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  5. Effect of variable axial force on the vibration of a thin beam subjected to moving concentrated loads
 
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Effect of variable axial force on the vibration of a thin beam subjected to moving concentrated loads

Journal
Applied Mathematics and Computational Intelligence (AMCI)
ISSN
2289-1315
Date Issued
2022-12
Author(s)
Afolabi G. Ariwayo
Adekunle Ajasin University
Peter O. Olatunji
Adekunle Ajasin University
Abstract
The effect of variable axial force on a loaded beam subjected to both constant and variable loads are considered herein. The beam isassumed to beuniform, thin, and has a simple support at both ends.The constant load moves with constant velocity and uniform acceleration. The Galerkin’s method and theintegral transformation method areemployed in solving the fourth order partial differential equation describing the motion of the beam –load system. On solving, results show that, increase in the values of axial force𝑁gives a significant reductionin the deflection profile of the vibrating beam. Results also show that the addition of theaxial force𝑁, foundation modulus𝐾, and consideration of a damping effect in the governing equation increases the critical velocity of the dynamical system,thus, the risk of resonance is reduced.
Subjects
  • Axial force

  • Beam

  • Concentrated loads

  • Foundation modulus

  • Galerkin’s method

File(s)
Effect of Variable Axial Force on the Vibration of a Thin Beam.pdf (409.42 KB)
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Acquisition Date
Nov 19, 2024
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Acquisition Date
Nov 19, 2024
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