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Nonlinear analysis of hexagon-based tensegrity ring: Effect of slackened and yielded cables
Abstract This paper addresses static analysis of tensegrity rings as the last generation of tensegrity systems. It discusses also combined geometric and material nonlinearities. A numerical iterative method based on updated Lagrangian formulation is used. The Lagrangian formulation is subjected to Crisfield’s spherical arc-length constraint. The resulting algorithm is new as it takes into account some slackening cables and yielding of others on the whole structure nonlinear behavior. Second-order geometric effects are included through higher order nonlinear stiffness matrices. Material nonlinearity cables-based yielding is modeled by means of the tangent stiffness modulus which is used not only to evaluate elastic rigidity matrix but second order elastic rigidity matrices as well. Results obtained from single or assembly of several hexagon-based ring cells submitted to different loading are discussed in detail.
Nonlinear analysis of hexagon-based tensegrity ring: Effect of slackened and yielded cables
Abstract This paper addresses static analysis of tensegrity rings as the last generation of tensegrity systems. It discusses also combined geometric and material nonlinearities. A numerical iterative method based on updated Lagrangian formulation is used. The Lagrangian formulation is subjected to Crisfield’s spherical arc-length constraint. The resulting algorithm is new as it takes into account some slackening cables and yielding of others on the whole structure nonlinear behavior. Second-order geometric effects are included through higher order nonlinear stiffness matrices. Material nonlinearity cables-based yielding is modeled by means of the tangent stiffness modulus which is used not only to evaluate elastic rigidity matrix but second order elastic rigidity matrices as well. Results obtained from single or assembly of several hexagon-based ring cells submitted to different loading are discussed in detail.
Nonlinear analysis of hexagon-based tensegrity ring: Effect of slackened and yielded cables
Khellaf, N. (author) / Kebiche, K. (author)
KSCE Journal of Civil Engineering ; 17 ; 1371-1382
2013-08-17
12 pages
Article (Journal)
Electronic Resource
English
Nonlinear analysis of hexagon-based tensegrity ring: Effect of slackened and yielded cables
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