FluidSolver.hpp

/* Copyright (c) 2012 David Sichau <mail"at"sichau"dot"eu>

   Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the
   "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish,
   distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to
   the following conditions:

   The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
   LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
   NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef FLUIDSOLVER_HPP
#define FLUIDSOLVER_HPP

#include <LbmLib/include/Field.hpp>
#include <LbmLib/include/solver/AbstractSolver.hpp>
#include <array>
#include <string>
namespace LbmLib {
namespace nodes {
class PhysicalNode;
}

namespace solver {
class FluidSolver : public AbstractSolver {
 public:
    explicit FluidSolver(const nodes::PhysicalNode& physicalNode);
    ~FluidSolver() {}

    virtual void loadSolver(std::stringstream* const stream);

    virtual void writeSolver(std::ostream* const stream);

    virtual void collide();

    virtual void advect();

    virtual double& accessDistribution(const Direction& dir);

    virtual void rescaleDistributions(const double factor);

    double getRho() const;

    const Field<double>& getVelocity() const;

    void setVelocity(Field<double> velocity);

    virtual void initSolver();

    void addForce(Field<double> f);

    void resetForce();

    void addMass(double mass);

 private:
    void initWithVelocity();

    void localSwap();

    const nodes::PhysicalNode& physicalNode_;
    std::array<double, 9> distributions_;
    Field<double> velocity_;
    Field<double> force_;
    bool velocityInit_;
    static const DirectionIterator dirIter_;
    double rhoToAdd_;
};
}
}  // end namespace
#endif  // FLUIDSOLVER_HPP