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3D ELASTODYNAMIC FINITE INTEGRATION TECHNIQUE SIMULATION OF GUIDED WAVES IN EXTENDED BUILT-UP STRUCTURES CONTAINING FLAWS

Department of Applied Science, The College of William & Mary in Virginia, NDE Lab @ 116 Jamestown Road, Williamsburg, VA 23187-8795, USA

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and

MARK HINDERS

Department of Applied Science, The College of William & Mary in Virginia, NDE Lab @ 116 Jamestown Road, Williamsburg, VA 23187-8795, USA

Corresponding author.

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https://doi.org/10.1142/S0218396X10004097Cited by:17 (Source: Crossref)

Abstract

In order to understand guided wave propagation through real structures containing flaws, a parallel processing, 3D elastic wave simulation using the elastodynamic finite integration technique (EFIT) has been developed. This full field, numeric simulation technique easily examines models too complex for analytical solutions, and is developed to handle built up 3D structures as well as layers with different material properties and complicated surface detail. The simulations produce informative visualizations of the guided wave modes in the structures as well as the output from sensors placed in the simulation space to mimic experiment.

Keywords:

PACS: 43.35.Zc, 43.40.Le, 43.60.Hj

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