منابع مشابه
Designing tensegrity structures
Tensegrity structures are nice-looking and statically strong architectural complexes composed of a set of disjoint struts tied together by cables and nothing more. These structures are known for their aesthetic and structural qualities, which are explored in architecture and art. Their perceived lightness is their distinct visual feature: the heavy elements (the struts) are well disjoint, yet t...
متن کاملSymmetric Prismatic Tensegrity Structures
This paper presents a simple and efficient method to determine the self-equilibrated configurations of prismatic tensegrity structures with dihedral symmetry. It is demonstrated that stability of prismatic tensegrity structures is not only determined by the connectivity manner of the members, but also sensitive to the height/radius ratio and the stiffnss/prestress ratio. A catalogue of symmetri...
متن کاملOptimization of tensegrity structures
This paper concerns the design of tensegrity structures with optimal mass-to-stiffness ratio. Starting from an initial layout that defines the largest set of allowed element connections, the procedure seeks the topology, geometry and prestress of the structure that yields optimal designs for different loading scenarios. The design constraints include strength constraints for all elements of the...
متن کاملZero Stiffness Tensegrity Structures
Tension members with a zero rest length allow the construction of tensegrity structures that are in equilibrium over a continuous range of positions and thus exhibit mechanism-like properties; equivalently, they have zero stiffness. The zero-stiffness modes are not internal mechanisms, as they involve first-order changes in member length, but are a direct result of the use of the special tensio...
متن کاملSymmetrical reconfiguration of tensegrity structures
In this article we first present a mathematical model which describes the nonlinear dynamics of tensegrity structures. For certain tensegrity structures a particular class of motions, coined symmetrical motions, is defined. The corresponding equations of motion are derived and the conditions under which symmetrical motions occur are established. Reconfiguration procedures through symmetrical mo...
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ژورنال
عنوان ژورنال: International Journal of Solids and Structures
سال: 2010
ISSN: 0020-7683
DOI: 10.1016/j.ijsolstr.2009.05.018