VAFNM.h

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/*******************************************************************************
 * Copyright (C) 2017-2024 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 VAFNM_H
#define VAFNM_H
 
#include "NonlinearNM.h"
 
class VAFNM : public NonlinearNM {
    const double iso_modulus, iso_saturation, iso_decay;
 
    const vec kin_modulus, kin_base;
 
    [[nodiscard]] int compute_local_integration(vec&, mat&) override;
 
protected:
    [[nodiscard]] vec compute_h(double) const override;
    [[nodiscard]] vec compute_dh(double) const override;
 
public:
    VAFNM(
        unsigned, // tag
        double,   // axial rigidity
        double,   // flexural rigidity
        double,   // isotropic modulus
        double,   // isotropic saturation
        double,   // isotropic decay
        vec&&,    // kinematic modulus
        vec&&,    // kinematic base
        double,   // linear density
        vec&&
    );
    VAFNM(
        unsigned, // tag
        double,   // axial rigidity
        double,   // flexural rigidity
        double,   // flexural rigidity
        double,   // isotropic modulus
        double,   // isotropic saturation
        double,   // isotropic decay
        vec&&,    // kinematic modulus
        vec&&,    // kinematic base
        double,   // linear density
        vec&&
    );
};
 
#endif