Vacuumatics: vacuumatically prestressed (adaptable) structures

F.A.A. Huijben, F. Herwijnen, van

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Abstract

Vacuumatics rely on a relatively "new" and therefore yet unproven structural principle of prestressing incoherent (structural) elements by means of atmospheric pressure, by creating a (partial) vacuum inside an enclosing skin (figure 1). This technique leads to rigid – but reconfigurable – load bearing structures (figure 2), quite analogue to vacuum packed coffee. In an attempt to explore the structural potential of vacuumatically prestressed structures the force distribution throughout a simplistic 2-dimensional representation of such a structure is approached by means of an analytical model. A comparable numerical approach of the technique illustrates a remarkable resemblance in prestress derivation, differentiating a so called "direct" and an "indirect" prestressing component, indicating the significance of the elasticity of the applied skin material. This paper sets out to describe the ongoing study on the structural – as well as geometrical – behaviour of vacuumatics, aiming for a fundamental understanding in and control over the underlying design principles.
Original languageEnglish
Title of host publicationProceedings of the 6th International Conference on Computation of Shell and Spatial Structures
EditorsF. John, J. Abel, R. Cooke
Place of PublicationIthaca, NY (US)
PublisherCornell university
Pages1-4
Publication statusPublished - 2008
Eventconference; 6th International Conference on Computation of Shell and Spatial Structures; 2008-05-28; 2008-05-31 -
Duration: 28 May 200831 May 2008

Conference

Conferenceconference; 6th International Conference on Computation of Shell and Spatial Structures; 2008-05-28; 2008-05-31
Period28/05/0831/05/08
Other6th International Conference on Computation of Shell and Spatial Structures

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