Browsing by Author "Habchi, W."

Correction to: Friction Reduction in Elastohydrodynamic Contacts by Thin-Layer Thermal Insulation

Habchi, W.; Björling, M.; Bair, S.; Marklund, P. (2019-01-31)

Coupling strategies for finite element modeling of thermal elastohydrodynamic lubrication problems

Habchi, W. (2018-01-03)

This paper investigates coupling strategies for finite element modeling (FEM) of thermal elastohydrodynamic lubrication (TEHL) problems. The TEHL problem involves a strong coupling between several physics: solid mechanics, ...

Effect of lubricant rheology on friction in coated elastohydrodynamic lubricated contacts

Habchi, W.; Bair, S. (2018-01-03)

This work investigates the effect of lubricant rheology on friction in coated elastohydrodynamic contacts. Two lubricants with relatively different properties are selected and two coating configurations are considered. The ...

An exact and general model order reduction technique for the finite element solution of elastohydrodynamic lubrication problems

Habchi, W.; Issa, J. S. (2018-01-03)

This work presents an exact and general model order reduction (MOR) technique for a fast finite element resolution of elastohydrodynamic lubrication (EHL) problems. The reduction technique is based on the static condensation ...

Exact and general reduced order finite element modeling of elastohydrodynamic lubrication problems

Habchi, W.; Issa, J. S. (2019-02-19)

Éléments finis stabilisés pour les problèmes de lubrification élastohydrodynamique

Habchi, W.; Eyheramendy, D.; Vergne, P. (CFM, 2017-08-23)

Ce travail présente un modèle pour les problèmes de lubrification Élastohydrodynamique (EHD). Une approche de type éléments finis avec couplage fort est employée. Les problèmes hydrodynamique et élastique sont résolus ...

Fast and reduced full-system finite element solution of elastohydrodynamic lubrication problems

Habchi, W.; Issa, J. (2015-09-21)

This paper presents a reduced full-system finite element solution of elastohydrodynamic lubrication (EHL) problems. It aims to demonstrate the feasibility of this approach by applying it to the simple isothermal Newtonian ...

Fast and reduced full-system finite element solution of line contact elastohydrodynamic lubrication problems

Habchi, W.; Issa, J. (Civil-Comp Press, 2017-06-29)

A finite element approach of the fully coupled elastohydrodynamic problem

Habchi, W.; Eyheramendy, D.; Bair, S.; Vergne, P.; Morales-Espejel, G. (ASME, 2017-08-22)

A finite element approach to model thin films in circular EHD contacts

Habchi, W.; Demirci, I.; Eyheramendy, D.; Morales-Espejel, G.; Vergne, P. (Elsevier, 2019-02-06)

Lubrication of machine elements such as gears and bearings appears to be essential for the good functioning of a mechanical system. In many applications, the pressure generated within tribological interfaces is high enough ...

Friction Reduction in Elastohydrodynamic Contacts by Thin Layer Thermal Insulation

Björling, M.; Habchi, W.; Bair, S.; Larsson, L.; Marklund, P. (2015-09-21)

Reducing friction is of utmost importance to improve efficiency and lifetime of many products used in our daily lives. Thin hard coatings like diamond-like carbon (DLC) have been shown to reduce friction in full-film-lubricated ...

Full Film, Boundary Lubrication and Tribochemistry in Steel Circular Contacts Lubricated with Glycerol

Habchi, W.; Matta, C.; Joly-Pottuz, L.; De Barros, M.I.; Martin, J.M.; Vergne, P. (2015-09-21)

In this article, the lubricating properties of pure glycerol are investigated under both mild and severe EHL regimes. Amazingly low friction coefficients (about 0.01) are reported by experiments in thick film regimes ...

A Fully-Coupled Finite Element Model for the Solution of Thermal Elastohydrodynamic Lubrication Problems

Habchi, W. (2019-02-19)

Influence of Realistic Lubricant Density-Pressure Dependence on the Stiffness of Elastohydrodynamic Lubricated Contacts

Issa, J. S.; Habchi, W. (2019-12-20)

The analysis of the dynamic response of elastohydrodynamic lubricated contacts has often invoked a universal law for lubricant density–pressure dependence, even though the densities of many lubricants exhibit a substantial ...

Influence of Thermal and Mechanical Properties of Coatings on Friction in Elastohydrodynamic Contacts

Habchi, W. (SAGE Publications, 2019-02-19)

Influence of thermo-mechanical properties of coatings on friction in elastohydrodynamic lubricated contacts

Habchi, W. (2019-02-01)

This paper presents a numerical investigation of the influence of thermo-mechanical properties of coatings on friction in elastohydrodynamic contacts. In a previous work by the author, it was shown that thermal properties ...

A local investigation of the thermophysical behaviour of TEHL contacts

Habchi, W.; Fillot, N.; Morales-Espejel, G.E. (2017-08-23)

Mechano-Chemo-Electrical Finite Element Modelling of the Sensing Behaviour of Ionic Polymer Metal Composites

Akle, Barbar J.; Habchi, W.; Wallmersperger, T. (Civil-Comp Press, 2019-02-08)

Ionic polymer metal composite (IPMC) is an electro-active polymer (EAP) that generates electrical charges when it is mechanically deformed. In this study, a fullycoupled mechano-chemo-electrical finite element model is ...

Model Order Reduction Techniques for the Solution of EHL Problems

Habchi, W.; Issa, J. (2019-02-20)

A need for relevant multi-physics modelling of EHD problems

Habchi, W.; Fillot, N.; Andersson, O.; Bair, S.; Eyheramendy, D.; Vergne, P.; Morales-Espejel, G.E. (2018-01-02)

Browsing by Author "Habchi, W."

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