DisplacementAboutAxis.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#pragma once

#include "DirichletBCBase.h"

// MOOSE includes
#include "ColumnMajorMatrix.h"

// Forward Declarations
class Function;

void addDisplacementAboutAxisParams(InputParameters & params);

class DisplacementAboutAxis : public DirichletBCBase
{
public:
  static InputParameters validParams();

  DisplacementAboutAxis(const InputParameters & parameters);

protected:
  virtual Real computeQpValue();
  virtual void initialSetup();

  ColumnMajorMatrix rotateAroundAxis(const ColumnMajorMatrix & p0, const Real angle);

  void calculateUnitDirectionVector();

  void calculateTransformationMatrices();

  const int _component;
  const Function & _func;
  MooseEnum _angle_units;
  const Point _axis_origin;
  Point _axis_direction;

  const unsigned int _ndisp;

  std::vector<const VariableValue *> _disp_old;

  const bool _angular_velocity;

  ColumnMajorMatrix _transformation_matrix;
  ColumnMajorMatrix _transformation_matrix_inv;
};