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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 "ElementH1SemiError.h" 11 : #include "Function.h" 12 : 13 : registerMooseObject("MooseApp", ElementH1SemiError); 14 : 15 : InputParameters 16 15035 : ElementH1SemiError::validParams() 17 : { 18 15035 : InputParameters params = ElementIntegralVariablePostprocessor::validParams(); 19 15035 : params.addRequiredParam<FunctionName>("function", "The analytic solution to compare against"); 20 15035 : params.addClassDescription("Returns the gradient difference norm part of the H1 error"); 21 15035 : return params; 22 0 : } 23 : 24 399 : ElementH1SemiError::ElementH1SemiError(const InputParameters & parameters) 25 399 : : ElementIntegralVariablePostprocessor(parameters), _func(getFunction("function")) 26 : { 27 399 : } 28 : 29 : Real 30 463 : ElementH1SemiError::getValue() const 31 : { 32 463 : return std::sqrt(ElementIntegralVariablePostprocessor::getValue()); 33 : } 34 : 35 : Real 36 519630 : ElementH1SemiError::computeQpIntegral() 37 : { 38 519630 : RealGradient diff = _grad_u[_qp] - _func.gradient(_t, _q_point[_qp]); 39 1039260 : return diff * diff; 40 : }