Estimating shear modulus of yarn on impact by lazy learning

Yuan, Zishun; He, Jie; Yang, Yaru; Xu, Pinghua; Lu, Zhenqian; Xu, Wang

doi:10.1016/j.ijmecsci.2024.109074

Cited by 1 publication

(1 citation statement)

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“…MAT162 is a progressive composite damage model for both unidirectional and woven fabric composites based on Hashin criteria. MAT162 includes the effect of strain rate on material properties like elastic moduli, and its accuracy has been verified and validated [34,35,[37][38][39]. While MAT162 encompasses six damage modes for composite materials, this study excludes the delamination mode because it is relevant only when predefined interface layers are applied.…”

Section: Damage Criterionmentioning

confidence: 99%

Numerical Study of the Influence of the Structural Parameters on the Stress Dissipation of 3D Orthogonal Woven Composites under Low-Velocity Impact

Xu,

Zikry,

Seyam

2024

Technologies

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This study investigates the effects of the number of layers, x-yarn (weft) density, and z-yarn (binder) path on the mechanical behavior of E-glass 3D orthogonal woven (3DOW) composites during low-velocity impacts. Meso-level finite element (FE) models were developed and validated for 3DOW composites with different yarn densities and z-yarn paths, providing analyses of stress distribution within reinforcement fibers and matrix, energy absorption, and failure time. Our findings revealed that lower x-yarn densities led to accumulations of stress concentrations. Furthermore, changing the z-yarn path, such as transitioning from plain weaves to twill or basket weaves had a noticeable impact on stress distributions. The research highlights the significance of designing more resilient 3DOW composites for impact applications by choosing appropriate parameters in weaving composite designs.

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