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Mode Selective Actuator-Sensor-Systems

  • D. Schmidt
  • M. SinapiusEmail author
Chapter
Part of the Research Topics in Aerospace book series (RTA)

Abstract

This chapter presents mode selective actuator-sensor-systems which are able to generate and receive a particular Lamb wave mode in plate-like structures. The chapter begins with an overview of different mode selective techniques and transducers. Then analytical models based on higher order plate theory are presented. The models are developed in order to analyse the mode selectivity and the radiated acoustic field of interdigital transducers in CFRP plates. The last part of the chapter shows different manufacturing technologies of interdigital transducers as well as the validation of the analytical models by experimental measurements. It is shown, that the experimental measurements correlate with the analytical results and mode selectivity of A0 or S0 mode can be achieved in composite plates by the interdigital transducers.

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.German Aerospace Center (DLR)Institute of Composite Structures and Adaptive SystemsBraunschweigGermany
  2. 2.Institute of Adaptronics and Function IntegrationBraunschweig University of TechnologyBraunschweigGermany

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