The analyses of dynamic response and reliability of fuzzy-random truss under stationary stochastic excitation
- verfasst von
- Juan Ma, Wei Gao, Peter Wriggers, Tao Wu, Shahab Sahraee
- Abstract
A new two-factor method based on theprobability and the fuzzy sets theory is used for the analyses of the dynamic response and reliability of fuzzy-random truss systems under the stationary stochastic excitation. Considering the fuzzy-randomness of the structural physical parameters and geometric dimensions simultaneously, the fuzzy-random correlation function matrix of structural displacement response in time domain and the fuzzy-random mean square values of structural dynamic response in frequency domain are developed by using the two-factor method, and the fuzzy numerical characteristics of dynamic responses are then derived. Based on numerical characteristics of structural fuzzy-random dynamic responses, the structural fuzzy-random dynamic reliability and its fuzzy numerical characteristic are obtained from the Poisson equation. The effects of the uncertainty of the structural parameters on structural dynamic response and reliability are illustrated via two engineering examples and some important conclusions are obtained.
- Organisationseinheit(en)
-
Institut für Kontinuumsmechanik
- Externe Organisation(en)
-
Xidian University
University of New South Wales (UNSW)
- Typ
- Artikel
- Journal
- Computational mechanics
- Band
- 45
- Seiten
- 443-455
- Anzahl der Seiten
- 13
- ISSN
- 0178-7675
- Publikationsdatum
- 12.01.2010
- Publikationsstatus
- Veröffentlicht
- Peer-reviewed
- Ja
- ASJC Scopus Sachgebiete
- Numerische Mechanik, Meerestechnik, Maschinenbau, Theoretische Informatik und Mathematik, Computational Mathematics, Angewandte Mathematik
- Elektronische Version(en)
-
https://doi.org/10.1007/s00466-009-0463-7 (Zugang:
Unbekannt)
