CP7.h

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/*******************************************************************************
 * Copyright (C) 2017-2023 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 CP7_H
#define CP7_H
 
#include <Element/MaterialElement.h>
 
class CP7 final : public MaterialElement2D {
    struct IntegrationPoint final {
        vec coor;
        double weight;
        unique_ptr<Material> m_material;
        mat pn_pxy, strain_mat;
        IntegrationPoint(vec&&, double, unique_ptr<Material>&&, mat&&);
    };
 
    static constexpr unsigned m_node = 7, m_dof = 2, m_size = m_dof * m_node;
 
    const double thickness;
 
    vector<IntegrationPoint> int_pt;
 
public:
    CP7(unsigned,    // tag
        uvec&&,      // node tag
        unsigned,    // material tag
        double = 1., // thickness
        bool = false // nonlinear geometry switch
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    int update_status() override;
 
    int commit_status() override;
    int clear_status() override;
    int reset_status() override;
 
    [[nodiscard]] mat compute_shape_function(const mat&, unsigned) const override;
 
    vector<vec> record(OutputType) override;
 
    void print() override;
};
 
#endif