Nowadays, the analysis on internal force of structure is based on the hypothesis of plane system, but it can not solve the problem of stereoscopy.
现阶段在工程结构内力分析中，主要是基于平面体系的假设，并不能完全解决结构的空间性问题。
This paper describes the design idea, used technique of the software on internal force analysis of plane trusses.
介绍了平面桁架结构内力分析系统的设计思想、所用技术及其主要功能。
This paper mainly discusses the structure design, internal force analysis and calculation on strength and rigidity of the conveyor triangle frame.
本文主要介绍该输送机三角形支架的结构设计、内力分析、强度和刚度的计算。
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