An efficient FEM for pressure analysis of oil film in a piston pump

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An efficient FEM for pressure analysis of oil film in a piston pump

The paper concerns numerical analysis of pressure distribution of an oil film on the valve plate in the variable height gap of an axial piston pump. The analysis employs the finite element method. For determination of oil pressure variations in the gap, the Reynolds equation, commonly applied in the theory of lubrication, is applied. The equation is solved numerically with the use of self-developed program based on the finite element method. In order to obtain high accuracy of the results, an adaptive mesh refinement based on residual estimations of solution errors is applied. The calculation results are represented as dependent on the geometric and working parameters of the pump.

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作 者: Tadeusz Zloto Arkadiusz Nagorka  
作者单位:Faculty of Mechanical Engineering and Computer Science, Czestochowa University of Technology,Al. Armii Krajowej 21, 42-200 Czestochowa, Poland 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS 
年,卷(期):2009 30(1) 
分类号:O3 
关键词:pump   variable height gap   pressure distribution modeling   adaptive finite element method  
机标关键词:the finite element methodpressure distributionnumerical analysisReynolds equationdetermination ofhigh accuracyadaptive meshoil pressurevalve plateoil film 
基金项目: 
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