Abstract
In this paper, we show that compared with the conventional transformation elastodynamics, the method based on physical interpretation of form-invariance can provide more flexibility in material design. As a result of this flexibility, the impedance-matched condition for both S and P waves in perpendicularly incident cases exists, thus the isotropic homogeneous elastic wave concentrator can be designed. Samples are conceived and validated by numerical simulations.
Original language | English |
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Title of host publication | Research on Mechanics, Dynamic Systems and Material Engineering |
Pages | 210-213 |
Number of pages | 4 |
DOIs | |
Publication status | Published - 2013 |
Event | 2012 International Conference on Mechanics, Dynamic Systems and Material Engineering, MDSME 2012 - Guangzhou, China Duration: 24 Nov 2012 → 25 Nov 2012 |
Publication series
Name | Advanced Materials Research |
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Volume | 625 |
ISSN (Print) | 1022-6680 |
Conference
Conference | 2012 International Conference on Mechanics, Dynamic Systems and Material Engineering, MDSME 2012 |
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Country/Territory | China |
City | Guangzhou |
Period | 24/11/12 → 25/11/12 |
Keywords
- Cloak
- Transformation acoustics
- Transformation elastodynamics
- Transformation optics
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Hu, J., & Lu, X. Y. (2013). Concentrating elastic waves by isotropic homogeneous andreflectionless materials. In Research on Mechanics, Dynamic Systems and Material Engineering (pp. 210-213). (Advanced Materials Research; Vol. 625). https://doi.org/10.4028/www.scientific.net/AMR.625.210