strext.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/struct/strext.h,v 1.35 2017/01/12 14:46:44 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 STREXT_H
#define STREXT_H

#include <vector>
#include <string>

#include "extforce.h"

/* StructExtForce - begin */

class StructExtForce : virtual public Elem, public ExtForce {
        // hack to recycle SendToStream for echo
        friend Elem* ReadStructExtForce(DataManager* pDM, MBDynParser& HP, unsigned int uLabel);

protected:
        const StructNode *pRefNode;
        bool bUseReferenceNodeForces;
        bool bRotateReferenceNodeForces;
        Vec3 F0, M0;
        Vec3 F1, M1;
        Vec3 F2, M2;
        unsigned uOutputFlags;

public:
        struct PointData {
                unsigned uLabel;
                const StructNode *pNode;
                Vec3 Offset;
                Vec3 F;
                Vec3 M;
        };

protected:
        std::vector<PointData> m_Points;

        bool bLabels;
        bool bSorted;
        std::vector<bool> done;

        unsigned uRot;
        bool bOutputAccelerations;

        // buffer for filedes I/O
        unsigned dynamics_size;
        std::vector<char> iobuf;
        uint32_t *iobuf_labels;
        doublereal *iobuf_x;
        doublereal *iobuf_R;
        doublereal *iobuf_theta;
        doublereal *iobuf_euler_123;
        doublereal *iobuf_xp;
        doublereal *iobuf_omega;
        doublereal *iobuf_xpp;
        doublereal *iobuf_omegap;
        doublereal *iobuf_f;
        doublereal *iobuf_m;

        bool Prepare(ExtFileHandlerBase *pEFH);
        void Send(ExtFileHandlerBase *pEFH, ExtFileHandlerBase::SendWhen when);
        void Recv(ExtFileHandlerBase *pEFH);
   
        virtual void SendToStream(std::ostream& outf, ExtFileHandlerBase::SendWhen when);
        virtual void SendToFileDes(int outfd, ExtFileHandlerBase::SendWhen when);
        virtual void RecvFromStream(std::istream& inf);
        virtual void RecvFromFileDes(int infd);
   
public:
        /* Costruttore */
        StructExtForce(unsigned int uL,
                DataManager *pDM,
                const StructNode *pRefNode,
                bool bUseReferenceNodeForces,
                bool bRotateReferenceNodeForces,
                std::vector<unsigned>& Labels,
                std::vector<const StructNode *>& Nodes,
                std::vector<Vec3>& Offsets,
                bool bSorted,
                bool bLabels,
                bool bOutputAccelerations,
                unsigned bRot,
                ExtFileHandlerBase *pEFH,
                bool bSendAfterPredict,
                int iCoupling,
                unsigned uOutputFlags,
                flag fOut);

        virtual ~StructExtForce(void);

        /* Tipo di forza */
        virtual Force::Type GetForceType(void) const { 
                return Force::EXTERNALSTRUCTURAL; 
        };
 
        void WorkSpaceDim(integer* piNumRows, integer* piNumCols) const;

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

        virtual void Output(OutputHandler& OH) const;

        /* *******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;
        /* ************************************************ */
};

/* StructExtForce - end */

class DataManager;
class MBDynParser;

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

#endif // STREXT_H