Applied Mathematics and Mechanics (English Edition) ›› 1984, Vol. 5 ›› Issue (2): 1185-1196.

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EXTENDED VARIATIONAL PRINCIPLE IN NONLINEAR THEORY OF ELASTICITY

Zheng Quan-shui   

  1. Department of Civil Engineering, Jiangxi Institute of Technology
  • Received:1983-04-18 Online:1984-03-18 Published:1984-03-18

Abstract: From the extended energy functional**, a unified variational principle and an extended variational principle** are given and proved in this paper. It is about the non-conservative, abrupt and divided domains static (or kinetic) system and by using the undetermined energy functional, we can immediately deduce various variational principles.

Key words: soliton perturbation, soliton parameter, nonlinear Klein-Gordon soliton

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