Based on the Hertz theory, it can be work out that the contact force is spread over an elliptical area whose center is the theoretical point of contact and the distribution of pressure is a semi-ellipsoid on the contacting surface.

 
  • 利用赫兹理论分析得到接触域为椭圆形,椭圆中心位于啮合点,载荷在接触域上呈半椭球规律分布。
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