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在气体静压轴颈 -止推轴承的离散化过程中 ,采用有限元方法 ,利用加权余量法将其二阶偏微分方程降低一阶 ,使利用三角单元线性插值函数成为可能 ,简化了压力分布方程式的计算 ,给出了轴承的静态特性 ,分析了结构工艺尺寸、狭缝宽度和轴承间隙等因素对径向和轴向承载性能的影响 ,揭示了轴颈和止推轴承之间的相互影响规律 ,并且研究了轴承内部气膜压力分布的规律 .最后 ,通过实测值对计算结果进行了验证
In the process of hydrostatic journal-thrust bearing discretization, the finite element method is adopted, and the second-order partial differential equation is reduced by first order using the weighted residual method, which makes it possible to use triangular element linear interpolation function to simplify the pressure distribution The equation is given and the static characteristics of the bearing are given. The influences of the dimensions of the structure, the width of the slit and the clearance of the bearing on the radial and axial load bearing properties are analyzed. The interaction between the journal and the thrust bearing is revealed Law, and studied the law of the pressure distribution inside the bearing.Finally, the calculated results were verified by the measured values