DEL SORBO, Pietro; GIRARDOT, Jeremie; DAU, Frederic; IORDANOFF, Ivan

doi:10.1016/j.compstruct.2017.05.018

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DEL SORBO, Pietro

GIRARDOT, Jeremie

Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

DAU, Frederic

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Composite Structures. 2018-01, vol. 183, p. 489-498

Elsevier

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Since the beginning of the last decade, few examples of multifilament models for dry fabrics have beenpresented in literature. This work deals with the simulation of a single yarn subjected to transverseimpact. Inspired by the models previously developed by other authors, a revisited form of DiscreteElement Method has been adopted to perform microscopic analyses in a more efficient computationalenvironment. Transverse impact analysis onto a single KEVLAR KM2 yarn has been performed using thisapproach. Truss elements have been adopted to discretize yarn filaments instead of heavy computational3D finite elements. A good agreement with literature results has been achieved with an important reductionof computational resource. In the end, a proposed scale transition is discussed.< Leer menos

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Yarn

Transversal impact

Ballistic

Numerical modelling

Discrete Element Method

Microscale

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Numerical investigations on a yarn structure at the microscale towards scale transition

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