Modal analysis of functionally graded Timoshenko beam

Authors

  • Nguyen Ngoc Huyen Thuy Loi University, Hanoi
  • Nguyen Tien Khiem Institute of Mechanics, VAST, Hanoi

DOI:

https://doi.org/10.15625/0866-7136/7582

Keywords:

FGM, Timoshenko beam, modal analysis

Abstract

Dynamic analysis of FGM Timoshenko beam is formulated in the frequency domain taking into account the actual position of neutral plane. The problem formulation enables to obtain explicit expressions for frequency equation, natural modes and frequency response of the beam subjected to external load. The representations are straightforward not only to modal analysis and modal testing of FGM Timoshenko beam with general end conditions but also to study coupling of axial and flexural vibration modes. Numerical study is carried out to investigate effect of true neutral axis position and material properties on the modal parameters.

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Published

30-03-2017

How to Cite

Huyen, N. N., & Khiem, N. T. (2017). Modal analysis of functionally graded Timoshenko beam. Vietnam Journal of Mechanics, 39(1), 31–50. https://doi.org/10.15625/0866-7136/7582

Issue

Section

Research Paper

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