Conference proceeding
Vibro-acoustic 3D FE simulations to validate a SAFE-BEM formulation for leaky waves computation
HEALTH MONITORING OF STRUCTURAL AND BIOLOGICAL SYSTEMS 2014, v 9064, pp 906413-906413-10
01 Jan 2014
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Vibroacoustic three-dimensional finite element simulations are performed to validate a novel formulation that model leaky guided waves properties for waveguides surrounded by fluids. The above formulation couples a mesh of semi-analytical finite elements (SAFE), to discretize the waveguide cross-section, with a mesh of boundary elements (BEM) to model the unbounded outer fluid domain. The resulting dispersion curves are validated through dedicated finite element simulations where the extracted time-transient waveforms are analyzed via a modified Matrix Pencil Method in time and space. Wave simulations are achieved using ABAQUS/Explicit for an elastic steel bar of square cross section immersed in water and the results obtained are compared with those given by the SAFE-BEM melthod.
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Details
- Title
- Vibro-acoustic 3D FE simulations to validate a SAFE-BEM formulation for leaky waves computation
- Creators
- M. Mazzotti - Drexel UniversityI. Bartoli - Drexel UniversityG. Castellazzi - University of BolognaA. Marzani - University of BolognaQ. Mao - Drexel University
- Contributors
- T Kundu (Editor)
- Publication Details
- HEALTH MONITORING OF STRUCTURAL AND BIOLOGICAL SYSTEMS 2014, v 9064, pp 906413-906413-10
- Series
- Proceedings of SPIE
- Publisher
- Spie-Int Soc Optical Engineering
- Number of pages
- 10
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000348027200032
- Scopus ID
- 2-s2.0-84901992307
- Other Identifier
- 991019168185004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Biomedical
- Engineering, Civil
- Optics