On the stabilized asymptotic response of a system of solids in contact with wear

Nicolas Antoni

doi:10.1016/j.crme.2010.07.017

On the stabilized asymptotic response of a system of solids in contact with wear
[Sur la réponse asymptotique stabilisée d'un système de solides en contact avec usure]

Nicolas Antoni ¹

¹ TEUCHOS, SAFRAN Group, Mechanics of Structures Department, 10 rue du Fort de Saint Cyr, 78180 Montigny-Le-Bretonneux, France

Comptes Rendus. Mécanique, Volume 338 (2010) no. 9, pp. 545-552.

Résumé
Abstract

On s'intéresse dans cette Note à la modélisation de la réponse en usure d'un système de solides en contact sous cycles de chargement afin de reproduire certains mécanismes de contact avec usure communément observés numériquement et expérimentalement dans les paliers à arbre tournant. L'analyse porte sur la détermination du comportement du système, sur la stabilisation de la réponse de celui-ci et plus particulièrement sur l'état asymptotique en usure sous chargement cyclique. La modélisation proposée permet aussi, d'une part, de donner des expressions analytiques utiles de grandeurs caractéristiques de la réponse asymptotique, telles que l'usure cumulée par cycle et offre, d'autre part, la possibilité d'effectuer des analyses paramétriques rapides, par exemple au coefficient d'usure, comme étudié en dernière partie.

This Note deals with the modelling of the response in wear of a system of two solids maintained in contact and subject to mechanical cyclic loading. The aim is to reproduce wear contact mechanisms commonly observed under cyclic loading, numerically and experimentally, for bearing journals. The present analysis is devoted to the determination of the system behaviour, the stabilization of its response and more particularly to the asymptotic state in wear under cyclic loading. On the one hand, the proposed modelling also enables to give useful analytical expressions inherent to the asymptotic response, such as the cumulated wear per cycle. On the other hand, it offers the possibility to perform direct sensitivity analyses, for instance to the wear coefficient effect, as studied in the last part of this paper.

Reçu le : 2009-10-29
Accepté le : 2010-07-26
Publié le : 2010-08-21

DOI : 10.1016/j.crme.2010.07.017

Keywords: Solids and structures, Wear, Contact, Stabilization, Asymptotic response, Modelling
Mot clés : Solides et structures, Usure, Contact, Stabilisation, Réponse asymptotique, Modélisation

Affiliations des auteurs :

Nicolas Antoni ¹

¹ TEUCHOS, SAFRAN Group, Mechanics of Structures Department, 10 rue du Fort de Saint Cyr, 78180 Montigny-Le-Bretonneux, France

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     title = {On the stabilized asymptotic response of a system of solids in contact with wear},
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     pages = {545--552},
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Nicolas Antoni. On the stabilized asymptotic response of a system of solids in contact with wear. Comptes Rendus. Mécanique, Volume 338 (2010) no. 9, pp. 545-552. doi : 10.1016/j.crme.2010.07.017. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2010.07.017/

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