该法将虚位移原理推广应用于有限单元的节点，从而得到用以描述局部电磁力分布的等效节点力。
The distribution of local magnetic force is described with an equivalent node force, which is derived from an extended application of virtual work principle to FEM node.
本文根据静力学完全等效原理提出一种精确数值解法，并对余弦分布的轴承负荷转为节点力的解法作了具体的数学推导，得出了精确数值计算公式。
Based on the equivalent theory of statics this paper presents an accurate numerical method and accurate numerical formulas for calculating the bearing load distributed by cosine curve law are derived.
本文采用静力等效原则，以获得等效开挖释放节点力。
The static equivalent principle was used in order to obtain the equivalent nodal forces by excavating release.
应用推荐