Structural Health Monitoring of Multi-Storey Frame Structures using Piezoelectric Incompatibility Filters: Theory and Numerical Verification
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JACM-7-0_013
تاریخ نمایه سازی: 20 مرداد 1400
Abstract:
In the present paper, we develop a novel method for structural health monitoring of multi-storey frame structures with the capability to detect and localise local damage. The method uses so-called spatial incompatibility filters, which are continuously distributed strain-type sensors only sensitive to incompatibilities. In the first part of the paper the concept of incompatibility filters is introduced for multi-storey frame structures and it is shown how these filters can be used to detect and localise local cracks in frame structures. In the second part of the paper we study the use of incompatibility filters put into practice by piezoelectric sensor networks for structural health monitoring of a three-storey frame structure. The design of the piezoelectric sensor network is based on an analytical analysis of the frame structure within the framework of the method developed in the first part of the paper and a numerical verification using three-dimensional Finite Elements completes the paper
Keywords:
Structural Health Monitoring , Frame Structures , Incompatibility Filters , Damage Detection and Localisation , Piezoelectric Sensor Networks , Numerical Verification
Authors
Michael Krommer
Institute of Technical Mechanics, Johannes Kepler University Linz, Altenberger Straße ۶۹, A-۴۰۴۰ Linz, Austria
Markus Zellhofer
HBLA Francisco Josephinum Wieselburg, Schloss Weinzierl ۱, A-۳۲۵۰ Wieselburg, Austria
Hans Irschik
Institute of Technical Mechanics, Johannes Kepler University Linz, Altenberger Straße ۶۹, A-۴۰۴۰ Linz, Austria
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