A fluid film model for finite element analysis of structures with linear hydrostatic bearings

S. Y. Jeon, Kwon Hee Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Linear hydrostatic bearings are well known for their high motion guide accuracy, low friction and wear, high stiffness and high load-carrying capacity. It is very useful to predict the behaviour of a structure with linear hydrostatic bearings in the design stage. In this work, a finite element model is suggested to represent fluid films between bearing blocks and rails. The model can be used to capture the deformation of the bearing structure as well as the varying properties of the fluid film. With this model incorporated into the commercial finite element code ABAQUS, static and quasi-static analyses of the structures containing hydrostatic bearings can be performed efficiently. Comparisons with known experimental data are presented.

Original languageEnglish
Pages (from-to)309-316
Number of pages8
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume218
Issue number3
DOIs
Publication statusPublished - 2004 Mar 1

Fingerprint

Hydrostatic bearings
Bearings (structural)
Finite element method
Fluids
ABAQUS
Load limits
Rails
Stiffness
Wear of materials
Friction

Keywords

  • Finite element analysis
  • Fluid film model
  • Linear hydrostatic bearings

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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AB - Linear hydrostatic bearings are well known for their high motion guide accuracy, low friction and wear, high stiffness and high load-carrying capacity. It is very useful to predict the behaviour of a structure with linear hydrostatic bearings in the design stage. In this work, a finite element model is suggested to represent fluid films between bearing blocks and rails. The model can be used to capture the deformation of the bearing structure as well as the varying properties of the fluid film. With this model incorporated into the commercial finite element code ABAQUS, static and quasi-static analyses of the structures containing hydrostatic bearings can be performed efficiently. Comparisons with known experimental data are presented.

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