orientation of major principal stress

基本解釋

The initial orientation angle of the major principal stress has a significant influence on the dynamic strength: as the angle increases, the dynamic strength decreases.
初始大主應(yīng)力方向角對動強度影響顯著，隨角度的增大動強度逐漸降低。
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Coincidence between the orientation of normal contact force anisotropy and the direction of the major principal stress has been observed during all stages of shear loading.
整個加荷過程中，剪切帶內(nèi)大主應(yīng)力的偏轉(zhuǎn)方向與法向接觸力各向異性的主方向保持了良好的一致性。