Dispersion study of plane-strain vibrations in poroelastic solid bars with polygonal cross-section

Author:

Bandari Sandhya Rani,Perati Malla Reddy1,Gangu Gangadhar Reddy2

Affiliation:

1. Department of Mathematics, Kakatiya University, Warangal, India

2. Department of Physics, Kakatiya University, Warangal, India

Abstract

This paper studies wave propagation in a poroelastic solid bar with polygonal cross-section under plane-strain conditions. The boundary conditions on the surface of the cylinder whose base curve is polygon are satisfied by means of the Fourier expansion collocation method. The frequency equations are discussed for both symmetric and antisymmetric modes in the framework of Biot’s theory of poroelastic solids. For illustration purposes, sandstone saturated materials and bony material are considered. The numerical results were computed as the basis of relevant material data . Phase velocity is computed against the wavenumber for various cross-sections and results are presented graphically.

Publisher

SAGE Publications

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