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SPIE - Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring 2011
Schmidt, Daniel and Heinze, Christoph and Hillger, Wolfgang and Szewieczek, Artur and Sinapius, Michael and Wierach, Peter (2011) SPIE - Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring 2011. Design of mode selective actuators for Lamb wave excitation in composite plates, 06.-10. März 2011, San Diego, USA.
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Abstract
Structural Health Monitoring (SHM) based on Lamb waves, a type of ultrasonic guided waves, is a promising method for in-service inspection of composite structures. In this study mode selective actuators are developed to excite a particular Lamb wave mode in composite plates. Different ma-nufacturing technologies based on monolithic piezoceramics with applied interdigitated electrodes and piezocomposites are described. A mode selective actuator is designed and optimized. Finite element modeling and experimental tests on quasi-isotropic composite plates are performed in order to characterize the mode selectivity of the actuators.
| Document Type: | Conference or Workshop Item (Paper) | ||||||||||||||
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| Title: | SPIE - Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring 2011 | ||||||||||||||
| Authors: |
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| Date: | March 2011 | ||||||||||||||
| Keywords: | Structural Health Monitoring, Lamb waves, Interdigital transducer, Mode selective actuator, CFRP plates | ||||||||||||||
| Event Title: | Design of mode selective actuators for Lamb wave excitation in composite plates | ||||||||||||||
| Event Location: | San Diego, USA | ||||||||||||||
| Event Type: | international Conference | ||||||||||||||
| Event Dates: | 06.-10. März 2011 | ||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||
| HGF - Program Themes: | L AR - Aircraft Research | ||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||||
| DLR - Research theme (Project): | L - Structures & Materials | ||||||||||||||
| Location: | Braunschweig | ||||||||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Multifunctional Materials | ||||||||||||||
| Deposited By: | Isolde Böhringer-Thelen | ||||||||||||||
| Deposited On: | 21 Mar 2012 12:19 | ||||||||||||||
| Last Modified: | 21 Mar 2012 12:19 |
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