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子结构法是大型结构体系分析的有效方法之一。本文推荐一种依次放松约束结点的子结构法,对利用此法和 FORTRAN 语言编写的分析平面框架的计算机程序 APRFUS 作了简要介绍,对结构划分的注意事项作了说明。本文建议的方法,特别适合于用小型计算机分析平面框架和塔架一类结构。
The substructure method is one of the effective methods for the analysis of large-scale structural systems. This paper proposes a sub-structure method that relaxes the constrained nodes in turn. This paper briefly introduces the computer program APRFUS which uses this method and the FORTRAN language to analyze the planar framework, and explains the considerations of the structural division. The method proposed in this paper is particularly suitable for the analysis of planar structures and tower structures using small computers.