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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 19
Edited by: B.H.V. Topping
Paper I.4

The Analysis and Design of Framed Structures using Unimodal Components

M.B. Fuchs

Department of Solid Mechanics, Materials and Structures, The Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Israel

Full Bibliographic Reference for this paper
M.B. Fuchs, "The Analysis and Design of Framed Structures using Unimodal Components", in B.H.V. Topping, (Editor), "Developments in Computational Engineering Mechanics", Civil-Comp Press, Edinburgh, UK, pp 31-37, 1993. doi:10.4203/ccp.19.1.4
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.

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