Title: | Modeling wave dispersion and band gaps in heterogeneous elastic media |
Authors: | Rohan, Eduard Seifrt, František |
Citation: | Applied and Computational Mechanics. 2007, vol. 1, no. 1, p. 243-254. |
Issue Date: | 2007 |
Publisher: | University of West Bohemia |
Document type: | článek article |
URI: | http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol1no1_p028.pdf http://hdl.handle.net/11025/1804 |
ISSN: | 1802-680X (Print) 2336-1182 (Online) |
Keywords: | fononické materiály;periodická mikrostruktura;homogenizace;modelování vln;heterogenní elastická média |
Keywords in different language: | phononic materials;periodic microstructure;homogenization;modelling of waves;heterogenous elastic media |
Abstract: | In this paper we report recent developments and results concerning validation of the homogenization approach applied in modeling waves in strongly heterogeneous elastic media. The homogenization limit model is obtained for stationary waves, but can also be used to estimate dispersion properties for long guided waves propagation. Band gaps distribution depends on the material contrast and on the geometrical arrangements in the microstructure. Similarity between discrete structures and heterogeneous continua is used to demonstrate the dispersion phenomena. The modeling approach has been extended to the piezo-phononic materials, which may be useful in designing smart materials. Also problems of optimal shape design at the microscopic level were pursued. |
Rights: | © 2007 University of West Bohemia. All rights reserved. |
Appears in Collections: | Volume 1, number 1 (2007) Články / Articles (KME) Volume 1, number 1 (2007) |
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File | Description | Size | Format | |
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acm_vol1no1_p028.pdf | 9,28 MB | Adobe PDF | View/Open |
Please use this identifier to cite or link to this item:
http://hdl.handle.net/11025/1804
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