DC3D8.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 DC3D8_H
#define DC3D8_H
 
#include <Element/MaterialElement.h>
#include <Element/Utility/PhaseField.h>
 
class DC3D8 final : public MaterialElement3D {
    struct IntegrationPoint final : PhaseField {
        vec coor;
        double weight;
        double maximum_energy = 0.;
        unique_ptr<Material> c_material;
        mat n_mat, pn_mat;
        sp_mat strain_mat;
        IntegrationPoint(vec&&, double, unique_ptr<Material>&&, mat&&, mat&&);
    };
 
    static constexpr unsigned c_node = 8, c_dof = 4, c_size = c_dof * c_node;
 
    static const uvec u_dof, d_dof;
 
    const double release_rate;
 
    vector<IntegrationPoint> int_pt;
 
public:
    DC3D8(
        unsigned, // tag
        uvec&&,   // node tag
        unsigned, // material tag
        double,   // characteristic length
        double    // release rate
    );
 
    int initialize(const shared_ptr<DomainBase>&) override;
 
    int update_status() override;
 
    int commit_status() override;
    int clear_status() override;
    int reset_status() override;
 
    vector<vec> record(OutputType) override;
 
    void print() override;
 
#ifdef SUANPAN_VTK
    void Setup() override;
    mat GetData(OutputType) override;
    void GetData(vtkSmartPointer<vtkDoubleArray>&, OutputType) override;
    void SetDeformation(vtkSmartPointer<vtkPoints>&, double) override;
#endif
};
 
#endif