Wave based method for inducing delamination at the interface
of a layered structure: feasibility study
Wave based method for inducing delamination at the interface
of a layered structure: feasibility study
The possibility of using high frequency elastic waves to deal with an unwanted accretion is a particular interest of this work. We treat the influence of high frequency waves on the integrity of a plate-like layered structure in a general sense, being focused on establishing the range of applicability of the described wavebased method. The basic concept of breaking the bond with the stress field generated by a propagating wave is explored in a feasibility study. Numerical calculations are performed using an implemented wave model based on the Global Matrix Method and reciprocity principle, which enables insight into the physical nature of waves to be retained. Different wave modes’ capability of inducing debonding between the host structure and the accreted layer is inferred from the comparison of the interface shear stress computed for various build-ups. The advantages and limitations of the method are determined by specifying the configurations and accreted layer properties for which the method may be effective and estimating input power requirements.
1881-1895
Kalkowski, Michal
6f0d01ef-7f44-459c-82a2-03f9e1275eda
Rustighi, E.
9544ced4-5057-4491-a45c-643873dfed96
Waters, T.P.
348d22f5-dba1-4384-87ac-04fe5d603c2f
Kalkowski, Michal
6f0d01ef-7f44-459c-82a2-03f9e1275eda
Rustighi, E.
9544ced4-5057-4491-a45c-643873dfed96
Waters, T.P.
348d22f5-dba1-4384-87ac-04fe5d603c2f
Kalkowski, Michal, Rustighi, E. and Waters, T.P.
(2012)
Wave based method for inducing delamination at the interface
of a layered structure: feasibility study.
International Conference on Noise and Vibration Engineering: ISMA 2012, Leuven, Belgium.
17 - 19 Sep 2012.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
The possibility of using high frequency elastic waves to deal with an unwanted accretion is a particular interest of this work. We treat the influence of high frequency waves on the integrity of a plate-like layered structure in a general sense, being focused on establishing the range of applicability of the described wavebased method. The basic concept of breaking the bond with the stress field generated by a propagating wave is explored in a feasibility study. Numerical calculations are performed using an implemented wave model based on the Global Matrix Method and reciprocity principle, which enables insight into the physical nature of waves to be retained. Different wave modes’ capability of inducing debonding between the host structure and the accreted layer is inferred from the comparison of the interface shear stress computed for various build-ups. The advantages and limitations of the method are determined by specifying the configurations and accreted layer properties for which the method may be effective and estimating input power requirements.
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e-pub ahead of print date: 19 September 2012
Venue - Dates:
International Conference on Noise and Vibration Engineering: ISMA 2012, Leuven, Belgium, 2012-09-17 - 2012-09-19
Organisations:
Dynamics Group
Identifiers
Local EPrints ID: 352696
URI: http://eprints.soton.ac.uk/id/eprint/352696
PURE UUID: 5bbe89a7-03ff-4cc4-8fc9-4d737d72f7e6
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Date deposited: 20 May 2013 15:46
Last modified: 14 Mar 2024 13:55
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