Unimodal formulation of the analysis and design problems for framed structures

Research output: Contribution to journalArticlepeer-review

Abstract

Traditionally the analysis of framed and trussed structures is carried out along similar, albeit different, paths. This is true chiefly in the force approach. The difference is to be attributed to the truss element having essentially one deformation mode, whereas bending elements are bimodal. It is shown that by means of an eigenvalue analysis, a uniform Timoshenko bending element can be decomposed into its constituent unimodal components. Consequently, frame and truss analysis are united into an identical set of equations, and solution techniques. Such an approach is shown to be beneficial, even for the automated design of framed structures.

Original languageEnglish
Pages (from-to)739-747
Number of pages9
JournalComputers and Structures
Volume63
Issue number4
DOIs
StatePublished - May 1997

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