An overlay element method for accurate dynamic deflection prediction in knits subject to ballistic impact

• Published in: International journal of impact engineering Vol. 137; p. 103457
• Main Authors: McKee, P. Justin, Wetzel, Eric D.
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.03.2020; Elsevier BV
• Subjects: Ballistic impact; Ballistic penetration; Bending; Computer simulation; Continuous fibers; Deflection; Finite element; Finite element method; Knits; Mathematical models; Penetration resistance; Projectiles; Stretchability; Terminal ballistics; Textiles; Trusses; Yarns; Knits; Ballistic impact; Finite element; Textiles

•The overlay element method improves prediction of knit response to ballistic impact.•Knit stretchability highlights the importance of the bending response of yarns.•Simulated slip at the target's clamped boundary reduces stress reflection.•Methods allow a better match between simulated and exp...