Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://www.mooseframework.org
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #include "ComputeAxisymmetric1DFiniteStrain.h"
      11             : #include "UserObject.h"
      12             : 
      13             : registerMooseObject("TensorMechanicsApp", ComputeAxisymmetric1DFiniteStrain);
      14             : 
      15             : InputParameters
      16          40 : ComputeAxisymmetric1DFiniteStrain::validParams()
      17             : {
      18          40 :   InputParameters params = Compute1DFiniteStrain::validParams();
      19          40 :   params.addClassDescription("Compute a strain increment and rotation increment for finite strains "
      20             :                              "in an axisymmetric 1D problem");
      21          80 :   params.addParam<UserObjectName>("subblock_index_provider",
      22             :                                   "SubblockIndexProvider user object name");
      23          80 :   params.addCoupledVar("scalar_out_of_plane_strain", "Scalar variable for axisymmetric 1D problem");
      24          80 :   params.addCoupledVar("out_of_plane_strain", "Nonlinear variable for axisymmetric 1D problem");
      25             : 
      26          40 :   return params;
      27           0 : }
      28             : 
      29          30 : ComputeAxisymmetric1DFiniteStrain::ComputeAxisymmetric1DFiniteStrain(
      30          30 :     const InputParameters & parameters)
      31             :   : Compute1DFiniteStrain(parameters),
      32          30 :     _disp_old_0(coupledValueOld("displacements", 0)),
      33          30 :     _subblock_id_provider(isParamValid("subblock_index_provider")
      34          30 :                               ? &getUserObject<SubblockIndexProvider>("subblock_index_provider")
      35             :                               : nullptr),
      36          30 :     _has_out_of_plane_strain(isCoupled("out_of_plane_strain")),
      37          30 :     _out_of_plane_strain(_has_out_of_plane_strain ? coupledValue("out_of_plane_strain") : _zero),
      38          30 :     _out_of_plane_strain_old(_has_out_of_plane_strain ? coupledValueOld("out_of_plane_strain")
      39             :                                                       : _zero),
      40          60 :     _has_scalar_out_of_plane_strain(isCoupledScalar("scalar_out_of_plane_strain"))
      41             : {
      42          30 :   if (_has_out_of_plane_strain && _has_scalar_out_of_plane_strain)
      43           0 :     mooseError("Must define only one of out_of_plane_strain or scalar_out_of_plane_strain");
      44             : 
      45          30 :   if (_has_scalar_out_of_plane_strain)
      46             :   {
      47          21 :     const auto nscalar_strains = coupledScalarComponents("scalar_out_of_plane_strain");
      48          21 :     _scalar_out_of_plane_strain.resize(nscalar_strains);
      49          21 :     _scalar_out_of_plane_strain_old.resize(nscalar_strains);
      50          42 :     for (unsigned int i = 0; i < nscalar_strains; ++i)
      51             :     {
      52          21 :       _scalar_out_of_plane_strain[i] = &coupledScalarValue("scalar_out_of_plane_strain", i);
      53          21 :       _scalar_out_of_plane_strain_old[i] = &coupledScalarValueOld("scalar_out_of_plane_strain", i);
      54             :     }
      55             :   }
      56          30 : }
      57             : 
      58             : void
      59          30 : ComputeAxisymmetric1DFiniteStrain::initialSetup()
      60             : {
      61          30 :   ComputeIncrementalStrainBase::initialSetup();
      62             : 
      63          30 :   if (getBlockCoordSystem() != Moose::COORD_RZ)
      64           0 :     mooseError("The coordinate system must be set to RZ for Axisymmetric geometries.");
      65          30 : }
      66             : 
      67             : Real
      68        6792 : ComputeAxisymmetric1DFiniteStrain::computeGradDispYY()
      69             : {
      70        6792 :   if (_has_scalar_out_of_plane_strain)
      71        5640 :     return std::exp((*_scalar_out_of_plane_strain[getCurrentSubblockIndex()])[0]) - 1.0;
      72             :   else
      73        1152 :     return std::exp(_out_of_plane_strain[_qp]) - 1.0;
      74             : }
      75             : 
      76             : Real
      77        6792 : ComputeAxisymmetric1DFiniteStrain::computeGradDispYYOld()
      78             : {
      79        6792 :   if (_has_scalar_out_of_plane_strain)
      80        5640 :     return std::exp((*_scalar_out_of_plane_strain_old[getCurrentSubblockIndex()])[0]) - 1.0;
      81             :   else
      82        1152 :     return std::exp(_out_of_plane_strain_old[_qp]) - 1.0;
      83             : }
      84             : 
      85             : Real
      86        6792 : ComputeAxisymmetric1DFiniteStrain::computeGradDispZZ()
      87             : {
      88        6792 :   if (!MooseUtils::absoluteFuzzyEqual(_q_point[_qp](0), 0.0))
      89        6792 :     return (*_disp[0])[_qp] / _q_point[_qp](0);
      90             :   else
      91             :     return 0.0;
      92             : }
      93             : 
      94             : Real
      95        6792 : ComputeAxisymmetric1DFiniteStrain::computeGradDispZZOld()
      96             : {
      97        6792 :   if (!MooseUtils::absoluteFuzzyEqual(_q_point[_qp](0), 0.0))
      98        6792 :     return _disp_old_0[_qp] / _q_point[_qp](0);
      99             :   else
     100             :     return 0.0;
     101             : }