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International Conference on Mechanical and Electrical Technology 2009 (ICMET 2009)

Wenzheng Li
Wenzheng Li
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For a hard disk device (HDD) in operational state, there is an air bearing film between its head slider(s) and its disk(s) in the head-disk interface (HDI). Generalized Reynolds equation can be used to describe the pressure distribution of the air bearing film. Meshless local Petrov-Galerkin (MLPG) method was proven to be an efficacious method. No meshes are needed in MLPG method either for interpolation of the trial and test functions, or for the integration of the weak form of the related differential equation. It is a truely meshless method. The MLPG method is employed to investigate the pressure distribution of the air bearing film in one-dimensional case. Numerical results of the air bearing film in the HDI of HDDs by using MLPG method are in good agreement with its exact solutions.

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