Mechanical research on aerostatic guideways in consideration of fluid-structure interaction

摘要

Purpose The purpose of this paper is to study the mechanical properties of aerostatic guideway taking the structural deformation into account, and further improve the calculation method of guideway. Design/methodology/approach A theoretical model of fluid-structure interaction for the numerical simulation was established and mechanical properties of the aerostatic guideway with porous restrictors were solved based on computational fluid dynamics. The deformation law of the guideway with different materials and gas-film thicknesses was revealed, and its static and dynamic characteristic curves were obtained. Findings The results indicate that ceramics as the material of guideways exhibit good applicability due to the small deformation, the quick dynamic response and the relatively light weight. The rational initial gas-film of guideway is recommended. Originality/value The present work can provide ideas for the design and optimization of aerostatic guideways. Peer review The peer review history for this article is available at: http://dx.doi.org/10.1108/ILT-07-2019-0288..