Cardiff University | Prifysgol Caerdydd ORCA
Online Research @ Cardiff 
WelshClear Cookie - decide language by browser settings

Sensitivity analysis and optimization of vehicle-bridge systems based on combined PEM-PIM strategy

Xu, W. T., Zhang, Y. H., Lin, J. H., Kennedy, David and Williams, Frederic Ward 2011. Sensitivity analysis and optimization of vehicle-bridge systems based on combined PEM-PIM strategy. Computers and Structures 89 (3-4) , pp. 339-345. 10.1016/j.compstruc.2010.11.011

Full text not available from this repository.

Abstract

This paper presents a new optimization method for coupled vehicle–bridge systems subjected to uneven road surface excitation. The vehicle system is simplified as a multiple rigid-body model and the single-span bridge is modeled as a simply supported Bernoulli–Euler beam. The pseudo-excitation method transforms the random surface roughness into the superposition of a series of deterministic pseudo-harmonic excitations, which enables convenient and accurate computation of first and second order sensitivity information. The precise integration method is used to compute the vertical random vibrations for both the vehicle and the bridge. The sensitivities are used to find the optimal solution, with vehicle ride comfort taken as the objective function. Optimization efficiency and computational accuracy are demonstrated numerically.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TG Bridge engineering
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Uncontrolled Keywords: Coupled vehicle–bridge systems; Pseudo-excitation method; Precise integration method; Sensitivity analysis
Publisher: Elsevier
ISSN: 0045-7949
Last Modified: 04 Jun 2017 02:56
URI: http://orca.cf.ac.uk/id/eprint/14036

Citation Data

Cited 7 times in Google Scholar. View in Google Scholar

Cited 12 times in Scopus. View in Scopus. Powered By Scopus® Data

Actions (repository staff only)

Edit Item Edit Item