Governed by: Ministry of Industry and Information Technology of the People's Republic of China
Sponsored by: Northwestern Polytechnical University  Chinese Society Aeronautics and Astronautics
Address: Aviation Building,Youyi Campus, Northwestern Polytechnical University
Advance in the study on the energy finite element method and the application in predicting high-frequency vibration response of aircraft
Affiliation:

Northwestern Polytechnical University

Clc Number:

V214

Fund Project:

The National Natural Science Foundation of China (Grant No. 12302228), and the Natural Science Basic Research Program of Shaanxi Province (Grant No. 2022JQ-070)

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    Abstract:

    The high-frequency vibration problem of structures seriously affects the service safety, reliability and comfort of the aircraft. It is of great academic value and engineering significance to predict the high-frequency vibration response of structures efficiently and accurately. The energy finite element method (EFEM) is a new method developed in recent years to predict high-frequency vibration response. It overcomes the shortcomings of traditional methods such as the finite element method (FEM) and the statistical energy analysis (SEA) in predicting high-frequency vibration response. In this paper, the research progress of the energy finite element method in recent years are reviewed. The basic theory of the energy finite element method and its extension and application in engineering are elaborated. Studies of the energy finite element method in predicting the high-frequency vibration response of aircraft structures is introduced. In addition, the future directions of the energy finite element method are prospected.

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CHEN Zhaolin, YANG Zhichun. Advance in the study on the energy finite element method and the application in predicting high-frequency vibration response of aircraft[J]. Advances in Aeronautical Science and Engineering,2024,15(6):51-65

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History
  • Received:April 14,2024
  • Revised:May 27,2024
  • Adopted:June 12,2024
  • Online: November 05,2024
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