NEML2 2.1.0
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Newton.h
1// Copyright 2024, UChicago Argonne, LLC
2// All Rights Reserved
3// Software Name: NEML2 -- the New Engineering material Model Library, version 2
4// By: Argonne National Laboratory
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24
25#pragma once
26
27#include "neml2/equation_systems/NonlinearSystem.h"
28#include "neml2/solvers/NonlinearSolver.h"
29
30namespace neml2
31{
32class Scalar;
33
40class Newton : public NonlinearSolver
41{
42public:
44
45 Newton(const OptionSet & options);
46
48
49protected:
51 virtual void prepare(const NonlinearSystem &) {}
52
62 virtual bool converged(size_t itr, const Scalar & nb, const Scalar & nb0) const;
63
65 virtual void update(NonlinearSystem & sys);
66
68 virtual void final_update(NonlinearSystem & sys);
69};
70} // namespace neml2
virtual void update(NonlinearSystem &sys)
Update trial solution with fresh function graph.
Result solve(NonlinearSystem &) override
Solve the given nonlinear system.
virtual void prepare(const NonlinearSystem &)
Prepare solver internal data before the iterative update.
Definition Newton.h:51
virtual bool converged(size_t itr, const Scalar &nb, const Scalar &nb0) const
Check for convergence. The current iteration is said to be converged if the residual norm is below th...
Newton(const OptionSet &options)
static OptionSet expected_options()
virtual void final_update(NonlinearSystem &sys)
Update solution with function graph.
NonlinearSolver(const OptionSet &options)
Definition of a nonlinear system of equations, r(u) = 0.
Definition NonlinearSystem.h:44
A custom map-like data structure. The keys are strings, and the values can be nonhomogeneously typed.
Definition OptionSet.h:52
Scalar.
Definition Scalar.h:38
Definition DiagnosticsInterface.h:31
Definition NonlinearSolver.h:51