Application of cohesive elements in modeling the low-velocity impact responseand failure of fiber reinforced plastic laminates

JIANG Zhen; WEN Heming

doi:10.11883/bzycj-2017-0245

Volume 39 Issue 4

Mar. 2019

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JIANG Zhen, WEN Heming. Application of cohesive elements in modeling the low-velocity impact responseand failure of fiber reinforced plastic laminates[J]. Explosion And Shock Waves, 2019, 39(4): 043202. doi: 10.11883/bzycj-2017-0245

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JIANG Zhen, WEN Heming. Application of cohesive elements in modeling the low-velocity impact responseand failure of fiber reinforced plastic laminates[J]. Explosion And Shock Waves, 2019, 39(4): 043202. doi: 10.11883/bzycj-2017-0245

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Application of cohesive elements in modeling the low-velocity impact responseand failure of fiber reinforced plastic laminates

doi: 10.11883/bzycj-2017-0245

JIANG Zhen,
WEN Heming^,

CAS Key Laboratory for Mechanical Behavior and Design of Materials,University of Science and Technology of China, Hefei 230026, Anhui, China

Received Date: 2017-06-30
Rev Recd Date: 2017-08-28

Available Online: 2019-03-25

Publish Date: 2019-04-01

Abstract

Abstract

Fiber reinforced plastic laminates (FRP) have been widely applied in modern industries such as aeronautics, astronautics, transportation, naval architecture. The impact response and failure process of FRP laminates are a major concern in academic and engineering community. In this paper, the response and failure of FRP laminates under impact loading are numerically simulated with emphasis being placed upon delamination by cohesive elements. The paper consists of three main parts: a damage model of adhesive layer based on improved cohesive zone method is firstly described; and then followed by constructing a finite element model with some modeling details; finally, the finite element model is validated on experiments, and the reason of delamination damage is delineated. It has been demonstrated that the present model can predict not only the load-time history and the load-displacement curve but also the delamination of FRP laminates under low-velocity impact.
- fiber reinforced plastic laminates,
- progressive damage constitutive model,
- delamination,
- cohesive element

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References(22)

References

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