ConcreteTable.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 CONCRETETABLE_H
#define CONCRETETABLE_H
 
#include <Material/Material1D/Hysteresis/SimpleHysteresis.h>
 
class ConcreteTable final : public SimpleHysteresis {
    mat c_table, t_table;
 
    const double c_strain, t_strain;
 
    [[nodiscard]] pod2 compute_compression_initial_reverse() const override;
    [[nodiscard]] pod2 compute_tension_initial_reverse() const override;
    [[nodiscard]] pod2 compute_compression_backbone(double) const override;
    [[nodiscard]] pod2 compute_tension_backbone(double) const override;
    [[nodiscard]] double compute_compression_residual(double, double) const override;
    [[nodiscard]] double compute_tension_residual(double, double) const override;
 
public:
    ConcreteTable(
        unsigned,   // tag
        mat&&,      // compression table
        mat&&,      // tension table
        double,     // middle point
        double = 0. // density
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    [[nodiscard]] double get(Parameter) const override;
 
    unique_ptr<Material> unique_copy() override;
};
 
#endif