Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       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 "GeneralizedPlaneStrainUserObject.h"
      11             : #include "RankTwoTensor.h"
      12             : #include "RankFourTensor.h"
      13             : #include "Function.h"
      14             : #include "Assembly.h"
      15             : #include "UserObjectInterface.h"
      16             : 
      17             : #include "libmesh/quadrature.h"
      18             : 
      19             : registerMooseObject("SolidMechanicsApp", GeneralizedPlaneStrainUserObject);
      20             : 
      21             : InputParameters
      22         388 : GeneralizedPlaneStrainUserObject::validParams()
      23             : {
      24         388 :   InputParameters params = ElementUserObject::validParams();
      25         388 :   params.addClassDescription(
      26             :       "Generalized plane strain UserObject to provide residual and diagonal Jacobian entries.");
      27         776 :   params.addParam<UserObjectName>("subblock_index_provider",
      28             :                                   "SubblockIndexProvider user object name");
      29         776 :   params.addParam<FunctionName>("out_of_plane_pressure_function",
      30             :                                 "Function used to prescribe pressure (applied toward the body) in "
      31             :                                 "the out-of-plane direction");
      32         776 :   params.addDeprecatedParam<FunctionName>(
      33             :       "out_of_plane_pressure",
      34             :       "Function used to prescribe pressure (applied toward the body) in the out-of-plane direction "
      35             :       "(y for 1D Axisymmetric or z for 2D Cartesian problems)",
      36             :       "This has been replaced by 'out_of_plane_pressure_function'");
      37         776 :   params.addParam<MaterialPropertyName>("out_of_plane_pressure_material",
      38             :                                         "0",
      39             :                                         "Material used to prescribe pressure (applied toward the "
      40             :                                         "body) in the out-of-plane direction");
      41         776 :   MooseEnum outOfPlaneDirection("x y z", "z");
      42         776 :   params.addParam<MooseEnum>(
      43             :       "out_of_plane_direction", outOfPlaneDirection, "The direction of the out-of-plane strain.");
      44         776 :   params.addDeprecatedParam<Real>(
      45             :       "factor",
      46             :       "Scale factor applied to prescribed out-of-plane pressure (both material and function)",
      47             :       "This has been replaced by 'pressure_factor'");
      48         776 :   params.addParam<Real>(
      49             :       "pressure_factor",
      50             :       "Scale factor applied to prescribed out-of-plane pressure (both material and function)");
      51         776 :   params.addParam<std::string>("base_name", "Material properties base name");
      52        1552 :   params.set<ExecFlagEnum>("execute_on") = {EXEC_LINEAR, EXEC_NONLINEAR};
      53             : 
      54         388 :   return params;
      55         776 : }
      56             : 
      57         194 : GeneralizedPlaneStrainUserObject::GeneralizedPlaneStrainUserObject(
      58         194 :     const InputParameters & parameters)
      59             :   : ElementUserObject(parameters),
      60         194 :     _base_name(isParamValid("base_name") ? getParam<std::string>("base_name") + "_" : ""),
      61         388 :     _Jacobian_mult(getMaterialProperty<RankFourTensor>(_base_name + "Jacobian_mult")),
      62         388 :     _stress(getMaterialProperty<RankTwoTensor>(_base_name + "stress")),
      63         194 :     _subblock_id_provider(nullptr),
      64         194 :     _out_of_plane_pressure_function(parameters.isParamSetByUser("out_of_plane_pressure_function")
      65         388 :                                         ? &getFunction("out_of_plane_pressure_function")
      66         376 :                                     : parameters.isParamSetByUser("out_of_plane_pressure")
      67         194 :                                         ? &getFunction("out_of_plane_pressure")
      68             :                                         : nullptr),
      69         388 :     _out_of_plane_pressure_material(getMaterialProperty<Real>("out_of_plane_pressure_material")),
      70         388 :     _pressure_factor(parameters.isParamSetByUser("pressure_factor")
      71         400 :                          ? getParam<Real>("pressure_factor")
      72         376 :                      : parameters.isParamSetByUser("factor") ? getParam<Real>("factor")
      73         194 :                                                              : 1.0)
      74             : {
      75         388 :   if (parameters.isParamSetByUser("out_of_plane_pressure_function") &&
      76         206 :       parameters.isParamSetByUser("out_of_plane_pressure"))
      77           0 :     mooseError("Cannot specify both 'out_of_plane_pressure_function' and 'out_of_plane_pressure'");
      78         206 :   if (parameters.isParamSetByUser("pressure_factor") && parameters.isParamSetByUser("factor"))
      79           0 :     mooseError("Cannot specify both 'pressure_factor' and 'factor'");
      80         194 : }
      81             : 
      82             : void
      83       17494 : GeneralizedPlaneStrainUserObject::initialize()
      84             : {
      85       34988 :   if (isParamValid("subblock_index_provider"))
      86           0 :     _subblock_id_provider = &getUserObject<SubblockIndexProvider>("subblock_index_provider");
      87       17494 :   if (_assembly.coordSystem() == Moose::COORD_XYZ)
      88       34136 :     _scalar_out_of_plane_strain_direction = getParam<MooseEnum>("out_of_plane_direction");
      89         426 :   else if (_assembly.coordSystem() == Moose::COORD_RZ)
      90         426 :     _scalar_out_of_plane_strain_direction = 1;
      91             :   else
      92           0 :     mooseError("Unsupported coordinate system for generalized plane strain formulation");
      93             : 
      94       17494 :   unsigned int max_size = _subblock_id_provider ? _subblock_id_provider->getMaxSubblockIndex() : 1;
      95       17494 :   _residual.assign(max_size, 0.0);
      96       17494 :   _reference_residual.assign(max_size, 0.0);
      97       17494 :   _jacobian.assign(max_size, 0.0);
      98       17494 : }
      99             : 
     100             : void
     101       35624 : GeneralizedPlaneStrainUserObject::execute()
     102             : {
     103             :   const unsigned int subblock_id =
     104       35624 :       _subblock_id_provider ? _subblock_id_provider->getSubblockIndex(*_current_elem) : 0;
     105             : 
     106      170584 :   for (unsigned int _qp = 0; _qp < _qrule->n_points(); _qp++)
     107             :   {
     108             :     const Real out_of_plane_pressure =
     109      134960 :         ((_out_of_plane_pressure_function
     110      134960 :               ? _out_of_plane_pressure_function->value(_t, _q_point[_qp])
     111      134960 :               : 0.0) +
     112      134960 :          _out_of_plane_pressure_material[_qp]) *
     113      134960 :         _pressure_factor;
     114             : 
     115             :     // residual, integral of stress_zz for COORD_XYZ
     116      134960 :     _residual[subblock_id] += _JxW[_qp] * _coord[_qp] *
     117      134960 :                               (_stress[_qp](_scalar_out_of_plane_strain_direction,
     118      134960 :                                             _scalar_out_of_plane_strain_direction) +
     119             :                                out_of_plane_pressure);
     120             : 
     121      134960 :     _reference_residual[subblock_id] += std::abs(
     122      134960 :         _JxW[_qp] * _coord[_qp] *
     123      134960 :         _stress[_qp](_scalar_out_of_plane_strain_direction, _scalar_out_of_plane_strain_direction));
     124             : 
     125             :     // diagonal jacobian, integral of C(2, 2, 2, 2) for COORD_XYZ
     126      134960 :     _jacobian[subblock_id] += _JxW[_qp] * _coord[_qp] *
     127      134960 :                               _Jacobian_mult[_qp](_scalar_out_of_plane_strain_direction,
     128             :                                                   _scalar_out_of_plane_strain_direction,
     129             :                                                   _scalar_out_of_plane_strain_direction,
     130             :                                                   _scalar_out_of_plane_strain_direction);
     131             :   }
     132       35624 : }
     133             : 
     134             : void
     135           0 : GeneralizedPlaneStrainUserObject::threadJoin(const UserObject & uo)
     136             : {
     137             :   const auto & gpsuo = static_cast<const GeneralizedPlaneStrainUserObject &>(uo);
     138           0 :   for (unsigned int i = 0; i < _residual.size(); ++i)
     139             :   {
     140           0 :     _residual[i] += gpsuo._residual[i];
     141           0 :     _reference_residual[i] += gpsuo._reference_residual[i];
     142           0 :     _jacobian[i] += gpsuo._jacobian[i];
     143             :   }
     144           0 : }
     145             : 
     146             : void
     147       17494 : GeneralizedPlaneStrainUserObject::finalize()
     148             : {
     149       17494 :   gatherSum(_residual);
     150       17494 :   gatherSum(_reference_residual);
     151       17494 :   gatherSum(_jacobian);
     152       17494 : }
     153             : 
     154             : Real
     155       10144 : GeneralizedPlaneStrainUserObject::returnResidual(unsigned int scalar_var_id) const
     156             : {
     157       10144 :   if (_residual.size() <= scalar_var_id)
     158           0 :     mooseError("Index out of bounds!");
     159             : 
     160       10144 :   return _residual[scalar_var_id];
     161             : }
     162             : 
     163             : Real
     164          80 : GeneralizedPlaneStrainUserObject::returnReferenceResidual(unsigned int scalar_var_id) const
     165             : {
     166             :   // At startup, the GeneralizedPlaneStrainReferenceResidual class can ask for this value
     167             :   // before it has been computed.  Return 0.0 in this case.  The only way size will stay
     168             :   // zero is if initialize is never called.
     169          80 :   if (_reference_residual.size() == 0)
     170             :     return 0.0;
     171             : 
     172          80 :   if (_residual.size() <= scalar_var_id)
     173           0 :     mooseError("Index out of bounds!");
     174             : 
     175          80 :   return _reference_residual[scalar_var_id];
     176             : }
     177             : 
     178             : Real
     179        1372 : GeneralizedPlaneStrainUserObject::returnJacobian(unsigned int scalar_var_id) const
     180             : {
     181        1372 :   if (_jacobian.size() <= scalar_var_id)
     182           0 :     mooseError("Index out of bounds!");
     183             : 
     184        1372 :   return _jacobian[scalar_var_id];
     185             : }