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A PROCEDURE FOR DETERMINING LOAD PATHS IN ELASTIC CONTINUA

机译：确定弹性连续体中载荷路径的程序

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The determination of load paths is an essential element of structural design. Load paths provide insight into the way the structure is performing its prescribed function. They can also indicate possibilities for shape optimization and the effect of component modification or damage. They are relatively easy to define in simple structures such as trusses which comprise a finite number of clearly defined members which carry only axial load. The load path is given simply by tracing the higher axial loads through the structure. However, for continua such as plates or solids, there is currently no systematic procedure for determining the path of load from the point of application to the constrained boundaries. This paper addresses the problem of defining the path of loads in plates with geometric discontinuities and in simple joints. The theory associated with the determination of the load path is first introduced, and then integrated into a finite element package to provide pictorial contours.
机译：确定载荷路径是结构设计的基本要素。加载路径可洞察结构执行其指定功能的方式。它们还可以指示形状优化的可能性以及部件修改或损坏的影响。它们相对容易以简单的结构定义，例如桁架，其包含有限数量的明确定义的构件，这些构件仅承受轴向载荷。只需通过在结构中跟踪较高的轴向载荷即可给出载荷路径。然而，对于诸如板或固体之类的连续体，目前尚没有用于确定从施加点到受约束边界的载荷路径的系统程序。本文解决了在几何不连续的板块和简单节点中定义载荷路径的问题。首先介绍与确定载荷路径有关的理论，然后将其集成到有限元程序包中以提供图形轮廓。

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