Negative Pressure Waves Analysis for Crack Localization and Crack Size Estimation for 3D Printed SHM System
| Autor: | Maria Strantza, Wim Devesse, Michaël Hinderdael, Patrick Guillaume, Dieter De Baere |
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| Přispěvatelé: | Applied Mechanics, Faculty of Engineering, Mechanics of Materials and Constructions |
| Rok vydání: | 2015 |
| Předmět: |
Leak
Capillary pressure 3d printed Materials science business.industry Acoustics Continuous monitoring Fatigue damage characterization 3D printed materials Structural engineering Pressure level Crack localization Structural Health Monitoring Crack size Structural health monitoring business Negative Pressure Waves Leakage (electronics) |
| Zdroj: | Vrije Universiteit Brussel |
| DOI: | 10.1115/smasis2015-8845 |
| Popis: | A new Structural Health Monitoring system was developed to allow a faster introduction of 3D printed components into safety critical applications. Additive manufacturing techniques are used to embed capillaries in a 3D printed structure that are then pressurized. Continuous monitoring of the capillary pressure allows the system to indicate the existence of a crack when the pressure deviates from the initial pressure level. A specifically developed experimental set-up enables the study of the impact of different parameters on the leak flow behavior and the occurring Negative Pressure Waves. Negative Pressure Waves are analyzed to demonstrate the crack localization and crack size estimation feasibility. It will first be theoretically proven that the size and location of the crack can be derived from the Negative Pressure Waves. Secondly, measurements will validate the crack localization and size estimation feasibility of the new Structural Health Monitoring system.Copyright © 2015 by ASME |
| Databáze: | OpenAIRE |
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