结构体系的区间有限元分析

Proceedings 9th IEEE International Workshop on Robot and Human Interactive Communication. IEEE RO-MAN 2000 (Cat. No.00TH8499) Pub Date : 2000-09-27 DOI:10.1109/ROMAN.2000.892483

M. Matsumoto, Etsuo Iwaya

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引用次数: 1

摘要

在有限元公式中研究由区间给出的结构不确定性，以确定位移响应量的明确界限。为了尽可能求得尖锐解，本文提出了区间有限元法和位移不确定性和结构不确定性均为变量的优化方法。将这些方法应用于具有节点坐标不确定性的简单桁架结构模型的分析。

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Interval finite element analysis to structural systems

Structural uncertainties given by intervals are studied within a finite element formulation to determine sharp bounds for the quantities of displacement response. In order to obtain the sharp solution as much as possible, two approaches are proposed here: the interval finite element approach and the optimization approach in which both of displacement and structural uncertainties are variables. Those are applied to the analysis of simple truss structure models with uncertainties of nodal coordinates.

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Proceedings 9th IEEE International Workshop on Robot and Human Interactive Communication. IEEE RO-MAN 2000 (Cat. No.00TH8499)

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