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Periodic solutions for some strongly nonlinear oscillations by He’s variational iteration method

✍ Scribed by Vasile Marinca; Nicolae Herisanu

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
318 KB
Volume
54
Category
Article
ISSN
0898-1221

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✦ Synopsis

In this paper, we implement a new analytical technique, He's variational iteration method, for some strongly nonlinear oscillations. A correction functional is constructed by using a general Lagrange multiplier, which can be identified via the variational theory. The obtained approximate solutions and periods are compared with exact or numerical results to verify the effectiveness and accuracy of the method.

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