Modeling of lamb wave propagation with elastodynamic finite integration technique
- This paper presents the numerical modeling of the Lamb wave propagation in thin plates with the elastodynamic finite integration technique (EFIT) and its validation with the measured results. In general, Lamb waves offer an attractive method to detect the defects inside long plate like structures efficiently. However, such a nondestructive testing (NDT) requires profound understanding of the Lamb wave propagation in the plates, generation of the symmetric and anti-symmetric modes of different orders and their interaction with the defects of the materials. Modern simulation tools based on numerical methods such as the finite integration technique (FIT), the finite element method (FEM) and the boundary element method (BEM) can be used to model this NDT situation. The elastodynamic finite integration technique (EFIT) is an effective tool to model Lamb wave propagation in plates over long distances in an efficient way. With the help of the simulation results obtained from the EFIT tool theThis paper presents the numerical modeling of the Lamb wave propagation in thin plates with the elastodynamic finite integration technique (EFIT) and its validation with the measured results. In general, Lamb waves offer an attractive method to detect the defects inside long plate like structures efficiently. However, such a nondestructive testing (NDT) requires profound understanding of the Lamb wave propagation in the plates, generation of the symmetric and anti-symmetric modes of different orders and their interaction with the defects of the materials. Modern simulation tools based on numerical methods such as the finite integration technique (FIT), the finite element method (FEM) and the boundary element method (BEM) can be used to model this NDT situation. The elastodynamic finite integration technique (EFIT) is an effective tool to model Lamb wave propagation in plates over long distances in an efficient way. With the help of the simulation results obtained from the EFIT tool the propagation of different symmetric and anti-symmetric modes is analyzed and thus a proper technique is developed to excite different modes and to separate them from each other precisely. A validation of the numerical results with the analytical results is also presented.…
Autor*innen: | Mehbub-Ur Rahman, Jens PragerORCiD |
---|---|
Persönliche Herausgeber*innen: | B. B. J. Linde, J. Paczkowski, N. Ponikwicki |
Dokumenttyp: | Beitrag zu einem Tagungsband |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | International congress on ultrasonics |
Jahr der Erstveröffentlichung: | 2012 |
Herausgeber (Institution): | University of Gdansk, Poland |
Verlag: | American Institute of Physics |
Verlagsort: | Melville, NY |
Ausgabe/Heft: | 1433 |
Erste Seite: | 455 |
Letzte Seite: | 458 |
Freie Schlagwörter: | EFIT; Lamb wave; NDT; Symmetric and anti-symmetric modes |
Veranstaltung: | International congress on ultrasonics |
Veranstaltungsort: | Gdansk, Poland |
Beginndatum der Veranstaltung: | 2011-09-05 |
Enddatum der Veranstaltung: | 2011-09-08 |
DOI: | 10.1063/1.3703226 |
ISSN: | 0094-243X |
ISBN: | 978-0-7354-1019-0 |
Bemerkung: | Serientitel: AIP conference proceedings – Series title: AIP conference proceedings |
Verfügbarkeit des Dokuments: | Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access") |
Bibliotheksstandort: | Sonderstandort: Publica-Schrank |
Datum der Freischaltung: | 19.02.2016 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 02.08.2012 |