Spring02.h

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/*******************************************************************************
 * Copyright (C) 2017-2025 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 SPRING02_H
#define SPRING02_H
 
#include <Element/MaterialElement.h>
 
class Spring02 final : public MaterialElement1D {
    static constexpr unsigned s_node = 2, s_dof = 2, s_size = s_dof * s_node;
 
    static uvec IS, JS;
 
    const double length = 0.;
 
    vec direction_cosine;
 
    unique_ptr<Material> s_material;
 
public:
    Spring02(
        unsigned, // tag
        uvec&&,   // node tags
        unsigned  // material tag
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    int update_status() override;
 
    int commit_status() override;
    int clear_status() override;
    int reset_status() override;
 
    std::vector<vec> record(OutputType) override;
 
    void print() override;
};
 
#endif