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             : #pragma once
      11             : 
      12             : #include "ElementUserObject.h"
      13             : #include "RadialAverage.h"
      14             : 
      15             : /**
      16             :  * Element user object that filters the objective function sensitivities via a radial average user
      17             :  * objects. This object can be used to apply a Solid Isotropic Material Penalization (SIMP) to
      18             :  * optimization.
      19             :  */
      20             : class SensitivityFilter : public ElementUserObject
      21             : {
      22             : public:
      23             :   static InputParameters validParams();
      24             : 
      25             :   SensitivityFilter(const InputParameters & parameters);
      26             : 
      27         720 :   virtual void initialize() override{};
      28             :   virtual void execute() override;
      29         594 :   virtual void finalize() override{};
      30         126 :   virtual void threadJoin(const UserObject &) override{};
      31             : 
      32             : protected:
      33             :   /// Radial average user object
      34             :   const RadialAverage::Result & _filter;
      35             :   /// Sensitivity with respect to density
      36             :   MooseWritableVariable & _density_sensitivity;
      37             :   /// Pseudo-density variable name
      38             :   const VariableName _design_density_name;
      39             :   /// The pseudo-density variable
      40             :   const MooseVariable & _design_density;
      41             : };