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Analysis of deflection in visco-thermoelastic beam resonators subjected to harmonic loading

Chopra Deepti, Singh Prince

International Journal of Applied Mechanics and Engineering

2022

Vol. 27, no. 2

35--52

This paper analyses the transverse deflection in a homogeneous, isotropic, visco-thermoelastic beam when subjected to harmonic load. The ends of the beam are considered at different boundary conditions (both axial ends clamped, both axial ends simply supported and left end clamped and right end free). The deflection has been studied by using the Laplace transform. Numerical computation of analytical expression of deflection obtained after Inverse Laplace transform has been done using MATLAB software. The graphical observations have been discussed under various boundary conditions for different values of time and length. The above work has applications in design of resonators.