CustomGurson1D.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 CUSTOMGURSON1D_H
#define CUSTOMGURSON1D_H
 
#include "NonlinearGurson1D.h"
 
#include <Toolbox/Expression.h>
#include <Toolbox/ResourceHolder.h>
 
class CustomGurson1D final : public NonlinearGurson1D {
    const unsigned expression_tag;
 
    ResourceHolder<Expression> expression;
 
    [[nodiscard]] vec compute_hardening(double) const override;
 
public:
    CustomGurson1D(
        unsigned,   // tag
        unsigned,   // expression tag
        double,     // elastic modulus
        double,     // poisson's ratio
        double,     // q1
        double,     // q2
        double,     // fn
        double,     // sn
        double,     // en
        double = 0. // density
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    unique_ptr<Material> get_copy() override;
 
    void print() override;
};
 
#endif