Energy based approach for solving conservative nonlinear systems

  • Bayat, M. (Young Researchers and Elite Club, Roudehen Branch, Islamic Azad University) ;
  • Pakar, I. (Young Researchers and Elites Club, Mashhad Branch, Islamic Azad University) ;
  • Cao, M.S. (Department of Engineering Mechanics, Hohai University)
  • Received : 2016.11.30
  • Accepted : 2017.08.21
  • Published : 2017.08.25


This paper concerns two new analytical approaches for solving high nonlinear vibration equations. Energy Balance method and Hamiltonian Approach are presented and successfully applied for nonlinear vibration equations. In these approaches, there is no need to use small parameters to solve and only with one iteration, high accurate results are reached. Numerical procedures are also presented to compare the results of analytical and numerical ones. It has been established that, the proposed approaches are in good agreement with numerical solutions.


conservative systems;nonlinear vibration;Energy Balance method;Hamiltonian Approach


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