Experimental-numerical-virtual (ENV) modelling technique for composite structure against low velocity impacts

Yuan, Feng; Wang, Qihan; Zhang, Tianyu; Wu, Di; Chen, Xiaojun; Luo, Zhen; Gao, Wei

doi:10.1016/j.engstruct.2022.115488

Engineering Structures

2023

DOI: 10.1016/j.engstruct.2022.115488

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Experimental-numerical-virtual (ENV) modelling technique for composite structure against low velocity impacts

Feng Yuan

Qihan Wang

Tianyu Zhang

et al.

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Cited by 11 publications

References 59 publications

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Experimental and numerical investigation of the damage propagation in regularly arrayed short fiber reinforced composite laminates under low‐velocity impact

Hu,

Huang,

et al. 2024

Polymer Composites

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The outstanding mechanical performance and flowability of unidirectionally arrayed chopped strands (UACSs) give them an advantage in the manufacture of engineering structures with complex geometry. For the application of practical structures, the impact responses and damage evolution of material under low‐velocity impact must be investigated in advance. In this study, UACS laminates and continuous carbon fiber laminates with a stacking sequence of [0/90]4s and a thickness of 2 mm were fabricated for low‐velocity impact tests at 7, 11, 15, and 20 J. The impact responses and postimpact intralaminar damage area were analyzed according to the experimental results, including impact load responses and ultrasound C‐scan inspections. Moreover, to predict the damage evolution of the internal structure, the 3D finite element models were constructed in ABAQUS using a progressive damage model (PDM) through a user‐material subroutine VUMAT. Compared with continuous carbon fiber laminates, the dissipated energy of UACS laminates increases by approximately 10.64% and 57.37% for the 15 and 20 J, respectively. However, the intralaminar damage area of UACS laminates decreased by 29.96% and 28.16% at 15 and 20 J, respectively, since the discontinuous slits in UACS laminates can guide damage paths and suppress damage propagation.Highlights The regularly arrayed short fiber reinforced composite was studied. Revealed the low‐velocity impact responses and predicted the damage evolution. UACS and CFRP laminates have comparable impact performance. Illustrated the slits design can suppress the damage to a relatively small area.

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Experimental and numerical investigation of the damage propagation in regularly arrayed short fiber reinforced composite laminates under low‐velocity impact

Hu,

Huang,

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

Nonlinear dynamic analysis of the graphene platelets reinforced porous plate with magneto-electro-elastic sheets subjected to impact load

Tian,

Li,

Feng

et al. 2023

Nonlinear Dyn

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Past, current and future trends and challenges in non-deterministic fracture mechanics: A review

Yuan

Stewart

et al. 2023

Computer Methods in Applied Mechanics and Engineering

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Experimental-numerical-virtual (ENV) modelling technique for composite structure against low velocity impacts

Cited by 11 publications

References 59 publications

Experimental and numerical investigation of the damage propagation in regularly arrayed short fiber reinforced composite laminates under low‐velocity impact

Experimental and numerical investigation of the damage propagation in regularly arrayed short fiber reinforced composite laminates under low‐velocity impact

Nonlinear dynamic analysis of the graphene platelets reinforced porous plate with magneto-electro-elastic sheets subjected to impact load

Past, current and future trends and challenges in non-deterministic fracture mechanics: A review

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