Validation of analytically modeled Leaky Lamb radiation using Schlieren photography

J. Rautenberg, S. Olfert, F. Bause, B. Henning, in: 2012.

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Abstract
If a guided Lamb wave leaks energy from a plate into a surrounding fluid, the radiated almost plane wave has a frequency dependent angle towards the boundary. This radia- tion angle can be calculated by numerical determination of the plates' phase velocities. We also measured the radiation angle in Schlieren photographs and found a mentionable discrepancy to the calculated angles in certain frequency regions. A first approach by modifying the boundary condition could not re- solve the observed discrepancies, but a reinterpretation of the Schlieren photographs as interference patterns of different Leaky Lamb waves leads to a good correspondence between measured and calculated values.
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Rautenberg J, Olfert S, Bause F, Henning B. Validation of analytically modeled Leaky Lamb radiation using Schlieren photography. In: ; 2012.
Rautenberg, J., Olfert, S., Bause, F., & Henning, B. (2012). Validation of analytically modeled Leaky Lamb radiation using Schlieren photography.
@inproceedings{Rautenberg_Olfert_Bause_Henning_2012, title={Validation of analytically modeled Leaky Lamb radiation using Schlieren photography}, author={Rautenberg, Jens and Olfert, Sergei and Bause, Fabian and Henning, Bernd}, year={2012} }
Rautenberg, Jens, Sergei Olfert, Fabian Bause, and Bernd Henning. “Validation of Analytically Modeled Leaky Lamb Radiation Using Schlieren Photography,” 2012.
J. Rautenberg, S. Olfert, F. Bause, and B. Henning, “Validation of analytically modeled Leaky Lamb radiation using Schlieren photography,” 2012.
Rautenberg, Jens, et al. Validation of Analytically Modeled Leaky Lamb Radiation Using Schlieren Photography. 2012.

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