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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 "PenaltyDirichletOldValuePD.h" 11 : 12 : registerMooseObject("PeridynamicsApp", PenaltyDirichletOldValuePD); 13 : 14 : InputParameters 15 11 : PenaltyDirichletOldValuePD::validParams() 16 : { 17 11 : InputParameters params = NodalKernel::validParams(); 18 11 : params.addClassDescription("Enforces a Dirichlet boundary condition " 19 : "in a weak sense by penalizing differences between the current " 20 : "solution and the old solution for transient problems."); 21 : 22 22 : params.addRequiredParam<Real>("penalty", "Penalty scalar"); 23 : 24 11 : return params; 25 0 : } 26 : 27 6 : PenaltyDirichletOldValuePD::PenaltyDirichletOldValuePD(const InputParameters & parameters) 28 12 : : NodalKernel(parameters), _p(getParam<Real>("penalty")), _u_old(_var.dofValuesOld()) 29 : { 30 6 : } 31 : 32 : Real 33 5104 : PenaltyDirichletOldValuePD::computeQpResidual() 34 : { 35 5104 : return _p * (-_u_old[_qp] + _u[_qp]); 36 : } 37 : 38 : Real 39 660 : PenaltyDirichletOldValuePD::computeQpJacobian() 40 : { 41 660 : return _p; 42 : }