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The First Alternative of the Optimal Auxiliary Functions Method

Optimal Auxiliary Functions Method for Nonlinear Dynamical Systems, 2021
In this chapter, we will actually solve the Eq. (2.13) from which the first approximation \(u_{1} (x,C_{i} )\) can be determined.
Vasile Marinca   +2 more
exaly   +4 more sources

Some Exact Solutions for Nonlinear Dynamical Systems by Means of the Optimal Auxiliary Functions Method

Optimal Auxiliary Functions Method for Nonlinear Dynamical Systems, 2021
In this Chapter, we will present some particular cases in which we can determine exact solutions to nonlinear dynamical systems. More precisely, for nonlinear dynamical systems given by the nonlinear differential equation.
Vasile Marinca   +2 more
openaire   +2 more sources

Optimal Auxiliary Functions Method for Nonlinear Vibration of Doubly Clamped Nanobeam Incorporating the Casimir Force

2020
The optimal auxiliary functions method is implemented in this paper to derive an analytical approximate solution for the problem of nonlinear vibrations of doubly clamped nanobeam incorporating the Casimir force. A closed form solution is obtained. This model accounts for the inherent nonlinearity of the Casimir force and the geometric nonlinearity of ...
Vasile Marinca, Nicolae Herisanu
openaire   +2 more sources

Analysis of Nonlinear Dynamic Behavior of a Rotating Electrical Machine Rotor-Bearing System Using Optimal Auxiliary Functions Method

2018
Rotating electrical machines are widely used in engineering and industry applications due to their reliability. The machines under study are subjected to a parametric excitation caused by an inertial thrust and a forcing excitation caused by an unbalanced force of the rotor while the entire system is being supported by nonlinear bearings with nonlinear
Nicolae Herisanu, Vasile Marinca
openaire   +2 more sources

Density inversion method for local basis sets without potential auxiliary functions: inverting densities from RDMFT.

Physical Chemistry, Chemical Physics - PCCP, 2022
A density inversion method is presented, to obtain the constrained, optimal, local potential that has a prescribed asymptotic behaviour and reproduces optimally any given ground-state electronic density. This work builds upon the method of [Callow et al.,
S. Bousiadi   +2 more
semanticscholar   +1 more source

Reliability Evaluation and Maintenance Planning for Systems With Load-Sharing Auxiliary Components

IEEE Transactions on Reliability, 2023
In many engineering systems, aside from the main component fulfilling the essential functions, a number of auxiliary components are configured to protect the main component and improve the reliability of the system.
Xiayu Cai, Jingyuan Shen, Lijuan Shen
semanticscholar   +1 more source

Auxiliary-system-based composite adaptive optimal backstepping control for uncertain nonlinear guidance systems with input constraints.

ISA transactions, 2020
This paper addresses a missile-target interception guidance process considering acceleration saturation and target maneuver as a constrained nonlinear tracking issue.
Jingliang Sun, Chunsheng Liu
semanticscholar   +1 more source

Theory and Computations for the System of Integral Equations via the use of Optimal Auxiliary Function Method

International Journal of Emerging Multidisciplinaries: Mathematics, 2022
This paper extends the application of Optimal Auxiliary Function Method (OAFM) to the system of integral equations. The system of Volterra integral equations of second kind are taken as test examples. The results obtained by proposed method are compared with different methods i.e., Biorthogonal systems in a Banach space Fixed point, the implicit ...
Laiq Zada, Falak Naz, Rashid Nawaz
openaire   +1 more source

A new global optimization technique by auxiliary function method in a directional search

Optimization Letters, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
ŞAHİNER, Ahmet, Ibrahem, Shehab A.
openaire   +3 more sources

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