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Newmark.h
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1/*******************************************************************************
2 * Copyright (C) 2017-2024 Theodore Chang
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
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12 * GNU General Public License for more details.
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40#ifndef NEWMARK_H
41#define NEWMARK_H
42
43#include "Integrator.h"
44
46 const double beta;
47 const double gamma;
48protected:
49 double C0 = 0., C1 = 0., C2 = 0., C3 = 0., C4 = 0., C5 = 0.;
50public:
51 explicit Newmark(unsigned = 0, double = .25, double = .5);
52
53 void assemble_resistance() override;
54 void assemble_matrix() override;
55
56 int update_trial_status() override;
57
58 void update_parameter(double) override;
59
60 vec from_incre_velocity(const vec&, const uvec&) override;
61 vec from_incre_acceleration(const vec&, const uvec&) override;
62
63 void print() override;
64};
65
66#endif
67
Definition: Integrator.h:149
A Newmark class defines a solver using Newmark algorithm.
Definition: Newmark.h:45
Newmark(unsigned=0, double=.25, double=.5)
Definition: Newmark.cpp:22
void assemble_matrix() override
Definition: Newmark.cpp:44
double C1
Definition: Newmark.h:49
vec from_incre_acceleration(const vec &, const uvec &) override
Definition: Newmark.cpp:83
double C4
Definition: Newmark.h:49
double C3
Definition: Newmark.h:49
void update_parameter(double) override
Definition: Newmark.cpp:89
double C2
Definition: Newmark.h:49
int update_trial_status() override
Definition: Newmark.cpp:67
double C5
Definition: Newmark.h:49
double C0
Definition: Newmark.h:49
vec from_incre_velocity(const vec &, const uvec &) override
Definition: Newmark.cpp:77
void assemble_resistance() override
Definition: Newmark.cpp:27
void print() override
Definition: Newmark.cpp:100