The exact complex stress functions are obtained for a infinite plate with a centrical crack or semi-infinite crack under concentrated forces at a certain point.
对具有中心裂纹或半无限长裂纹的无限大板在集中力作用下得到了精确的复变应力函数。
2
Via variant of displacement harmonic oscillation, the exact electronic states in the semi-parabolic QW with an applied electric field are obtained.
通过位移谐振子变换，得到了系统中的电子态的精确解。
3
This review first summarizes the general theory of spin diffusion in solids, including semi-classical description and the more exact approach, i.