Počet záznamů: 1
Numerical investigation of dry-friction coupling on pin-on-disk system :3D FE numerical modelling
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SYSNO ASEP 0601254 Druh ASEP C - Konferenční příspěvek (mezinárodní konf.) Zařazení RIV Záznam nebyl označen do RIV Název Numerical investigation of dry-friction coupling on pin-on-disk system :3D FE numerical modelling Tvůrce(i) Chindada, Sony (UT-L) ORCID
Prasad, Chandra Shekhar (UT-L) ORCID
Pešek, Luděk (UT-L) RID, ORCIDCelkový počet autorů 3 Zdroj.dok. PROCEEDINGS OF COMPUTATIONAL MECHANICS 2024. - Plzeň : University of West Bohemia, 2024 / Adámek V. ; Jonášová A. ; Plánička S. - ISBN 978-80-261-1249-5 Poč.str. 3 s. Forma vydání Online - E Akce Computational mechanics 2024 /39./ Datum konání 04.11.2024 - 06.11.2024 Místo konání Srní Země CZ - Česká republika Typ akce EUR Jazyk dok. eng - angličtina Země vyd. CZ - Česká republika Klíč. slova dry friction coupling ; pin-on-disk ; numerical modelling Vědní obor RIV BI - Akustika a kmity Obor OECD Mechanical engineering Institucionální podpora UT-L - RVO:61388998 Anotace Squeal noise is a complex phenomenon in a braking system which is due to the instability of the dynamic behavior of the brake system due to the friction forces [2]. The complex behavior can be attributed to various mechanisms such as unsteady creepages, i.e. microslips between contact surfaces, of the wheel, lateral, longitudinal, differential tangential creepages caused by the angle of attack of the wheel to the rail [3]. When vibrations are excited by frictional forces a phenomenon of “mode lock-in” occurs in structures. In general, “mode lock-in” is defined as the process by which modes of sub-structures couple with each other [4]. The investigated system consists of two components (pin and disc) whose dynamics (natural frequencies and vibration modes) are well understood, when they are considered separately [4]. Non-linear friction coupling causes particular modes of the components to lock into one another. When mode lock-in takes place, a special base frequency with all of its harmonics can be observed in the resonant-like system response. In this paper lock-in mode phenomenon is investigated and mode lock-in can occur at a natural frequency of the disc and check all key harmonics with different frequency signals initiated on the pin-disc model. Pracoviště Ústav termomechaniky Kontakt Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Rok sběru 2025
Počet záznamů: 1