文中以球体静态接触为对象，建立模型并推导出赫兹接触应力、变形公式。
Sphere contact as object, contact stress and distortion formula of Hertz are deduced theoretically from the modeling.
通过对其结构设计、工作原理的论述，建立受载变形公式，分析其参数间的关系。
Through discussion of the structure design and operating principle, the equation of deformation under load is established and the relationship between parameters is analyzed.
采用热力学方法推导出稳态非均匀温度场中孔型零件在受力情况下的热变形公式。
The equations of thermal deformation of hollow piece under stress in uneven steady-state and even steady-state temperature field have been obtained.
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