Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
Volume 231, Issue 16, Pages 2961-2973Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954406217700928
Keywords
Guided-ultrasonic wave dispersion curves; structural health monitoring; isotropic; anisotropic; composite laminates; unified analytic method; SAFE; DISPERSE
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Funding
- National Aeronautics and Space Administration (NASA) [NNL15AA16C]
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Multiple approaches and programs are available to the public to predict ultrasonic guided-wave propagation dispersion curves in a material. Each approach and program will have its own advantage and disadvantage making it suitable for a specific end use and less suitable for others. This manuscript aims to compare three different guided-ultrasonic wave dispersion curves retrieval methods for multiple cases. First a single layer of isotropic, unidirectional, orthotropic and monoclinic material is examined, followed by a multi-layer case (consisting of 10 layers of the aforementioned materials) and finally four different laminates and one sandwich laminate are evaluated. The goal of this manuscript is to give a concise overview of the advantages and limitations of each approach to assist the end user in choosing the right program to use.
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