Substepping.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 SUBSTEPPING_H
#define SUBSTEPPING_H
 
#include <Material/Material.h>
#include <Toolbox/ResourceHolder.h>
 
class Substepping final : public Material {
    const unsigned max_iteration;
 
    const unsigned mat_tag;
 
    ResourceHolder<Material> trial_mat_obj, current_mat_obj;
 
public:
    Substepping(
        unsigned, // tag
        unsigned, // mat tag
        unsigned  // max iteration
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    unique_ptr<Material> unique_copy() override;
 
    [[nodiscard]] double get(Parameter) const override;
 
    [[nodiscard]] const mat& get_initial_damping() const override;
    [[nodiscard]] const vec& get_initial_history() const override;
    [[nodiscard]] const mat& get_initial_stiffness() const override;
 
    const mat& get_current_damping() override;
    const mat& get_current_secant() override;
    const mat& get_current_stiffness() override;
 
    const mat& get_trial_damping() override;
    const mat& get_trial_secant() override;
    const mat& get_trial_stiffness() override;
 
    const vec& get_current_strain() override;
    const vec& get_current_strain_rate() override;
    const vec& get_current_stress() override;
 
    const vec& get_trial_strain() override;
    const vec& get_trial_strain_rate() override;
    const vec& get_trial_stress() override;
 
    void set_initial_history(const vec&) override;
 
    int update_trial_status(const vec&) override;
 
    int clear_status() override;
    int commit_status() override;
    int reset_status() override;
 
    [[nodiscard]] std::vector<vec> record(OutputType) const override;
 
    void print() override;
};
 
#endif