Experimental and numerical modal analyses of a loco wheelset
2004 (English)In: Vehicle System Dynamics, ISSN 0042-3114, E-ISSN 1744-5159, Vol. 41, no Suppl., 597-606 p.Article in journal (Refereed) Published
Wheelset structural flexibility is believed to have a major influence on the vehicle-track dynamics. Several studies have related the structural flexibility of the wheelset to fluctuations of wheel-rail forces, rail and wheel corrugation, etc. This paper reports part of an ongoing project that studies the effects of wheelset structural flexibility on the vehicle-track dynamics. The paper focuses on experimental and numerical modal analyses of a loco wheelset in the frequency range of 0-500 Hz. Major issues related to modal analyses and modelling of wheelset are presented along with respective results. The results from numerical modal analysis were in good agreement with those obtained from the experiment. In addition, the wheelset had fairly low eigenfrequencies. Reduced versions of the generated wheelset model will be used in coming work in on-track numerical simulations in order to determine the effects of wheelset structural flexibility on the vehicle-track dynamics. Results from these simulations will be validated against existing experimental on-track results.
Place, publisher, year, edition, pages
2004. Vol. 41, no Suppl., 597-606 p.
Corrugated materials; Eigenvalues and eigenfunctions; Frequencies; Locomotives; Mathematical models; Numerical methods; Railroad tracks; Suspensions (components)
Condensed Matter Physics
IdentifiersURN: urn:nbn:se:kth:diva-7031ISI: 000225095100061ScopusID: 2-s2.0-6344240598OAI: oai:DiVA.org:kth-7031DiVA: diva2:11909
18th Symposium of the International-Association-for-Vehicle-System-Dynamics Kanagawa Inst Technol, Atsugi, Japan, Aug. 24-30, 2003
QC 201007012007-04-272007-04-272016-05-09Bibliographically approved