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Free Vibration Analysis of Double Cylindrical Shells Using Transfer of Influence Coefficent

영향계수의 전달에 의한 2중 원통형 셸의 자유진동해석

  • Choi, Myung-Soo (Department of Maritime Police Science, Chonnam National University) ;
  • Yeo, Dong-Jun (Faculty of Marine Technology, Chonnam National University)
  • 최명수 (전남대학교 해양경찰학과) ;
  • 여동준 (전남대학교 해양기술학부)
  • Received : 2017.07.25
  • Accepted : 2017.09.26
  • Published : 2017.10.31

Abstract

The transfer influence coefficient method which is an vibration analysis algorithm based on the transfer of influence coefficient is applied to the free vibration analysis of double cylindrical shells. After the computational programs for the free vibration analysis of double cylindrical shells were made using the transfer influence coefficient method and the transfer matrix method, we compared the results using the transfer influence coefficient method with those by the transfer matrix method. The transfer influence coefficient method provided the good computational results in the free vibration analysis of double cylindrical shells. In particular, The results of the transfer influence coefficient method are superior to those of the transfer matrix method when the stiffness of internal springs connecting a inside cylindrical shell and a outside cylindrical shell is very large.

Keywords

Acknowledgement

Supported by : 전남대학교

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