dofman.cc

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/dofman.cc,v 1.33 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
 */

/* dof manager */

#include "mbconfig.h"           /* This goes first in every *.c,*.cc file */

#include "dataman.h"

/* DataManager - begin */

void DataManager::DofManager(void)
{
   DummyDofOwner.iFirstIndex = 0;
   DummyDofOwner.iNumDofs = 0;
   
   /* Resetta la struttura statica */
   for(int i = 0; i < DofOwner::LASTDOFTYPE; i++) {
      DofData[i].pFirstDofOwner = NULL;
      DofData[i].iNum = 0;
      DofData[i].iSize = 0;
      DofData[i].dDefScale = 1.;
   }   
}


void
DataManager::DofManagerDestructor(void)
{
        DEBUGCOUTFNAME("DataManager::DofManagerDestructor");

        // TODO: remove?
}

doublereal
DataManager::dGetDefaultScale(DofOwner::Type t) const
{
        return DofData[t].dDefScale;
}

void DataManager::DofDataInit(void)
{
   /* struttura dei DofOwner */  
   
   /* Calcola il numero totale di DofOwner */
   for (int iCnt = 0; iCnt < DofOwner::LASTDOFTYPE; iCnt++) {      
      iTotDofOwners += DofData[iCnt].iNum;
   }   

   DEBUGLCOUT(MYDEBUG_INIT, "iTotDofOwners = " << iTotDofOwners << std::endl);
        
   /* Crea la struttura dinamica dei DofOwner */
   if (iTotDofOwners > 0) {          
      DofOwners.resize(iTotDofOwners);
      
      /* Resetta la struttura dinamica dei DofOwner */
      for (int iCnt = 0; iCnt < iTotDofOwners; iCnt++) {
         DofOwners[iCnt].iFirstIndex = 0;
         DofOwners[iCnt].iNumDofs = 0;
      }
      
      /* Inizializza la struttura dinamica dei DofOwner
       * con il numero di Dof di ognuno */
      DofData[0].pFirstDofOwner = &DofOwners[0];
      for (int iType = 0; iType < DofOwner::LASTDOFTYPE - 1; iType++) {
         DofData[iType + 1].pFirstDofOwner =
           DofData[iType].pFirstDofOwner+
           DofData[iType].iNum;

         for (int iDof = 0; iDof < DofData[iType].iNum; iDof++) {
            DofData[iType].pFirstDofOwner[iDof].SetScale(dGetDefaultScale(DofOwner::Type(iType)));
         }
      }

   } else {
      /* Se non sono definiti DofOwners, la simulazione non ha senso,
       * quindi il programma termina */
      silent_cerr("warning, no dof owners are defined" << std::endl);
      throw NoErr(MBDYN_EXCEPT_ARGS);
   }
}

void DataManager::DofInit(void)
{  
   if (iTotDofOwners > 0) {     
      
      /* Di ogni DofOwner setta il primo indice
       * e calcola il numero totale di Dof */
      integer iIndex = 0;    /* contatore dei Dof */
      integer iNumDofs = 0;  /* numero di dof di un owner */

      for (int iCnt = 0; iCnt < iTotDofOwners; iCnt++) {
         iNumDofs = DofOwners[iCnt].iNumDofs;
         if (iNumDofs > 0) {
            DofOwners[iCnt].iFirstIndex = iIndex;
            iIndex += iNumDofs;
         } else {
            DofOwners[iCnt].iFirstIndex = -1;
            DEBUGCERR("warning, item " << (iCnt + 1) << " has 0 dofs" << std::endl);
         }
      }
      
      iTotDofs = iIndex;
        
      DEBUGLCOUT(MYDEBUG_INIT, "iTotDofs = " << iTotDofs << std::endl);
   } else {
      DEBUGCERR("");
      silent_cerr("no dof owners are defined" << std::endl);
      
      throw DataManager::ErrGeneric(MBDYN_EXCEPT_ARGS);
   }            
   
        
   /* Crea la struttura dinamica dei Dof */
   if(iTotDofs > 0) {   
      Dofs.resize(iTotDofs);
      integer iIndex = DofOwners[0].iFirstIndex;
      for (DofIterator i = Dofs.begin(); i != Dofs.end(); ++i) {
         i->iIndex = iIndex++;
         i->Order = DofOrder::DIFFERENTIAL;
      }
   } else {
      DEBUGCERR("");
      silent_cerr("no dofs are defined" << std::endl);
      
      throw DataManager::ErrGeneric(MBDYN_EXCEPT_ARGS);
   }            
}  

void
DataManager::SetScale(VectorHandler& XScale) const
{
        for (integer iCnt = 0; iCnt < iTotDofOwners; iCnt++) {
                integer iFirstIndex = DofOwners[iCnt].iFirstIndex;
                unsigned int iNumDofs = DofOwners[iCnt].iNumDofs;
                doublereal dScale = DofOwners[iCnt].dScale;

                for (unsigned int iDof = 1; iDof <= iNumDofs; iDof++) {
                        XScale.PutCoef(iFirstIndex + iDof, dScale);
                }
        }
}

/* DataManager - end */