Inertia_Utilities.hpp

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//
// Copyright (C) 2019 - 2025.
// Terms register on the GPL-3.0 license.
//
// This file can be redistributed and/or modified under the license terms.
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// See top level LICENSE file for more details.
//
// This file can be used citing references in CITATION.cff file.
 
#ifndef __Inertia_Utilities_HPP
#define __Inertia_Utilities_HPP
 
#include "GeometryUtilities.hpp"
 
namespace Polydim
{
namespace Utilities
{
 
struct Inertia_Data final
{
    Eigen::Matrix3d Fmatrix;
    Eigen::Matrix3d FmatrixInv;
    Eigen::Vector3d translation;
    double absDetFmatrix;
    double signDetQ;
};
 
struct Inertia_Utilities final
{
    void InertiaMapping2D(const Gedim::GeometryUtilities &geometryUtilities,
                          const Eigen::MatrixXd &vertices,
                          const Eigen::Vector3d &centroid,
                          const double &diameter,
                          const std::vector<Eigen::Matrix3d> &triangulation_vertices,
                          Polydim::Utilities::Inertia_Data &inertia_data) const;
 
    void InertiaMapping3D(const Gedim::GeometryUtilities &geometryUtilities,
                          const Eigen::MatrixXd &vertices,
                          const Eigen::Vector3d &centroid,
                          const double &diameter,
                          const std::vector<Eigen::MatrixXd> &tetrahedrons_vertices,
                          Polydim::Utilities::Inertia_Data &inertia_data) const;
};
 
} // namespace Utilities
} // namespace Polydim
 
#endif