Sensor positioning in the context of wave‐based damage identification in dams
Abstract: Dams and their adjourning reservoirs play an important role in the drinking water supply as well as in the flood defense. Their world‐wide use and possible massive devastation due to dam failures make the monitoring of the structural health of these huge structures imperative. Therefore, it is necessary to identify faults/damages in the dams' structure non‐invasively in order to proceed with the current use. Additionally, monitoring of these huge structures is very complex, time‐consuming and costly. To circumvent the aforementioned challenges, an inverse analysis, here an enhanced, regularized, cyclic full‐waveform inversion is proposed based on wavelengths between seismic and ultrasonic waves. Parameters of the dam material, such as stiffness, density and permeability, are estimated in synthetic experiments. Having this, an optimal design of experiment approach is used to identify the most informative sensor positions regarding the reconstruction quality. An optimized sensor layout may further improve the efficiency of the solution of the inverse problem.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Sensor positioning in the context of wave‐based damage identification in dams ; volume:19 ; number:1 ; year:2019 ; extent:2
Proceedings in applied mathematics and mechanics ; 19, Heft 1 (2019) (gesamt 2)
- Urheber
- DOI
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10.1002/pamm.201900082
- URN
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urn:nbn:de:101:1-2022072207455156796058
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
- 15.08.2025, 07:21 MESZ
Datenpartner
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Beteiligte
- Reichert, Ina
- Alalade, Muyiwa
- Lahmer, Tom
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