CSMT6.h

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/*******************************************************************************
 * Copyright (C) 2017-2026 Theodore Chang
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
#ifndef CSMT6_H
#define CSMT6_H
 
#include <Element/MaterialElement.h>
 
class CSMT6 final : public MaterialElement2D {
    struct IntegrationPoint final {
        vec coor;
        double weight;
        unique_ptr<Material> m_material;
        mat b1, b2, b3;
        IntegrationPoint(vec&&, double, unique_ptr<Material>&&);
    };
 
    static constexpr unsigned m_node = 6, m_dof = 3, m_size = m_dof * m_node;
 
    static const uvec t_dof;
    static const uvec r_dof;
 
    const double thickness;
 
    const double area = 0.;
 
    std::vector<IntegrationPoint> int_pt;
 
public:
    CSMT6(
        unsigned,    // tag
        uvec&&,      // node tag
        unsigned,    // material tag
        double = 1., // thickness
        double = -1. // length
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    int update_status() override;
 
    int commit_status() override;
    int clear_status() override;
    int reset_status() override;
 
    [[nodiscard]] std::vector<vec> record(OutputType) const override;
 
    void print() override;
 
#ifdef SUANPAN_VTK
    [[nodiscard]] vtkSmartPointer<vtkCell> GetCell() const override;
 
    mat GetData(OutputType) override;
    mat GetDeformation(double) override;
#endif
};
 
#endif