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C++ Dof::giveBcValue方法代码示例

本文整理汇总了C++中Dof::giveBcValue方法的典型用法代码示例。如果您正苦于以下问题:C++ Dof::giveBcValue方法的具体用法?C++ Dof::giveBcValue怎么用?C++ Dof::giveBcValue使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Dof的用法示例。


在下文中一共展示了Dof::giveBcValue方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: solveYourselfAt

void IncrementalLinearStatic :: solveYourselfAt(TimeStep *tStep)
{
    // Creates system of governing eq's and solves them at given time step

    // Initiates the total displacement to zero.
    if ( tStep->isTheFirstStep() ) {
        Domain *d = this->giveDomain(1);
        for ( int i = 1; i <= d->giveNumberOfDofManagers(); i++ ) {
            DofManager *dofman = d->giveDofManager(i);
            for ( int j = 1; j <= dofman->giveNumberOfDofs(); j++ ) {
                dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total_Old, 0.);
                dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total, 0.);
                // This is actually redundant now;
                //dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Incremental, 0.);
            }
        }

	int nbc = d->giveNumberOfBoundaryConditions();
	for ( int ibc = 1; ibc <= nbc; ++ibc ) {
	  GeneralBoundaryCondition *bc = d->giveBc(ibc);
	  ActiveBoundaryCondition *abc;

	  if ( ( abc = dynamic_cast< ActiveBoundaryCondition * >( bc ) ) ) {
	    int ndman = abc->giveNumberOfInternalDofManagers();
	    for ( int i = 1; i <= ndman; i++ ) {
	      DofManager *dofman = abc->giveInternalDofManager(i);
	      for ( int j = 1; j <= dofman->giveNumberOfDofs(); j++ ) {
                dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total_Old, 0.);
                dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Total, 0.);
                // This is actually redundant now;
                //dofman->giveDof(j)->updateUnknownsDictionary(tStep, VM_Incremental, 0.);
	      }
	    }
	  }
	}
    }

    // Apply dirichlet b.c's on total values
    Domain *d = this->giveDomain(1);
    for ( int i = 1; i <= d->giveNumberOfDofManagers(); i++ ) {
        DofManager *dofman = d->giveDofManager(i);
        for ( int j = 1; j <= dofman->giveNumberOfDofs(); j++ ) {
            Dof *d = dofman->giveDof(j);
            double tot = d->giveUnknown(VM_Total_Old, tStep);
            if ( d->hasBc(tStep) ) {
                tot += d->giveBcValue(VM_Incremental, tStep);
            }

            d->updateUnknownsDictionary(tStep, VM_Total, tot);
        }
    }


#ifdef VERBOSE
    OOFEM_LOG_RELEVANT( "Solving [step number %8d, time %15e]\n", tStep->giveNumber(), tStep->giveTargetTime() );
#endif

    int neq = this->giveNumberOfDomainEquations(1, EModelDefaultEquationNumbering());

    if (neq == 0) { // Allows for fully prescribed/empty problems.
        return;
    }

    incrementOfDisplacementVector.resize(neq);
    incrementOfDisplacementVector.zero();

#ifdef VERBOSE
    OOFEM_LOG_INFO("Assembling load\n");
#endif
    // Assembling the element part of load vector
    internalLoadVector.resize(neq);
    internalLoadVector.zero();
    this->assembleVector( internalLoadVector, tStep, EID_MomentumBalance, InternalForcesVector,
                          VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );

    loadVector.resize(neq);
    loadVector.zero();
    this->assembleVector( loadVector, tStep, EID_MomentumBalance, ExternalForcesVector,
                          VM_Total, EModelDefaultEquationNumbering(), this->giveDomain(1) );

    loadVector.subtract(internalLoadVector);

#ifdef VERBOSE
    OOFEM_LOG_INFO("Assembling stiffness matrix\n");
#endif
    if ( stiffnessMatrix ) {
        delete stiffnessMatrix;
    }

    stiffnessMatrix = classFactory.createSparseMtrx(sparseMtrxType);
    if ( stiffnessMatrix == NULL ) {
        _error("solveYourselfAt: sparse matrix creation failed");
    }

    stiffnessMatrix->buildInternalStructure( this, 1, EID_MomentumBalance, EModelDefaultEquationNumbering() );
    stiffnessMatrix->zero();
    this->assemble( stiffnessMatrix, tStep, EID_MomentumBalance, StiffnessMatrix,
                   EModelDefaultEquationNumbering(), this->giveDomain(1) );

#ifdef VERBOSE
//.........这里部分代码省略.........
开发者ID:Benjamin-git,项目名称:OOFEM_LargeDef,代码行数:101,代码来源:incrementallinearstatic.C


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