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PointSource.h
// Copyright (C) 2011 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
#ifndef __POINT_SOURCE_H
#define __POINT_SOURCE_H
#include <memory>
#include <utility>
#include <vector>
#include <dolfin/geometry/Point.h>
namespace dolfin
{
// Forward declarations
class FunctionSpace;
class GenericMatrix;
class GenericVector;
class Mesh;
class PointSource
{
public:
PointSource(std::shared_ptr<const FunctionSpace> V, const Point& p,
double magnitude=1.0);
PointSource(std::shared_ptr<const FunctionSpace> V,
const std::vector<std::pair<const Point*, double>> sources);
PointSource(std::shared_ptr<const FunctionSpace> V0,
std::shared_ptr<const FunctionSpace> V1,
const Point& p,
double magnitude=1.0);
PointSource(std::shared_ptr<const FunctionSpace> V0,
std::shared_ptr<const FunctionSpace> V1,
const std::vector<std::pair<const Point*, double>> sources);
~PointSource();
void apply(GenericVector& b);
void apply(GenericMatrix& A);
private:
// FIXME: This should probably be static
// Collective MPI method to distribute sources to correct processes
void distribute_sources(const Mesh& mesh,
const std::vector<std::pair<Point, double>>& sources);
// Check that function space is scalar
static void check_space_supported(const FunctionSpace& V);
// The function spaces
std::shared_ptr<const FunctionSpace> _function_space0;
std::shared_ptr<const FunctionSpace> _function_space1;
// Source term - pair of points and magnitude
std::vector<std::pair<Point, double>> _sources;
};
}
#endif
dolfin::FunctionSpace
Definition FunctionSpace.h:54
dolfin::GenericMatrix
This class defines a common interface for matrices.
Definition GenericMatrix.h:47
dolfin::GenericVector
This class defines a common interface for vectors.
Definition GenericVector.h:48
dolfin::Mesh
Definition Mesh.h:84
dolfin::PointSource::PointSource
PointSource(std::shared_ptr< const FunctionSpace > V, const Point &p, double magnitude=1.0)
Create point source at given point of given magnitude.
Definition PointSource.cpp:37
dolfin::PointSource::~PointSource
~PointSource()
Destructor.
Definition PointSource.cpp:116
dolfin::PointSource::apply
void apply(GenericVector &b)
Apply (add) point source to right-hand side vector.
Definition PointSource.cpp:206
dolfin::Point
Definition Point.h:41
dolfin
Definition adapt.h:30