The formulas of internal force, displacement stress was deduced according to the general mechanics theory of the ringent cylindrical shell.
利用开口圆柱壳的一般力学原理和方法，推导出壳体的内力、位移和应力求解格式。
2
ETM data reveal that the Yuanmou fault is mainly characterized by horizontal left-lateral and shear strike-slip, including ringent shear and pressed shear in part.
ETM影像揭示了元谋断裂以左行剪切走滑为主，局部张剪或压剪的性质。
3
The article bases on the result of elastic-optic experiment and uses the energy method, roll theory and thick tube theory to calculate the contact pressure in ringent and close section.