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Ramadas C. Effect of lay-up of sub-waveguide on transmission of S(o) mode from main waveguide to sub-waveguides. Ultrasonics. 2015;64:97-105doi: 10.1016/j.ultras.2015.08.003.
Ramadas, C. (2016). Effect of lay-up of sub-waveguide on transmission of S(o) mode from main waveguide to sub-waveguides. Ultrasonics, 6497-105. https://doi.org/10.1016/j.ultras.2015.08.003
Ramadas, C. "Effect of lay-up of sub-waveguide on transmission of S(o) mode from main waveguide to sub-waveguides." Ultrasonics vol. 64 (2016): 97-105. doi: https://doi.org/10.1016/j.ultras.2015.08.003
Ramadas C. Effect of lay-up of sub-waveguide on transmission of S(o) mode from main waveguide to sub-waveguides. Ultrasonics. 2016 Jan;64:97-105. doi: 10.1016/j.ultras.2015.08.003. Epub 2015 Aug 18. PMID: 26341850.
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Ultrasonics. 2016 Jan;64:97-105. doi: 10.1016/j.ultras.2015.08.003. Epub 2015 Aug 18.

Effect of lay-up of sub-waveguide on transmission of S(o) mode from main waveguide to sub-waveguides.

Ultrasonics

C Ramadas

Affiliations

  1. Composites Research Center, R & D E (E), Alandi Road, Dighi, Pune 411015, India. Electronic address: [email protected].

PMID: 26341850 DOI: 10.1016/j.ultras.2015.08.003

Abstract

This paper focuses on transmission characteristics of fundamental symmetric Lamb mode (So) at the junction of a main waveguide and sub-waveguides in composite laminates. Numerical simulations on transmission of So from the main to sub-waveguide revealed that transmission factors of the modes depend on stacking sequence of plies in the waveguides. Experiments were carried out to verify the observations made in numerical simulations. This work gives an insight on the transmission characteristics of So mode while it propagates from a healthy to a delaminated region in a composite laminate.

Copyright © 2015 Elsevier B.V. All rights reserved.

Keywords: Air-coupled probes; Lamb wave; Stacking sequence; Transmission factor

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