The influence of pneumatic pressure, sealed pressure and axial diameter on normalcontact stress was discussed.
讨论了充气压力、密封压力与充气压力比、轴径对法向接触应力的影响。
2
Then, normalcontact stiffness and shear contact stiffness of sand particles are derived according to researches above.
在砂土颗粒接触模型的基础上推导出砂土颗粒法向接触刚度、切向接触刚度的表达式。
3
Conclusions:There is a normalcontact area between the inner surface of lateral femoral tendon and lateral femur condylar to reduce the contact pressure of the lateral surface of patella.