Exploring the shock response of spider webs

V. Tietsch, J. Alencastre, H. Witte, F. G. Torres

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

17 Citas (Scopus)


Spider orb-webs are designed to allow for quick energy absorption as well as the constraint of drastic oscillations occurring upon prey impact. Studies on spider silk illustrate its impressive mechanical properties and its capacity to be used as technical fibers in composite materials. Models have previously been used to study the mechanical properties of different silk fibers, but not the behavior of the spider web as a whole. Full spider webs have been impacted by a projectile and the transverse displacement was measured by means of a laser interferometer. The damping and stiffness of the entire webs were quantified considering the orb-web as a single-degree-of-freedom (SDOF) system. The amplitude, the period duration, and the energy dissipation of the oscillations have also been reported from the experiments. The analysis of the energy dissipation confirmed that the webs of orb-web spiders are optimized for the capture of a single or few large prey, rather than several small prey. The experiments also confirmed that the overall stiffness of the web displayed a non-linear behavior. Such non-linearity was also observed in the damping characteristics of the webs studied.

Idioma originalInglés
Páginas (desde-hasta)1-5
Número de páginas5
PublicaciónJournal of the Mechanical Behavior of Biomedical Materials
EstadoPublicada - 1 mar. 2016


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