modalforce.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/struct/modalforce.h,v 1.14 2017/01/12 14:46:43 masarati Exp $ */
/* 
 * MBDyn (C) is a multibody analysis code. 
 * http://www.mbdyn.org
 *
 * Copyright (C) 2007-2017
 *
 * Pierangelo Masarati  <masarati@aero.polimi.it>
 * Paolo Mantegazza     <mantegazza@aero.polimi.it>
 *
 * Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
 * via La Masa, 34 - 20156 Milano, Italy
 * http://www.aero.polimi.it
 *
 * Changing this copyright notice is forbidden.
 *
 * 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 (version 2 of the License).
 * 
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* Forza */

#ifndef MODALFORCE_H
#define MODALFORCE_H

#include <vector>
#include <string>
#include "extforce.h"
#include "modal.h"

/* ModalForce - begin */

class ModalForce : virtual public Elem, public Force {
protected:
        const Modal *pModal;
        std::vector<unsigned int> modeList;
        std::vector<DriveCaller *> f;
        const Mat3xN *Mt;
        const Mat3xN *Mr;
        Vec3 F, M;

public:
        /* Costruttore */
        ModalForce(unsigned int uL,
                const Modal *pmodal,
                const std::vector<unsigned int>& modeList,
                std::vector<DriveCaller *>& f,
                const Mat3xN *Mt,
                const Mat3xN *Mr,
                flag fOut);

        virtual ~ModalForce(void);

        /* Tipo di forza */
        virtual Force::Type GetForceType(void) const { 
                return Force::MODALFORCE; 
        };
 
        void WorkSpaceDim(integer* piNumRows, integer* piNumCols) const { 
                *piNumRows = (pModal->pGetModalNode() ? 6 : 0) + modeList.size();
                *piNumCols = 1;
        };

        SubVectorHandler& AssRes(SubVectorHandler& WorkVec,
                doublereal dCoef,
                const VectorHandler& XCurr, 
                const VectorHandler& XPrimeCurr);     

        virtual void Output(OutputHandler& OH) const;

        virtual void InitialWorkSpaceDim(integer* piNumRows, integer* piNumCols) const {
                *piNumRows = 0; 
                *piNumCols = 0; 
        };
   
        /* Contributo allo jacobiano durante l'assemblaggio iniziale */
        virtual VariableSubMatrixHandler& 
        InitialAssJac(VariableSubMatrixHandler& WorkMat,
                const VectorHandler& XCurr)
        {
                WorkMat.SetNullMatrix();
                return WorkMat;
        };

        /* Contributo al residuo durante l'assemblaggio iniziale */   
        virtual SubVectorHandler& 
        InitialAssRes(SubVectorHandler& WorkVec,
                const VectorHandler& XCurr)
        {
                WorkVec.ResizeReset(0);
                return WorkVec;
        };

        /* *******PER IL SOLUTORE PARALLELO******** */        
        /* Fornisce il tipo e la label dei nodi che sono connessi all'elemento
         * utile per l'assemblaggio della matrice di connessione fra i dofs */
        virtual void
        GetConnectedNodes(std::vector<const Node *>& connectedNodes) const {
                if (pModal->pGetModalNode()) {
                        connectedNodes.resize(1);
                        connectedNodes[0] = pModal->pGetModalNode();
                } else {
                        connectedNodes.resize(0);
                }
        };
        /* ************************************************ */
};

/* ModalForce - end */

class DataManager;
class MBDynParser;

extern Elem* ReadModalForce(DataManager* pDM, 
       MBDynParser& HP, 
       unsigned int uLabel);

#endif /* MODALFORCE_H */