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- Sichani, Martin Sh.KTH,Farkost och flyg (author)
A fast non-elliptic contact model for application to rail vehicle dynamics simulation
- Article/chapterEnglish2014
Publisher, publication year, extent ...
- Civil-Comp Press,2014
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-187592
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187592URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20160614
- An approximate rolling contact model is introduced for fast evaluation of the contact patch and stress distribution in the wheel-rail interface, capable of being used on-line with dynamics simulations. The normal part of the model is based on a novel approach in which the surface deformations are approximated, resulting in accurate patch and pressure estimation. The tangential part is based on an adaptation of the FASTSIM algorithm to non-elliptic patches. The new model is compared to the approximate model of Kik and Piotrowski and the results are evaluated using the rigorous solution of Kalker's CONTACT code. The comparison clearly shows the new model to be more accurate than Kik-Piotrowski's in terms of contact patch and stress distribution as well as creep force estimation.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering hsv//eng
- ANALYN
- Non-elliptic rolling contact
- Rail vehicle dynamics
- Virtual penetration
- Wear
- Wheel-rail contact
- Dynamics
- End effectors
- Friction
- Rail motor cars
- Stress concentration
- Wear of materials
- Wheels
- Rolling contacts
- Wheel-rail contacts
- Vehicle wheels
Added entries (persons, corporate bodies, meetings, titles ...)
- Enblom, RogerKTH,Farkost och flyg(Swepub:kth)u1y0mbpk (author)
- Berg, MatsKTH,Farkost och flyg(Swepub:kth)u1n563x9 (author)
- KTHFarkost och flyg (creator_code:org_t)
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- Royal Institute of Technology
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