Applied Mathematics and Mechanics

, Volume 21, Issue 7, pp 819–824 | Cite as

Improved L-P method for solving strongly nonlinear problems

  • Yuan Yiwu
  • Liu Youwen
Article

Abstract

Using the improved LP method, the authors seek to salve a class of problems of square strongly nonlinear free oscillations and of strongly nonlinear nonoscillations . Their first-order approximate solutions which has high accuracy are obtained. The method of this paper is different from the known L-P methods.

Key words

improved L-P method strong nonlinearity oscillation differential equation 

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References

  1. [ 1 ]
    Tang Jiashi, Yin Xiaobo. Bifurcation of a class of strongly nonlinear oscillation systems [J].Acta Mechanica Sinica, 1996,28(3):363 ∼ 369. (in Chinese)MathSciNetGoogle Scholar
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    Zhang Y. K., Chen Shuhui, Analysis for the strong nonlinearity oscillation of conservative system by using the improved Lindtstedt-Poincare method [ A]. In: Huang Qian, Pan Lizhou, Ed. Proceeding of Applied Mathematics and Mechanics for Congratulating on Chien Weizang 80 Birthday [C] Beijing: Science Press and Chongqing Publishing House 1993, 30 ∼ 39. (in Chinese)Google Scholar
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    Nayfeh, A. H., Problems in Perturbation [M]. Translated. by Song Jiazhow and Dai Shiqiang. Shanghai: Shanghai Translation Company, 1990. (in Chinese)Google Scholar

Copyright information

© Editorial Committee of Applied Mathematics and Mechanics 1980

Authors and Affiliations

  • Yuan Yiwu
    • 1
  • Liu Youwen
    • 2
  1. 1.Central South University of TechnologyChangshaP R China
  2. 2.Hunan UniversityChangshaP R China

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