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Approximate Solutions for Conservative Nonlinear Oscillators by He’s Homotopy Method

Beléndez, Augusto ; Álvarez, Mariela L ; Méndez, David I ; Fernández, Elena ; Yebra, María S ; Beléndeza, Tarsicio

Zeitschrift für Naturforschung. A, A journal of physical sciences, 2008-09-01, Vol.63 (9), p.529-537

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Title:
Approximate Solutions for Conservative Nonlinear Oscillators by He’s Homotopy Method
Author: Beléndez, Augusto ; Álvarez, Mariela L ; Méndez, David I ; Fernández, Elena ; Yebra, María S ; Beléndeza, Tarsicio
Subjects: Homotopy Perturbation Method ; Nonlinear Oscillators ; Approximate Solutions
Is Part Of: Zeitschrift für Naturforschung. A, A journal of physical sciences, 2008-09-01, Vol.63 (9), p.529-537
Description: He’s homotopy perturbation method is adapted to calculate higher-order approximate periodic solutions of conservative nonlinear oscillators for which the elastic force term is an odd nonlinear function. The method is modified by truncating the infinite series corresponding to the first-order approximate solution before introducing this solution in the second-order linear differential equation, and so on. With carefully constructed iterations, only a few iterations can provide very accurate analytical approximate solutions. An example is presented to illustrate the usefulness and effectiveness of the proposed technique, and comparison of the results obtained using this method with those obtained using other techniques reveals that the former is very effective and convenient.
Publisher: Verlag der Zeitschrift für Naturforschung
Language: English
Identifier: ISSN: 0932-0784
EISSN: 1865-7109
DOI: 10.1515/zna-2008-0901

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