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Time and Frequency Domain Finite Element Models for Axial Wave Analysis in Hyperelastic Rods

Ramabathiran, Amuthan Arunkumar and Gopalakrishnan, S (2012) Time and Frequency Domain Finite Element Models for Axial Wave Analysis in Hyperelastic Rods. In: Mechanics of Advanced Materials and Structures, 19 (1-3). pp. 79-99.

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1537649...


The propagation of axial waves in hyperelastic rods is studied using both time and frequency domain finite element models. The nonlinearity is introduced using the Murnaghan strain energy function and the equations governing the dynamics of the rod are derived assuming linear kinematics. In the time domain, the standard Galerkin finite element method, spectral element method, and Taylor-Galerkin finite element method are considered. A frequency domain formulation based on the Fourier spectral method is also developed. It is found that the time domain spectral element method provides the most efficient numerical tool for the problem considered.

Item Type: Journal Article
Publication: Mechanics of Advanced Materials and Structures
Publisher: Taylor and Francis Group
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Keywords: nonlinear wave;nonlinear finite element;legendre spectral elements;Taylor-Galerkin scheme;Generalized Galerkin Scheme; Fourier Spectral Element Method
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 18 May 2012 09:11
Last Modified: 18 May 2012 09:11
URI: http://eprints.iisc.ac.in/id/eprint/44418

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