引用本文: | 王凯. 极值切应力及其作用面外法线方向余弦的计算公式[J]. 力学与实践, 2015, 37(5): 636-639. DOI: 10.6052/1000-0879-14-224 |
Citation: | Wang Kai. THE CALCULATION FORMULAE FOR DIRECTION COSINES OF EXTREME SHEAR STRESSES AND OUTWARD NORMALS TO ITS ACTION SURFACES[J]. MECHANICS IN ENGINEERING, 2015, 37(5): 636-639. DOI: 10.6052/1000-0879-14-224 |