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NonlinearGurson1D.h
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2 * Copyright (C) 2017-2024 Theodore Chang
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29#ifndef NONLINEARGURSON1D_H
30#define NONLINEARGURSON1D_H
31
33
35 const double elastic_modulus; // elastic modulus
36 const double poissons_ratio; // poisson's ratio
37
38 const double q1 = 1., q2 = 1., fn = 0., sn = 1., en = 0.;
39};
40
42 static constexpr unsigned max_iteration = 20u;
43
44 const double bulk = elastic_modulus / (3. - 6. * poissons_ratio); // bulk modulus
45 const double three_bulk = 3. * bulk;
46 const double nine_bulk = 9. * bulk;
47
48 const double para_b = fn / sn / sqrt(2. * datum::pi);
49
50 [[nodiscard]] virtual vec compute_hardening(double) const = 0;
51
52public:
54 unsigned, // tag
55 double, // elastic modulus
56 double, // poisson's ratio
57 double, // q1
58 double, // q2
59 double, // fn
60 double, // sn
61 double, // en
62 double = 0. // density
63 );
64
65 int initialize(const shared_ptr<DomainBase>&) override;
66
67 [[nodiscard]] double get_parameter(ParameterType) const override;
68
69 int update_trial_status(const vec&) override;
70
71 int clear_status() override;
72 int commit_status() override;
73 int reset_status() override;
74
75 vector<vec> record(OutputType) override;
76};
77
78#endif
79
OutputType
Definition: OutputType.h:23
ParameterType
Definition: ParameterType.h:21
A Material1D class.
Definition: Material1D.h:36
The NonlinearGurson1D class.
Definition: NonlinearGurson1D.h:41
int update_trial_status(const vec &) override
Definition: NonlinearGurson1D.cpp:36
int reset_status() override
Definition: NonlinearGurson1D.cpp:145
int clear_status() override
Definition: NonlinearGurson1D.cpp:129
int commit_status() override
Definition: NonlinearGurson1D.cpp:137
NonlinearGurson1D(unsigned, double, double, double, double, double, double, double, double=0.)
Definition: NonlinearGurson1D.cpp:22
int initialize(const shared_ptr< DomainBase > &) override
Definition: NonlinearGurson1D.cpp:26
vector< vec > record(OutputType) override
Definition: NonlinearGurson1D.cpp:153
double get_parameter(ParameterType) const override
Definition: NonlinearGurson1D.cpp:34
Definition: NonlinearGurson1D.h:34
const double q2
Definition: NonlinearGurson1D.h:38
const double poissons_ratio
Definition: NonlinearGurson1D.h:36
const double fn
Definition: NonlinearGurson1D.h:38
const double en
Definition: NonlinearGurson1D.h:38
const double q1
Definition: NonlinearGurson1D.h:38
const double elastic_modulus
Definition: NonlinearGurson1D.h:35
const double sn
Definition: NonlinearGurson1D.h:38