Design of a 2-DOF 8R Linkage for Transformable Hypar Structure

Double curved geometries including hyperbolicparaboloids (hypars) have become a trend in contemporary architecture. However, most of the constructed architectural examples of the hypars are static and cannot offer any form variability. In this paper, a 2-DOF 8 R linkage mechanism is introduced to bu...

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Bibliographic Details
Published in:Mechanics based design of structures and machines 2012-01, Vol.40 (1), p.19-32
Main Authors: Korkmaz, Koray, Akgün, Yenal, Maden, Feray
Format: Article
Language:English
Subjects:
Applied sciences
Architecture
Bennett linkage
Buildings. Public works
Deployable
Drives
Exact sciences and technology
Hypar
Kinetic architecture
Linkage mechanisms, cams
Mechanical engineering. Machine design
Transformation
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Summary:Double curved geometries including hyperbolicparaboloids (hypars) have become a trend in contemporary architecture. However, most of the constructed architectural examples of the hypars are static and cannot offer any form variability. In this paper, a 2-DOF 8 R linkage mechanism is introduced to buildtransformable hypar structures. It is inspired from the basic design principles of Bennett linkage. By its distinctive connection details and additional links, this novel mechanism can change its form fromplanar geometries to various hypars. The paper begins with the brief summary of the applications of hypar structures in architecture. Secondly, main principles and deficiencies of the Bennett linkage are presented. According to these deficiencies, structural synthesis of the novel mechanism is considered. Finally, advantages and potential uses of the proposed novel mechanism are explained.
ISSN:1539-7734
1539-7742
DOI:10.1080/15397734.2011.590775