BilinearCC.h

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/*******************************************************************************
 * Copyright (C) 2017-2022 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 BILINEARCC_H
#define BILINEARCC_H

#include "NonlinearCamClay.h"

struct DataBilinearCC {
    const double a, a_slope;
};

class BilinearCC final : DataBilinearCC, public NonlinearCamClay {
    [[nodiscard]] double compute_a(double) const override;
    [[nodiscard]] double compute_da(double) const override;

public:
    BilinearCC(unsigned,   // tag
               double,     // elastic modulus
               double,     // poisson's ratio
               double,     // beta
               double,     // m
               double,     // pt
               double,     // a
               double,     // a_slope
               double = 0. // density
    );

    unique_ptr<Material> get_copy() override;

    void print() override;
};

#endif