本文推导了材料为理想弹塑性的空间梁单元弹塑性刚度矩阵的显式形式。
An explicit expression of stiffness matrix for a 3-dimensional beam made of elastic-plastic material is derived in the paper.
本文采用三维弹塑性增量变塑性刚度有限元法计算地下洞室围岩稳定。
In this paper, the elastoplastic incremental finite element method with variable plastic stiffness is used to analyse the surrounding rock stability of underground openings.
本文以变刚度的增量原理为基础，论述了复合材料组合网架的弹塑性设计方法。
This paper, basing on the principle of the changing rigidity, discusses the clastic-plastic designing method of the complex material grids.
应用推荐