81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
/* ***********************************************************************
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//
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// Copyright (C) 2025 -- The 4D-STAR Collaboration
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// File Author: Emily Boudreaux
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// Last Modified: March 19, 2025
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//
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// 4DSSE is free software; you can use it and/or modify
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// it under the terms and restrictions the GNU General Library Public
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// License version 3 (GPLv3) as published by the Free Software Foundation.
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//
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// 4DSSE is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public License
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// along with this software; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// *********************************************************************** */
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#ifndef POLYMFEMUTILS_H
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#define POLYMFEMUTILS_H
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#include "mfem.hpp"
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#include <string>
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#include "config.h"
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#include "probe.h"
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/**
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* @file polyMFEMUtils.h
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* @brief A collection of utilities for working with MFEM and solving the lane-emden equation.
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*/
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/**
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* @namespace polyMFEMUtils
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* @brief A namespace for utilities for working with MFEM and solving the lane-emden equation.
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*/
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namespace polyMFEMUtils {
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/**
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* @brief A class for nonlinear power integrator.
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*/
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class NonlinearPowerIntegrator: public mfem::NonlinearFormIntegrator {
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private:
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Config& m_config = Config::getInstance();
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Probe::LogManager& m_logManager = Probe::LogManager::getInstance();
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quill::Logger* m_logger = m_logManager.getLogger("log");
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mfem::Coefficient &m_coeff;
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double m_polytropicIndex;
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public:
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/**
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* @brief Constructor for NonlinearPowerIntegrator.
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*
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* @param coeff The function coefficient.
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* @param n The polytropic index.
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*/
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NonlinearPowerIntegrator(mfem::Coefficient &coeff, double n);
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/**
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* @brief Assembles the element vector.
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*
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* @param el The finite element.
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* @param Trans The element transformation.
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* @param elfun The element function.
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* @param elvect The element vector to be assembled.
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*/
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virtual void AssembleElementVector(const mfem::FiniteElement &el, mfem::ElementTransformation &Trans, const mfem::Vector &elfun, mfem::Vector &elvect) override;
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/**
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* @brief Assembles the element gradient.
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*
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* @param el The finite element.
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* @param Trans The element transformation.
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* @param elfun The element function.
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* @param elmat The element matrix to be assembled.
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*/
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virtual void AssembleElementGrad (const mfem::FiniteElement &el, mfem::ElementTransformation &Trans, const mfem::Vector &elfun, mfem::DenseMatrix &elmat) override;
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};
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} // namespace polyMFEMUtils
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#endif // POLYMFEMUTILS_H
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