有限元中索单元的研究及应用进展

系统性地综述了近三十年来索单元的发展,以及目前在工程实践及通用有限元软件中的应用,提出了在构建索单元时所需要解决的几个主要问题,并对基于一类新型梁理论来构造索单元的可行性进行了初步分析,指出了采用无旋梁单元作为新型索单元这一新的开发方向。

Research on cable element in finite element and its application progress

The paper sums up the development of cable element in nearly thirty years,and its application in engineering practice and the common finite element software,points out some main problems which are needed to be solved in composing cable element,has the primary analysis of the feasibility of composing the cable element based on the new beam theory and points out the new development direction by adopting irrotational beam element as the new cable element.