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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 : #pragma once 11 : 12 : #include "DGKernel.h" 13 : 14 : /** 15 : * The HFEMTestJump class computes an L2 product (lambda, [u*])_Gamma, 16 : * where Gamma is the set of internal sides, lambda is a variable 17 : * (generally a SIDE_DISCONTINUOUS FEType like SIDE_HIERARCIC) which 18 : * is uniquely defined on those sides (although not necessarily their 19 : * boundaries), and [u*] is the jump across a side of a test function 20 : * u* corresponding to variation in a DISCONTINUOUS variable u (e.g. 21 : * a MONOMIAL type) 22 : * 23 : * In an HFEM formulation (and probably in most mixed formulations 24 : * that would use this kernel) this should be paired with an 25 : * HFEMTestJump kernel. 26 : */ 27 : class HFEMTestJump : public DGKernel 28 : { 29 : public: 30 : static InputParameters validParams(); 31 : 32 : HFEMTestJump(const InputParameters & parameters); 33 : 34 : protected: 35 : virtual Real computeQpResidual(Moose::DGResidualType type) override; 36 539280 : virtual Real computeQpJacobian(Moose::DGJacobianType) override { return 0; } 37 : virtual Real computeQpOffDiagJacobian(Moose::DGJacobianType type, unsigned int jvar) override; 38 : 39 : /// Variable for the lagrange multiplier lambda 40 : const MooseVariable & _lambda_var; 41 : 42 : /// Current lambda solution at the current side quadrature point 43 : const VariableValue & _lambda; 44 : 45 : /// lambda shape function at the current side quadrature point 46 : const VariablePhiValue & _phi_lambda; 47 : 48 : /// lambda test function at the current side quadrature point 49 : const VariablePhiValue & _test_lambda; 50 : 51 : /// Variable id for lambda 52 : const unsigned int _lambda_id; 53 : };