Damper02.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 DAMPER02_H
#define DAMPER02_H
 
#include <Element/MaterialElement.h>
 
class Damper02 final : public MaterialElement1D {
    static constexpr unsigned d_node = 2;
 
    const unsigned d_dof;
    const unsigned d_size = d_dof * d_node;
 
    const uvec IS, JS;
 
    const vec direction_cosine;
 
    unique_ptr<Material> device;
 
public:
    Damper02(
        unsigned, // tag
        uvec&&,   // node tag
        unsigned, // damper tag
        unsigned, // spring tag
        bool,     // if to use matrix formulation
        unsigned, // if proceed when fail to converge
        double,   // beta
        unsigned  // dimension
    );
 
    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;
};
 
#endif