190 lines
6.5 KiB
C++
190 lines
6.5 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 <vector>
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#include "config.h"
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#include "probe.h"
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#include <unordered_map>
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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& config = Config::getInstance();
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mfem::Coefficient &coeff_;
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double 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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/**
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* @brief A wrapper class for bilinear integrator.
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*/
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class BilinearIntegratorWrapper : public mfem::NonlinearFormIntegrator
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{
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private:
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mfem::BilinearFormIntegrator *integrator;
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public:
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/**
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* @brief Constructor for BilinearIntegratorWrapper.
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*
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* @param integratorInput The bilinear form integrator input.
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*/
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BilinearIntegratorWrapper(mfem::BilinearFormIntegrator *integratorInput);
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/**
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* @brief Destructor for BilinearIntegratorWrapper.
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*/
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virtual ~BilinearIntegratorWrapper();
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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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/**
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* @brief A class for composite nonlinear integrator.
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*/
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class CompositeNonlinearIntegrator: public mfem::NonlinearFormIntegrator {
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private:
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std::vector<mfem::NonlinearFormIntegrator*> integrators;
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public:
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/**
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* @brief Constructor for CompositeNonlinearIntegrator.
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*/
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CompositeNonlinearIntegrator();
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/**
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* @brief Destructor for CompositeNonlinearIntegrator.
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*/
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virtual ~CompositeNonlinearIntegrator();
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/**
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* @brief Adds an integrator to the composite integrator.
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*
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* @param integrator The nonlinear form integrator to add.
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*/
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void add_integrator(mfem::NonlinearFormIntegrator *integrator);
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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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class ConstraintIntegrator: public mfem::BilinearFormIntegrator {
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private:
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Config& m_config = Config::getInstance();
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Probe::LogManager& logManager = Probe::LogManager::getInstance();
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quill::Logger* m_logger = logManager.getLogger("log");
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const double m_gamma;
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mfem::Array<int> m_originElementIDs;
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mfem::Array<mfem::IntegrationPoint> m_originIntegrationPoints;
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mfem::DenseMatrix m_originCoordinateMatrix;
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mfem::Vector m_originCoordinateVector;
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mfem::Mesh* m_mesh;
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mfem::Array<int> m_originConnectedElementIds;
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public:
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ConstraintIntegrator(const double gamma, mfem::Mesh* mesh);
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~ConstraintIntegrator() = default;
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void AssembleElementMatrix(const mfem::FiniteElement &el, mfem::ElementTransformation &Trans, 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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