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Semi-Numerical, Semi-Analytical Approximations of the Rayleigh Equation for Gas-Filled Hyper-Spherical Bubble

  • Yupeng Qin
  • , Zhen Wang*
  • , Li Zou
  • , Mingfeng He
  • *Corresponding author for this work
  • Dalian University of Technology
  • Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration

Research output: Contribution to journalArticlepeer-review

Abstract

A new semi-numerical, semi-analytical approach based on the differential transform method is proposed to solve the problems of a gas-filled hyper-spherical bubble governed by the Rayleigh equation. Semi-numerical, semi-analytical approximations are constructed for the Rayleigh equation in the form of piecewise functions. The proposed approach is compared with the standard fourth-order Runge-Kutta method and the standard differential transform method, respectively. The results reveal two main benefits of the new approach, one is that it possesses result with higher precision than the standard fourth-order Runge-Kutta method, the other is that it remains valid and accurate for longer time compared to the standard differential transform method. In addition, we also consider the Rayleigh equation in N dimensions when the surface tension is not zero.

Original languageEnglish
Article number1850094
JournalInternational Journal of Computational Methods
Volume16
Issue number1
DOIs
StatePublished - 1 Feb 2019
Externally publishedYes

Keywords

  • Rayleigh equation
  • differential transform method
  • gas-filled hyper-spherical bubble
  • semi-numerical, semi-analytical approximations

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