Esempio n. 1
0
void Tr21Stokes :: giveIntegratedVelocity(FloatMatrix &answer, TimeStep *tStep )
{
    /*
    * Integrate velocity over element
    */

    IntegrationRule *iRule = integrationRulesArray [ 0 ];
    FloatMatrix v, v_gamma, ThisAnswer, boundaryV, Nmatrix;
    double detJ;
    FloatArray *lcoords, N;
    int i, j, k=0;
    Dof *d;
    GaussPoint *gp;

    v.resize(12,1);
    v.zero();
    boundaryV.resize(2,1);


    for (i=1; i<=this->giveNumberOfDofManagers(); i++) {
        for (j=1; j<=this->giveDofManager(i)->giveNumberOfDofs(); j++) {
            d = this->giveDofManager(i)->giveDof(j);
            if ((d->giveDofID()==V_u) || (d->giveDofID()==V_v)) {
                k=k+1;
                v.at(k,1)=d->giveUnknown(EID_ConservationEquation, VM_Total, tStep);
            /*} else if (d->giveDofID()==A_x) {
                boundaryV.at(1,1)=d->giveUnknown(EID_ConservationEquation, VM_Total, tStep);
            } else if (d->giveDofID()==A_y) {
                boundaryV.at(2,1)=d->giveUnknown(EID_ConservationEquation, VM_Total, tStep);*/
            }
        }
    }

    answer.resize(2,1);
    answer.zero();

    Nmatrix.resize(2,12);

    for (i=0; i<iRule->getNumberOfIntegrationPoints(); i++) {

        gp = iRule->getIntegrationPoint(i);

        lcoords = gp->giveCoordinates();

        this->interpolation_quad.evalN(N, *lcoords, FEIElementGeometryWrapper(this));
        detJ = this->interpolation_quad.giveTransformationJacobian(*lcoords, FEIElementGeometryWrapper(this));

        N.times(detJ*gp->giveWeight());

        for (j=1; j<=6;j++) {
            Nmatrix.at(1,j*2-1)=N.at(j);
            Nmatrix.at(2,j*2)=N.at(j);
        }

        ThisAnswer.beProductOf(Nmatrix,v);
        answer.add(ThisAnswer);

    }

}
Esempio n. 2
0
void
MatlabExportModule :: doOutputData(TimeStep *tStep, FILE *FID)
{
    Domain *domain  = emodel->giveDomain(1);
    std :: vector< int >DofIDList;
    std :: vector< int > :: iterator it;
    std :: vector< std :: vector< double > * >valuesList;
    std :: vector< double > *values;

    for ( int i = 1; i <= domain->giveNumberOfDofManagers(); i++ ) {
        for ( int j = 1; j <= domain->giveDofManager(i)->giveNumberOfDofs(); j++ ) {
            Dof *thisDof;
            thisDof = domain->giveDofManager(i)->giveDof(j);
            it = std :: find( DofIDList.begin(), DofIDList.end(), thisDof->giveDofID() );

            if ( it == DofIDList.end() ) {
                DofIDList.push_back( thisDof->giveDofID() );
                values = new( std :: vector< double > );
                valuesList.push_back(values);
            } else {
                int pos = it - DofIDList.begin();
                values = valuesList.at(pos);
            }

            double value = thisDof->giveUnknown(EID_MomentumBalance, VM_Total, tStep);
            values->push_back(value);
        }
    }

    fprintf(FID, "\tdata.DofIDs=[");
    for ( size_t i = 0; i < DofIDList.size(); i++ ) {
        fprintf( FID, "%u, ", DofIDList.at(i) );
    }

    fprintf(FID, "];\n");

    for ( size_t i = 0; i < valuesList.size(); i++ ) {
        fprintf(FID, "\tdata.a{%lu}=[", static_cast<long unsigned int>(i) + 1);
        for ( size_t j = 0; j < valuesList.at(i)->size(); j++ ) {
            fprintf( FID, "%f,", valuesList.at(i)->at(j) );
        }

        fprintf(FID, "];\n");
    }
}
Esempio n. 3
0
void
RigidArmNode :: computeMasterContribution(std::map< DofIDItem, IntArray > &masterDofID, 
                                          std::map< DofIDItem, FloatArray > &masterContribution)
{
#if 0 // original implementation without support of different LCS in slave and master
    int k;
    IntArray R_uvw(3), uvw(3);
    FloatArray xyz(3);
    int numberOfMasterDofs = masterNode->giveNumberOfDofs();
    //IntArray countOfMasterDofs((int)masterDofID.size());

    // decode of masterMask
    uvw.at(1) = this->dofidmask->findFirstIndexOf(R_u);
    uvw.at(2) = this->dofidmask->findFirstIndexOf(R_v);
    uvw.at(3) = this->dofidmask->findFirstIndexOf(R_w);

    xyz.beDifferenceOf(*this->giveCoordinates(), *masterNode->giveCoordinates());

    if ( hasLocalCS() ) {
        // LCS is stored as global-to-local, so LCS*xyz_glob = xyz_loc
        xyz.rotatedWith(* this->localCoordinateSystem, 'n');
    }

    for ( int i = 1; i <= this->dofidmask->giveSize(); i++ ) {
        Dof *dof = this->giveDofWithID(dofidmask->at(i));
        DofIDItem id = dof->giveDofID();
        masterDofID [ id ].resize(numberOfMasterDofs);
        masterContribution [ id ].resize(numberOfMasterDofs);
        R_uvw.zero();

        switch ( masterMask.at(i) ) {
        case 0: continue;
            break;
        case 1:
            if ( id == D_u ) {
                if ( uvw.at(2) && masterMask.at( uvw.at(2) ) ) {
                    R_uvw.at(3) =  ( ( int ) R_v );
                }

                if ( uvw.at(3) && masterMask.at( uvw.at(3) ) ) {
                    R_uvw.at(2) = -( ( int ) R_w );
                }
            } else if ( id == D_v ) {
                if ( uvw.at(1) && masterMask.at( uvw.at(1) ) ) {
                    R_uvw.at(3) = -( ( int ) R_u );
                }

                if ( uvw.at(3) && masterMask.at( uvw.at(3) ) ) {
                    R_uvw.at(1) =  ( ( int ) R_w );
                }
            } else if ( id == D_w ) {
                if ( uvw.at(1) && masterMask.at( uvw.at(1) ) ) {
                    R_uvw.at(2) =  ( ( int ) R_u );
                }

                if ( uvw.at(2) && masterMask.at( uvw.at(2) ) ) {
                    R_uvw.at(1) = -( ( int ) R_v );
                }
            }

            break;
        default:
            OOFEM_ERROR("unknown value in masterMask");
        }

        //k = ++countOfMasterDofs.at(i);
        k = 1;
        masterDofID [ id ].at(k) = ( int ) id;
        masterContribution [ id ].at(k) = 1.0;

        for ( int j = 1; j <= 3; j++ ) {
            if ( R_uvw.at(j) != 0 ) {
                int sign = R_uvw.at(j) < 0 ? -1 : 1;
                //k = ++countOfMasterDofs.at(i);
                k++;
                masterDofID [ id ].at(k) = sign * R_uvw.at(j);
                masterContribution [ id ].at(k) = sign * xyz.at(j);
            }
        }
        masterDofID [ id ].resizeWithValues(k);
        masterContribution [ id ].resizeWithValues(k);
    }
#else
    // receiver lcs stored in localCoordinateSystem
    // (this defines the transformation from global to local)
    FloatArray xyz(3);
    FloatMatrix TG2L(6,6); // receiver global to receiver local
    FloatMatrix TR(6,6); // rigid arm transformation between receiver global DOFs and Master global DOFs
    FloatMatrix TMG2L(6,6); // master global to local
    FloatMatrix T(6,6); // full transformation for all dofs
    IntArray fullDofMask = {D_u, D_v, D_w, R_u, R_v, R_w};
    bool hasg2l = this->computeL2GTransformation(TG2L, fullDofMask);
    bool mhasg2l = masterNode->computeL2GTransformation(TMG2L, fullDofMask);

    xyz.beDifferenceOf(*this->giveCoordinates(), *masterNode->giveCoordinates());
    
    TR.beUnitMatrix();
    TR.at(1,5) =  xyz.at(3);
    TR.at(1,6) = -xyz.at(2);
    TR.at(2,4) = -xyz.at(3);
    TR.at(2,6) =  xyz.at(1);
    TR.at(3,4) =  xyz.at(2);
    TR.at(3,5) = -xyz.at(1);

    if (hasg2l && mhasg2l) {
      FloatMatrix h; 
      h.beTProductOf(TG2L, TR);  // T transforms global master DOfs to local dofs;
      T.beProductOf(h,TMG2L);    // Add transformation to master local c.s.
    } else if (hasg2l) {
      T.beTProductOf(TG2L, TR);  // T transforms global master DOfs to local dofs;
    } else if (mhasg2l) {
      T.beProductOf(TR,TMG2L);   // Add transformation to master local c.s.
    } else {
      T = TR;
    }
    
    // assemble DOF weights for relevant dofs
    for ( int i = 1; i <= this->dofidmask->giveSize(); i++ ) {
      Dof *dof = this->giveDofWithID(dofidmask->at(i));
      DofIDItem id = dof->giveDofID();
      masterDofID [ id ] = *dofidmask;
      masterContribution [ id ].resize(dofidmask->giveSize());
      
      for (int j = 1; j <= this->dofidmask->giveSize(); j++ ) {
        masterContribution [ id ].at(j) = T.at(id, dofidmask->at(j));
      }
    }

#endif

}
Esempio n. 4
0
bool
NRSolver :: checkConvergence(FloatArray &RT, FloatArray &F, FloatArray &rhs,  FloatArray &ddX, FloatArray &X,
                             double RRT, const FloatArray &internalForcesEBENorm,
                             int nite, bool &errorOutOfRange, TimeStep *tNow)
{
    double forceErr, dispErr;
    FloatArray dg_forceErr, dg_dispErr, dg_totalLoadLevel, dg_totalDisp;
    bool answer;
    EModelDefaultEquationNumbering dn;
 #ifdef __PARALLEL_MODE
  #ifdef __PETSC_MODULE
    PetscContext *parallel_context = engngModel->givePetscContext(this->domain->giveNumber());
    Natural2LocalOrdering *n2l = parallel_context->giveN2Lmap();
  #endif
 #endif

    /*
     * The force errors are (if possible) evaluated as relative errors.
     * If the norm of applied load vector is zero (one may load by temperature, etc)
     * then the norm of reaction forces is used in relative norm evaluation.
     *
     * Note: This is done only when all dofs are included (nccdg = 0). Not implemented if
     * multiple convergence criteria are used.
     *
     */

    answer = true;
    errorOutOfRange = false;

    if ( internalForcesEBENorm.giveSize() > 1 ) { // Special treatment when just one norm is given; No grouping
        int nccdg = this->domain->giveMaxDofID();
        // Keeps tracks of which dof IDs are actually in use;
        IntArray idsInUse(nccdg);
        idsInUse.zero();
        // zero error norms per group
        dg_forceErr.resize(nccdg); dg_forceErr.zero();
        dg_dispErr.resize(nccdg); dg_dispErr.zero();
        dg_totalLoadLevel.resize(nccdg); dg_totalLoadLevel.zero();
        dg_totalDisp.resize(nccdg); dg_totalDisp.zero();
        // loop over dof managers
        int ndofman = domain->giveNumberOfDofManagers();
        for ( int idofman = 1; idofman <= ndofman; idofman++ ) {
            DofManager *dofman = domain->giveDofManager(idofman);
 #if ( defined ( __PARALLEL_MODE ) && defined ( __PETSC_MODULE ) )
            if ( !parallel_context->isLocal(dofman) ) {
                continue;
            }

 #endif

            // loop over individual dofs
            int ndof = dofman->giveNumberOfDofs();
            for ( int idof = 1; idof <= ndof; idof++ ) {
                Dof *dof = dofman->giveDof(idof);
                if ( !dof->isPrimaryDof() ) continue;
                int eq = dof->giveEquationNumber(dn);
                int dofid = dof->giveDofID();
                if ( !eq ) continue;
 
                dg_forceErr.at(dofid) += rhs.at(eq) * rhs.at(eq);
                dg_dispErr.at(dofid) += ddX.at(eq) * ddX.at(eq);
                dg_totalLoadLevel.at(dofid) += RT.at(eq) * RT.at(eq);
                dg_totalDisp.at(dofid) += X.at(eq) * X.at(eq);
                idsInUse.at(dofid) = 1;
            } // end loop over DOFs
        } // end loop over dof managers

        // loop over elements and their DOFs
        int nelem = domain->giveNumberOfElements();
        for ( int ielem = 1; ielem <= nelem; ielem++ ) {
            Element *elem = domain->giveElement(ielem);
 #ifdef __PARALLEL_MODE
            if ( elem->giveParallelMode() != Element_local ) {
                continue;
            }

 #endif
            // loop over element internal Dofs
            for ( int idofman = 1; idofman <= elem->giveNumberOfInternalDofManagers(); idofman++) {
                DofManager *dofman = elem->giveInternalDofManager(idofman);
                int ndof = dofman->giveNumberOfDofs();
                // loop over individual dofs
                for ( int idof = 1; idof <= ndof; idof++ ) {
                    Dof *dof = dofman->giveDof(idof);
                    if ( !dof->isPrimaryDof() ) continue;
                    int eq = dof->giveEquationNumber(dn);
                    int dofid = dof->giveDofID();
                    
                    if ( !eq ) continue;
 #if ( defined ( __PARALLEL_MODE ) && defined ( __PETSC_MODULE ) )
                    if ( engngModel->isParallel() && !n2l->giveNewEq(eq) ) continue;
 #endif
                    dg_forceErr.at(dofid) += rhs.at(eq) * rhs.at(eq);
                    dg_dispErr.at(dofid) += ddX.at(eq) * ddX.at(eq);
                    dg_totalLoadLevel.at(dofid) += RT.at(eq) * RT.at(eq);
                    dg_totalDisp.at(dofid) += X.at(eq) * X.at(eq);
                    idsInUse.at(dofid) = 1;
                } // end loop over DOFs
            } // end loop over element internal dofmans
        } // end loop over elements
        
        // loop over boundary conditions and their internal DOFs
        for ( int ibc = 1; ibc <= domain->giveNumberOfBoundaryConditions(); ibc++ ) {
            GeneralBoundaryCondition *bc = domain->giveBc(ibc);

            // loop over element internal Dofs
            for ( int idofman = 1; idofman <= bc->giveNumberOfInternalDofManagers(); idofman++) {
                DofManager *dofman = bc->giveInternalDofManager(idofman);
                int ndof = dofman->giveNumberOfDofs();
                // loop over individual dofs
                for ( int idof = 1; idof <= ndof; idof++ ) {
                    Dof *dof = dofman->giveDof(idof);
                    if ( !dof->isPrimaryDof() ) continue;
                    int eq = dof->giveEquationNumber(dn);
                    int dofid = dof->giveDofID();

                    if ( !eq ) continue;
 #if ( defined ( __PARALLEL_MODE ) && defined ( __PETSC_MODULE ) )
                    if ( engngModel->isParallel() && !n2l->giveNewEq(eq) ) continue;
 #endif
                    dg_forceErr.at(dofid) += rhs.at(eq) * rhs.at(eq);
                    dg_dispErr.at(dofid) += ddX.at(eq) * ddX.at(eq);
                    dg_totalLoadLevel.at(dofid) += RT.at(eq) * RT.at(eq);
                    dg_totalDisp.at(dofid) += X.at(eq) * X.at(eq);
                    idsInUse.at(dofid) = 1;
                } // end loop over DOFs
            } // end loop over element internal dofmans
        } // end loop over elements

 #ifdef __PARALLEL_MODE
        // exchange individual partition contributions (simultaneously for all groups)
#ifdef __PETSC_MODULE
        FloatArray collectiveErr(nccdg);
        parallel_context->accumulate(dg_forceErr,       collectiveErr); dg_forceErr       = collectiveErr;
        parallel_context->accumulate(dg_dispErr,        collectiveErr); dg_dispErr        = collectiveErr;
        parallel_context->accumulate(dg_totalLoadLevel, collectiveErr); dg_totalLoadLevel = collectiveErr;
        parallel_context->accumulate(dg_totalDisp,      collectiveErr); dg_totalDisp      = collectiveErr;
#else
        if ( this->engngModel->isParallel() ) {
            FloatArray collectiveErr(nccdg);
            MPI_Allreduce(dg_forceErr.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
            dg_forceErr = collectiveErr;
            MPI_Allreduce(dg_dispErr.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
            dg_dispErr = collectiveErr;
            MPI_Allreduce(dg_totalLoadLevel.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
            dg_totalLoadLevel = collectiveErr;
            MPI_Allreduce(dg_totalDisp.givePointer(), collectiveErr.givePointer(), nccdg, MPI_DOUBLE, MPI_SUM, comm);
            dg_totalDisp = collectiveErr;
            return globalNorm;
        }
#endif
 #endif
        OOFEM_LOG_INFO("NRSolver: %-5d", nite);
        //bool zeroNorm = false;
        // loop over dof groups and check convergence individually
        for ( int dg = 1; dg <= nccdg; dg++ ) {
            bool zeroFNorm = false, zeroDNorm = false;
            // Skips the ones which aren't used in this problem (the residual will be zero for these anyway, but it is annoying to print them all)
            if ( !idsInUse.at(dg) ) {
                continue;
            }
            
            OOFEM_LOG_INFO( "  %s:", __DofIDItemToString((DofIDItem)dg).c_str() );

            if ( rtolf.at(1) > 0.0 ) {
                //  compute a relative error norm
                if ( ( dg_totalLoadLevel.at(dg) + internalForcesEBENorm.at(dg) ) > nrsolver_ERROR_NORM_SMALL_NUM ) {
                    forceErr = sqrt( dg_forceErr.at(dg) / ( dg_totalLoadLevel.at(dg) + internalForcesEBENorm.at(dg) ) );
                } else {
                    // If both external forces and internal ebe norms are zero, then the residual must be zero.
                    //zeroNorm = true; // Warning about this afterwards.
                    zeroFNorm = true;
                    forceErr = sqrt( dg_forceErr.at(dg) );
                }

                if ( forceErr > rtolf.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
                    errorOutOfRange = true;
                }
                if ( forceErr > rtolf.at(1) ) {
                    answer = false;
                }
                OOFEM_LOG_INFO( zeroFNorm ? " *%.3e" : "  %.3e", forceErr );
            }

            if ( rtold.at(1) > 0.0 ) {
                // compute displacement error
                if ( dg_totalDisp.at(dg) >  nrsolver_ERROR_NORM_SMALL_NUM ) {
                    dispErr = sqrt( dg_dispErr.at(dg) / dg_totalDisp.at(dg) );
                } else {
                    ///@todo This is almost always the case for displacement error. nrsolveR_ERROR_NORM_SMALL_NUM is no good.
                    //zeroNorm = true; // Warning about this afterwards.
                    //zeroDNorm = true;
                    dispErr = sqrt( dg_dispErr.at(dg) );
                }
                if ( dispErr  > rtold.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
                    errorOutOfRange = true;
                }
                if ( dispErr > rtold.at(1) ) {
                    answer = false;
                }
                OOFEM_LOG_INFO( zeroDNorm ? " *%.3e" : "  %.3e", dispErr );
            }
        }
        OOFEM_LOG_INFO("\n");
        //if ( zeroNorm ) OOFEM_WARNING("NRSolver :: checkConvergence - Had to resort to absolute error measure (marked by *)");
    } else { // No dof grouping
        double dXX, dXdX;
        
        if ( engngModel->giveProblemScale() == macroScale ) {
            OOFEM_LOG_INFO("NRSolver:     %-15d", nite);
        } else {
            OOFEM_LOG_INFO("  NRSolver:     %-15d", nite);
        }

 #ifdef __PARALLEL_MODE
        forceErr = parallel_context->norm(rhs); forceErr *= forceErr;
        dXX = parallel_context->localNorm(X); dXX *= dXX; // Note: Solutions are always total global values (natural distribution makes little sense for the solution)
        dXdX = parallel_context->localNorm(ddX); dXdX *= dXdX;
 #else
        forceErr = rhs.computeSquaredNorm();
        dXX = X.computeSquaredNorm();
        dXdX = ddX.computeSquaredNorm();
 #endif
        if ( rtolf.at(1) > 0.0 ) {
            // we compute a relative error norm
            if ( ( RRT + internalForcesEBENorm.at(1) ) > nrsolver_ERROR_NORM_SMALL_NUM ) {
                forceErr = sqrt( forceErr / ( RRT + internalForcesEBENorm.at(1) ) );
            } else {
                forceErr = sqrt( forceErr ); // absolute norm as last resort
            }
            if ( fabs(forceErr) > rtolf.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
                errorOutOfRange = true;
            }
            if ( fabs(forceErr) > rtolf.at(1) ) {
                answer = false;
            }
            OOFEM_LOG_INFO(" %-15e", forceErr);
        }

        if ( rtold.at(1) > 0.0 ) {
            // compute displacement error
            // err is relative displacement change
            if ( dXX > nrsolver_ERROR_NORM_SMALL_NUM ) {
                dispErr = sqrt( dXdX / dXX );
            } else {
                dispErr = sqrt( dXdX );
            }
            if ( fabs(dispErr)  > rtold.at(1) * NRSOLVER_MAX_REL_ERROR_BOUND ) {
                errorOutOfRange = true;
            }
            if ( fabs(dispErr)  > rtold.at(1) ) {
                answer = false;
            }
            OOFEM_LOG_INFO(" %-15e", dispErr);
        }

        OOFEM_LOG_INFO("\n");
    } // end default case (all dofs contributing)

    return answer;
}