RigidWallPenalty.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 RIGIDWALLPENALTY_H
#define RIGIDWALLPENALTY_H
 
#include "Constraint.h"
#include <Domain/NodeHelper.hpp>
 
class RigidWallPenalty : public Constraint {
protected:
    template<DOF... D> void set_handler() { throw std::logic_error("not implemented"); }
 
    const unsigned n_dim;
 
    const double alpha;
 
    const vec edge_a, edge_b;
    const vec origin, outer_norm;
    const double length_a = 0., length_b = 0.;
 
    bool (*checker_handler)(const shared_ptr<Node>&) = nullptr;
    Col<double> (*current_velocity_handler)(const shared_ptr<Node>&) = nullptr;
    Col<double> (*incre_acceleration_handler)(const shared_ptr<Node>&) = nullptr;
    Col<double> (*trial_position_handler)(const shared_ptr<Node>&) = nullptr;
    Col<double> (*trial_displacement_handler)(const shared_ptr<Node>&) = nullptr;
    Col<double> (*trial_velocity_handler)(const shared_ptr<Node>&) = nullptr;
    Col<double> (*trial_acceleration_handler)(const shared_ptr<Node>&) = nullptr;
public:
    RigidWallPenalty(unsigned, unsigned, unsigned, vec&&, vec&&, double, unsigned);
    RigidWallPenalty(unsigned, unsigned, unsigned, vec&&, vec&&, vec&&, double, unsigned);
 
    int process(const shared_ptr<DomainBase>&) override;
 
    void commit_status() override;
    void clear_status() override;
    void reset_status() override;
};
 
template<> inline void RigidWallPenalty::set_handler<DOF::U1>() {
    checker_handler = check_dof_definition<DOF::U1>;
    current_velocity_handler = get_current_velocity<DOF::U1>;
    incre_acceleration_handler = get_incre_acceleration<DOF::U1>;
    trial_position_handler = get_trial_position<DOF::U1>;
    trial_displacement_handler = get_trial_displacement<DOF::U1>;
    trial_velocity_handler = get_trial_velocity<DOF::U1>;
    trial_acceleration_handler = get_trial_acceleration<DOF::U1>;
}
 
template<> inline void RigidWallPenalty::set_handler<DOF::U1, DOF::U2>() {
    checker_handler = check_dof_definition<DOF::U1, DOF::U2>;
    current_velocity_handler = get_current_velocity<DOF::U1, DOF::U2>;
    incre_acceleration_handler = get_incre_acceleration<DOF::U1, DOF::U2>;
    trial_position_handler = get_trial_position<DOF::U1, DOF::U2>;
    trial_displacement_handler = get_trial_displacement<DOF::U1, DOF::U2>;
    trial_velocity_handler = get_trial_velocity<DOF::U1, DOF::U2>;
    trial_acceleration_handler = get_trial_acceleration<DOF::U1, DOF::U2>;
}
 
template<> inline void RigidWallPenalty::set_handler<DOF::U1, DOF::U2, DOF::U3>() {
    checker_handler = check_dof_definition<DOF::U1, DOF::U2, DOF::U3>;
    current_velocity_handler = get_current_velocity<DOF::U1, DOF::U2, DOF::U3>;
    incre_acceleration_handler = get_incre_acceleration<DOF::U1, DOF::U2, DOF::U3>;
    trial_position_handler = get_trial_position<DOF::U1, DOF::U2, DOF::U3>;
    trial_displacement_handler = get_trial_displacement<DOF::U1, DOF::U2, DOF::U3>;
    trial_velocity_handler = get_trial_velocity<DOF::U1, DOF::U2, DOF::U3>;
    trial_acceleration_handler = get_trial_acceleration<DOF::U1, DOF::U2, DOF::U3>;
}
 
class RigidWallPenalty1D final : public RigidWallPenalty {
public:
    RigidWallPenalty1D(unsigned, unsigned, unsigned, vec&&, vec&&, double);
};
 
class RigidWallPenalty2D final : public RigidWallPenalty {
public:
    RigidWallPenalty2D(unsigned, unsigned, unsigned, vec&&, vec&&, double);
    RigidWallPenalty2D(unsigned, unsigned, unsigned, vec&&, vec&&, vec&&, double);
};
 
class RigidWallPenalty3D final : public RigidWallPenalty {
public:
    RigidWallPenalty3D(unsigned, unsigned, unsigned, vec&&, vec&&, double);
    RigidWallPenalty3D(unsigned, unsigned, unsigned, vec&&, vec&&, vec&&, double);
};
 
#endif