主应力及其方向余弦和极值切应力方向余弦计算的补遗
SUPPLEMENT TO THE CALCULATION OF PRINCIPAL STRESSES, THEIR DIRECTION COSINES AND DIRECTION COSINES OF EXTREME SHEAR STRESSES
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摘要: 对原已发表的有关主应力及其方向余弦和极值切应力方向余弦计算的文章中的不完善之处进行了补遗。Abstract: The imperfections in the original published articles on the calculation of principal stresses and their direction cosines and direction cosines of extreme shear stresses are supplemented.
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