University of Surrey

Test tubes in the lab Research in the ATI Dance Research

Analytical and numerical study of early-time response in pulse-loaded visco-elastic composites

Micallef, K, Soleiman-Fallah, A, Curtis, PT, Pope, DJ and Louca, LA (2011) Analytical and numerical study of early-time response in pulse-loaded visco-elastic composites Applied Mechanics and Materials, 82. pp. 214-219.

Full text not available from this repository.


Hyperbolic partial differential equations with one space variable are used to investigate the longitudinal wave propagation through an elastic composite medium. A high order Lagrangian finite element is used to model the wave propagation and the weak-form Galerkin weighted residual method is adopted for solving the governing differential equations, viz., the one-dimensional wave equation which is extended to include damping and strain-rate effects. The numerical solutions are compared to analytical solutions (where they exist) and excellent temporal and spatial correlation is achieved, within 90-95% accuracy. It is found that damping leads to a decrease in peak stresses and strains by up to 11% for 5% of critical damping, even during the direct loading phase. It is shown that the inclusion of strain-rate did not have an effect on strains but led to an increase in stresses by almost 95%. The inclusion of both damping and strain-rate effects together increased stress values by up to 70% compared to the non-viscous cases. © (2011) Trans Tech Publications.

Item Type: Article
Authors :
Date : 31 August 2011
Identification Number : 10.4028/
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:42
Last Modified : 17 May 2017 12:42

Actions (login required)

View Item View Item


Downloads per month over past year

Information about this web site

© The University of Surrey, Guildford, Surrey, GU2 7XH, United Kingdom.
+44 (0)1483 300800