Bounding the frequency response of structures with variable levels of random uncertainty without the need for Monte Carlo simulation

Cheepsomsong, T and Dunne, J F (2013) Bounding the frequency response of structures with variable levels of random uncertainty without the need for Monte Carlo simulation. In: 20th International Conference on Sound and Vibration, 7th-11th July 2013, Bangkok, Thailand.

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Abstract

A method is presented for predicting the amplitude bounds associated with the dynamic response of engineering structures with varying levels of parameter uncertainty. In particular, a novel SEA Extreme-Value-based bounding method is discussed and tested across the frequency range on a
non-simple built-up structure with high and low-level random uncertainties. This method does not use expensive Monte-Carlo simulation and is therefore computationally very efficient. The paper shows that for a built-up structure, with both low and high-level uncertainty in a single parameter, the proposed SEA-EV-based prediction method compares extremely well at high frequency with
FE-based Monte-Carlo simulation.

Item Type: Conference or Workshop Item (Paper)
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA0349 Mechanics of engineering. Applied mechanics
T Technology > TA Engineering (General). Civil engineering (General) > TA0365 Acoustics in engineering. Acoustical engineering
Depositing User: Julian Dunne
Date Deposited: 08 Nov 2013 07:39
Last Modified: 08 Nov 2013 07:39
URI: http://sro.sussex.ac.uk/id/eprint/46967

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