NDLI: Numerical simulation of local instabilities of membranes reinforced with cables

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Numerical simulation of local instabilities of membranes reinforced with cables

Content Provider	Semantic Scholar
Author	Bereza, William Stanuszek, Michał
Copyright Year	2009
Abstract	Numerical algorithm to model large deformations of cable reinforced membrane systems is considered in this paper. A local instability may develop in a membrane lacking compressive, bending and twisting rigidity due to the creation and propagation of unior bidirectional wrinkles. In addition, slip of reinforcing cables in such systems may trigger certain additional undesired local effects. These instabilities are preliminarily analyzed and modeled in this work. In the case of wrinkling a concept of cable analogy (Stanuszek 2003) is applied. Combination of this technique with the penalty function method (Aliabadi & Brebbia 1993) is used to model contact effects. In particular a deformation of flat rectangular membrane reinforced with edge cable tucked into specially prepared edge sleeve is simulated in the paper. The numerical model was based on Finite Element discretization. Certain qualitative comparisons with experimental results confirmed the efficiency of proposed technique. ing and if that happens, wrinkling zones and cable slack appear. This phenomenon occurs in local areas and has a great influence on the final deformed shape of the system (Stanuszek 2002). Traditionally in case of fabric roof design the main emphasis has been laid on the fabric or the membrane component, with a little attention being given to the cable components present in the majority of tensile structures. Edge cables are commonly used to gather the tensile forces from a membrane and redirect these distributed surface forces to conveniently located and isolated anchorage points at its top or its foundation levels. In such case the collaboration of a membrane and cables should be consid0,08 m
Starting Page	225
Ending Page	228
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1201/9780203859766.ch49
Alternate Webpage(s)	http://kb-projekty.com.pl/publ/jurata%202009.pdf
Alternate Webpage(s)	https://doi.org/10.1201/9780203859766.ch49
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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