::template Codim<0>::Entity;
+ using FluxVariablesCache = typename GET_PROP_TYPE(TypeTag, FluxVariablesCache);
+ using SubControlVolumeFace = typename GET_PROP_TYPE(TypeTag, SubControlVolumeFace);
+
+public:
+ template <typename T = TypeTag>
+ typename std::enable_if<GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache)>::type update(Problem& problem)
+ {
+ problemPtr_ = &problem;
+ fluxVarsCache_.resize(problem.model().fvGeometries().numScvf());
+ for (const auto& element : elements(problem.gridView()))
+ {
+ // bind the geometries and volume variables to the element (all the elements in stencil)
+ problem.model().fvGeometries_().bind(element);
+
+ const auto& elementGeometry = element.geometry();
+ const auto& localBasis = problem.model().fvGeometries().feLocalBasis(elementGeometry.type());
+ const auto& fvGeometry = problem.model().fvGeometries(element);
+ for (const auto& scvf : fvGeometry.scvfs())
+ {
+ (*this)[scvf].update(problem, element, elementGeometry, localBasis, scvf);
+ }
+ }
+ }
+
+ template <typename T = TypeTag>
+ typename std::enable_if<!GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache)>::type update(Problem& problem)
+ {
+ problemPtr_ = &problem;
+ }
+
+ // Function is called by the BoxLocalJacobian prior to flux calculations on the element.
+ // We assume the FVGeometries to be bound at this point
+ void bind(const Element& element)
+ {
+ bindElement(element);
+ }
+
+ template <typename T = TypeTag>
+ typename std::enable_if<!GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache)>::type
+ bindElement(const Element& element)
+ {
+ const auto& fvGeometry = problem_().model().fvGeometries(element);
+ const auto& elementGeometry = element.geometry();
+ const auto& localBasis = problem_().model().fvGeometries().feLocalBasis(elementGeometry.type());
+
+ // temporary resizing of the cache
+ const auto numScvf = fvGeometry.numScvf();
+ fluxVarsCache_.resize(numScvf);
+ IndexType localScvfIdx = 0;
+ for (const auto& scvf : fvGeometry.scvfs())
+ fluxVarsCache_[localScvfIdx++].update(problem_(), element, elementGeometry, localBasis, scvf);
+ }
+
+ template <typename T = TypeTag>
+ typename std::enable_if<GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache)>::type
+ bindElement(const Element& element) {}
+
+ // access operators in the case of caching
+ template <typename T = TypeTag>
+ const typename std::enable_if<GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache), FluxVariablesCache>::type&
+ operator [](const SubControlVolumeFace& scvf) const
+ { return fluxVarsCache_[scvf.index()]; }
+
+ template <typename T = TypeTag>
+ typename std::enable_if<GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache), FluxVariablesCache>::type&
+ operator [](const SubControlVolumeFace& scvf)
+ { return fluxVarsCache_[scvf.index()]; }
+
+ // access operators in the case of no caching
+ template <typename T = TypeTag>
+ const typename std::enable_if<!GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache), FluxVariablesCache>::type&
+ operator [](const SubControlVolumeFace& scvf) const
+ { return fluxVarsCache_[scvf.indexInElement()]; }
+
+ template <typename T = TypeTag>
+ typename std::enable_if<!GET_PROP_VALUE(T, EnableGlobalFluxVariablesCache), FluxVariablesCache>::type&
+ operator [](const SubControlVolumeFace& scvf)
+ { return fluxVarsCache_[scvf.indexInElement()]; }
+
+private:
+ const Problem& problem_() const
+ { return *problemPtr_; }
+
+ const Problem* problemPtr_;
+ std::vector<FluxVariablesCache> fluxVarsCache_;
+};
+
+} // end namespace
+
+#endif
--
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