105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_FLOWBCMANAGER_HEADER_INCLUDED
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#define OPM_FLOWBCMANAGER_HEADER_INCLUDED
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#include <opm/core/pressure/flow_bc.h>
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struct UnstructuredGrid;
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namespace Opm
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{
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/// This class manages a FlowBoundaryConditions struct in the
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/// sense that it encapsulates creation and destruction of the
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/// data structure.
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/// The resulting struct is available through the c_bcs() method.
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class FlowBCManager
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{
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public:
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/// Default constructor sets up empty boundary conditions.
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/// By convention, this is equivalent to all-noflow conditions.
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FlowBCManager();
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/// Destructor.
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~FlowBCManager();
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/// Remove all appended BCs.
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/// By convention, BCs are now equivalent to all-noflow conditions.
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void clear();
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/// Append a single boundary condition.
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/// If the type is BC_NOFLOW the value argument is not used.
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/// If the type is BC_PRESSURE the value argument is a pressure value.
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/// If the type is BC_FLUX_TOTVOL the value argument is a total flux value (m^3/s).
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/// Note: unset boundary conditions are noflow by convention,
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/// so it is normally not necessary to explicitly append
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/// BC_NOFLOW conditions. However, it may make sense to do so
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/// if the bc will change during a simulation run.
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/// Note: if normal velocity bcs are desired, convert to
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/// fluxes by multiplying with face area.
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void append(const FlowBCType type,
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const int face,
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const double value);
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/// Defines the canonical sides for logical cartesian grids.
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enum Side { Xmin, Xmax, Ymin, Ymax, Zmin, Zmax };
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/// Add BC_PRESSURE boundary conditions to all faces on a given side.
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/// The grid must have a logical cartesian structure, and grid
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/// faces must be tagged (i.e. grid.cell_facetag must be
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/// non-null). Only the set of faces adjacent to cells with
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/// minimum/maximum I/J/K coordinate (depending on side) are
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/// considered.
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void pressureSide(const UnstructuredGrid& grid,
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const Side side,
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const double pressure);
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/// Add BC_FLUX_TOTVOL boundary conditions to all faces on a given side.
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/// The grid must have a logical cartesian structure, and grid
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/// faces must be tagged (i.e. grid.cell_facetag must be
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/// non-null). Only the set of faces adjacent to cells with
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/// minimum/maximum I/J/K coordinate (depending on side) are
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/// considered.
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/// The flux specified is taken to be the total flux through
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/// the side, each individual face receiving a part of the
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/// total flux in proportion to its area, so that all faces
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/// will have identical normal velocities.
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void fluxSide(const UnstructuredGrid& grid,
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const Side side,
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const double flux);
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/// Access the managed boundary conditions.
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/// The method is named similarly to c_str() in std::string,
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/// to make it clear that we are returning a C-compatible struct.
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const FlowBoundaryConditions* c_bcs() const;
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private:
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// Disable copying and assignment.
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FlowBCManager(const FlowBCManager& other);
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FlowBCManager& operator=(const FlowBCManager& other);
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// The managed struct.
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FlowBoundaryConditions* bc_;
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};
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} // namespace Opm
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#endif // OPM_FLOWBCMANAGER_HEADER_INCLUDED
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