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 "ComplianceSensitivity.h"
      11             : 
      12             : registerMooseObject("SolidMechanicsApp", ComplianceSensitivity);
      13             : 
      14             : InputParameters
      15          24 : ComplianceSensitivity::validParams()
      16             : {
      17          24 :   InputParameters params = StrainEnergyDensity::validParams();
      18          24 :   params.addClassDescription("Computes compliance sensitivity needed for SIMP method.");
      19          48 :   params.addRequiredCoupledVar("design_density", "Design density variable name.");
      20          48 :   params.addRequiredParam<MaterialPropertyName>("youngs_modulus",
      21             :                                                 "DerivativeParsedMaterial for Youngs modulus.");
      22             : 
      23          24 :   return params;
      24           0 : }
      25             : 
      26          18 : ComplianceSensitivity::ComplianceSensitivity(const InputParameters & parameters)
      27             :   : StrainEnergyDensity(parameters),
      28          18 :     _sensitivity(declareProperty<Real>(_base_name + "sensitivity")),
      29          18 :     _design_density(coupledValue("design_density")),
      30          18 :     _design_density_name(coupledName("design_density", 0)),
      31          36 :     _dEdp(getMaterialPropertyDerivativeByName<Real>(
      32             :         getParam<MaterialPropertyName>("youngs_modulus"), _design_density_name)),
      33          54 :     _youngs_modulus(getMaterialProperty<Real>(getParam<MaterialPropertyName>("youngs_modulus")))
      34             : {
      35          18 : }
      36             : 
      37             : void
      38         360 : ComplianceSensitivity::computeQpProperties()
      39             : {
      40             :   // Call the parent class's method to compute the strain energy density
      41         360 :   StrainEnergyDensity::computeQpProperties();
      42         360 :   _sensitivity[_qp] = -_dEdp[_qp] * _strain_energy_density[_qp] / _youngs_modulus[_qp];
      43         360 : }