PyOMA and PyOMA_GUI: A Python module and software for Operational Modal Analysis

In structural health monitoring (SHM) paradigm, operational modal analysis (OMA) comprises several techniques and algorithms for estimating the dynamic characteristics of a structure in operational conditions from its vibration response. The OMA method has been spreading in the last years due to mul...

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Vydané v:SoftwareX Ročník 20; s. 101216
Hlavní autori: Pasca, Dag Pasquale, Aloisio, Angelo, Rosso, Marco Martino, Sotiropoulos, Stefanos
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier B.V 01.12.2022
Elsevier
Predmet:
Ambient vibration test
Graphical User Interface
Modal testing
Operational modal analysis
Output-only
Python
Structural dynamics
Structural dynamics
Operational modal analysis
Ambient vibration test
Modal testing
Output-only
Graphical User Interface
Python
ISSN:2352-7110, 2352-7110
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Popis
Shrnutí:In structural health monitoring (SHM) paradigm, operational modal analysis (OMA) comprises several techniques and algorithms for estimating the dynamic characteristics of a structure in operational conditions from its vibration response. The OMA method has been spreading in the last years due to multiple advantages compared to input–output identification methods. In the current work the authors present the implementation of a Python module named PyOMA and its Graphical User Interface (GUI) PyOMA_GUI. This software provides a user-friendly framework for the first time in the Python environment for estimating the experimental modal parameters (natural frequencies, mode shapes, damping ratios) of a structure from output-only vibration measurements in operational conditions.
ISSN:2352-7110
2352-7110
DOI:10.1016/j.softx.2022.101216