A numerical investigation of the influence of friction on energy absorption by a high-strength fabric subjected to ballistic impact
作者： Y. Duan , M. Keefe , T.A. Bogetti , B.A. Cheeseman , B. Powers
DOI: 10.1016/J.IJIMPENG.2004.11.005
关键词:
摘要: Abstract A finite element analysis was conducted to study the influence of friction during ballistic impact a rigid sphere onto square fabric panel that firmly clamped along its four edges. Projectile-fabric and yarn–yarn were investigated. Modeling indicates dramatically affects local structure at region by hindering lateral mobility principal yarns. Reduction yarn allows projectile load break more yarns so possessing high level absorbs energy than with no friction. The projectile-fabric delays breakage distributing maximum stress periphery contact zone. delay substantially increases absorption later stages impact. hinders relative motion between thus resists de-crimping weave tightness. It induces fail earlier process. overall cannot be calculated simply adding their individual effects.
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