以岩层控制中的关键层理论为指导，应用弹性板理论建立了关键层的刚度条件和强度条件。
Under the guidance of key layer theory in strata control, the conditions of stiffness and strength for key layer are established by using elastic slab theory.
应用虚位移原理和结合考虑材料交界面上的约束条件，文章建立了接触单元的刚度矩阵和等效荷载向量。
Employing the virtual displacement principle and considering constraint conditions of material interface, the stiffness matrix and equivalent load vector for this element are established.
本文应用李亚普诺夫直接法研究了切削过程中在机床结构刚度非线性条件下速度型颤振的动态稳定性问题。
Liapunov's Direct Method is used to solve the stability problem of the speed-type chattering occurring in machine tool during cutting.
本文介绍动刚度法在多盘转子系统中的应用，导出了有弹性支承边界条件的动刚度公式。
The dynamic rigidity method applied to the multi-disk rotating systems is presented in this paper. The formula of dynamic rigidity to the boundary conditions with flexible support is derived.
本文介绍动刚度法在多盘转子系统中的应用，导出了有弹性支承边界条件的动刚度公式。
The dynamic rigidity method applied to the multi-disk rotating systems is presented in this paper. The formula of dynamic rigidity to the boundary conditions with flexible support is derived.
应用推荐