picard.h

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//---------------------------------------------------------------------------
//
//    FCST: Fuel Cell Simulation Toolbox
//
//    Copyright (C) 2009-13 by Energy Systems Design Laboratory, University of Alberta
//
//    This software is distributed under the MIT License.
//    For more information, see the README file in /doc/LICENSE
//
//    - Class: picard.h
//    - Description: Picard Solver for Non-linear problems
//    - Developers: Mayank Sabharwal
//
//---------------------------------------------------------------------------

#ifndef __deal2__appframe__picard_h
#define __deal2__appframe__picard_h

#include <solvers/picard_base.h>

namespace FuelCell
{
namespace ApplicationCore
{
    class Picard : public PicardBase
    {
    public:
        Picard (ApplicationBase& app);

        virtual void declare_parameters (ParameterHandler& param);

        virtual void initialize (ParameterHandler& param);

        virtual void solve(FuelCell::ApplicationCore::FEVector& u,
                           const FuelCell::ApplicationCore::FEVectors& in_vectors);
    private:
        
        bool underrelaxation;
        
        double alpha;
        
        double gamma_min;
        
        void compute_errors ( FEVector &u, FEVector &u_n, FEVector &error, double &abs_error, double &rel_error, double &delta);


    };
}
}

#endif