dofown.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/dofown.h,v 1.32 2017/01/12 14:46:09 masarati Exp $ */
/* 
 * MBDyn (C) is a multibody analysis code. 
 * http://www.mbdyn.org
 *
 * Copyright (C) 1996-2017
 *
 * 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
 */

/* Strutture e classi relative ai Dof */

#ifndef DOFOWN_H
#define DOFOWN_H

#include <ac/f2c.h>
#include <myassert.h>

extern const char* psDofOwnerNames[];   

/* ordine dei dof */
class DofOrder {
 public:
   enum Order {
      UNKNOWN = -1,
        ALGEBRAIC = 0,
        DIFFERENTIAL,
        
        LASTORDER
   };
};


/* strutture per i Dof */

class VectorHandler;

struct Dof {
   integer iIndex;
   DofOrder::Order Order;
   DofOrder::Order EqOrder;
   std::string Description;
   std::string EqDescription;
};


struct DofOwner {
/* Tipi di DofOwner */
 public:
   enum Type {
      UNKNOWN = -1,
        STRUCTURALNODE = 0,
        ELECTRICNODE,
        THERMALNODE,
        ABSTRACTNODE,
        HYDRAULICNODE,
        
        JOINT,
        PLATE,
        GENEL,
        INDUCEDVELOCITY,
        AERODYNAMIC,
        AEROMODAL,
        ELECTRICBULK,
        ELECTRIC,
        THERMAL,
        HYDRAULIC,      
        LOADABLE,
        
        LASTDOFTYPE
   };
   
   integer iFirstIndex;
   unsigned int iNumDofs;
   doublereal dScale;

   doublereal dGetScale(void) const;
   void SetScale(const doublereal& d);
};

/* Da questa classe derivano tutti gli elementi che possiedono Dof 
 * e che quindi sono esplicitamente costretti a dichiarare il metodo
 * con cui inizializzano i vettori della soluzione */
class DofOwnerOwner {
 private:
   const DofOwner* pDofOwner;
   
 public:   
   DofOwnerOwner(const DofOwner* pDO);
   virtual ~DofOwnerOwner() { NO_OP; };
   
   virtual inline const DofOwner* pGetDofOwner(void) const {
      ASSERT(pDofOwner != NULL);
      return pDofOwner; 
   };
   
   /* 
    * Restituisce l'indice (-1) del primo Dof del nodo. Per ipotesi, 
    * gli indici di eventuali altri Dof sono consecutivi.
    * Il primo Dof viene indirizzato nel modo seguente: 
    * - doublereal::X[Node::iGetFirstIndex()]   se si usa un array c,
    * - VectorHandler::operator()(Node::iGetFirstIndex()+1) se si usa un handler
    * questa convenzione e' stata assunta per compatibilita' con le
    * porzioni di codice scritte in FORTRAN
    */
   virtual inline integer iGetFirstIndex(void) const { 
      return pDofOwner->iFirstIndex; 
   };   

        virtual void SetInitialValue(VectorHandler& X);
};

#endif /* DOFOWN_H */