Peridynamic modeling of composite laminates with material coupling and transverse shear deformation

Y. L. Hu; Yin Yu; E. Madenci

doi:10.1016/j.compstruct.2020.112760

Peridynamic modeling of composite laminates with material coupling and transverse shear deformation

Y. L. Hu, Yin Yu, E. Madenci

Aerospace and Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

This study presents a new state-based PeriDynamic (PD) model of a composite laminate with arbitrary laminate layup; it captures all types of material couplings in the presence of transverse shear deformation. It consists of normal and shear bonds instead of fiber and matrix bonds to allow arbitrary fiber orientations. Also, rotational degrees of freedom are included in the equilibrium equations in order to evaluate the transverse shear angle and curvature. Mindlin-Reissner plate theory, employed in this model, permits the use of existing composite constitutive law which leads to the coupling between different deformation modes. In addition, a quasi-local boundary condition applied only to the first row of material points avoids the approximation of nonlocal boundary values. The accuracy of this model is verified against benchmark solutions, and validated by comparison with experimental results.

Original language	English (US)
Article number	112760
Journal	Composite Structures
Volume	253
DOIs	https://doi.org/10.1016/j.compstruct.2020.112760
State	Published - Dec 1 2020

Keywords

Composite laminate
Deformation mode
Material coupling
Peridynamics
Transverse shear

ASJC Scopus subject areas

Ceramics and Composites
Civil and Structural Engineering

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10.1016/j.compstruct.2020.112760

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title = "Peridynamic modeling of composite laminates with material coupling and transverse shear deformation",

abstract = "This study presents a new state-based PeriDynamic (PD) model of a composite laminate with arbitrary laminate layup; it captures all types of material couplings in the presence of transverse shear deformation. It consists of normal and shear bonds instead of fiber and matrix bonds to allow arbitrary fiber orientations. Also, rotational degrees of freedom are included in the equilibrium equations in order to evaluate the transverse shear angle and curvature. Mindlin-Reissner plate theory, employed in this model, permits the use of existing composite constitutive law which leads to the coupling between different deformation modes. In addition, a quasi-local boundary condition applied only to the first row of material points avoids the approximation of nonlocal boundary values. The accuracy of this model is verified against benchmark solutions, and validated by comparison with experimental results.",

keywords = "Composite laminate, Deformation mode, Material coupling, Peridynamics, Transverse shear",

author = "Hu, {Y. L.} and Yin Yu and E. Madenci",

note = "Funding Information: This work is supported by National Natural Science Foundation of China under Grant No. 11902197 , and sponsored by Shanghai Sailing Program under Contract No. 19YF1421700 . The corresponding author is grateful to the research grant for young scholar by Shanghai Jiao Tong University . Publisher Copyright: {\textcopyright} 2020 Elsevier Ltd",

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doi = "10.1016/j.compstruct.2020.112760",

language = "English (US)",

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AU - Hu, Y. L.

AU - Yu, Yin

AU - Madenci, E.

N1 - Funding Information: This work is supported by National Natural Science Foundation of China under Grant No. 11902197 , and sponsored by Shanghai Sailing Program under Contract No. 19YF1421700 . The corresponding author is grateful to the research grant for young scholar by Shanghai Jiao Tong University . Publisher Copyright: © 2020 Elsevier Ltd

PY - 2020/12/1

Y1 - 2020/12/1

N2 - This study presents a new state-based PeriDynamic (PD) model of a composite laminate with arbitrary laminate layup; it captures all types of material couplings in the presence of transverse shear deformation. It consists of normal and shear bonds instead of fiber and matrix bonds to allow arbitrary fiber orientations. Also, rotational degrees of freedom are included in the equilibrium equations in order to evaluate the transverse shear angle and curvature. Mindlin-Reissner plate theory, employed in this model, permits the use of existing composite constitutive law which leads to the coupling between different deformation modes. In addition, a quasi-local boundary condition applied only to the first row of material points avoids the approximation of nonlocal boundary values. The accuracy of this model is verified against benchmark solutions, and validated by comparison with experimental results.

AB - This study presents a new state-based PeriDynamic (PD) model of a composite laminate with arbitrary laminate layup; it captures all types of material couplings in the presence of transverse shear deformation. It consists of normal and shear bonds instead of fiber and matrix bonds to allow arbitrary fiber orientations. Also, rotational degrees of freedom are included in the equilibrium equations in order to evaluate the transverse shear angle and curvature. Mindlin-Reissner plate theory, employed in this model, permits the use of existing composite constitutive law which leads to the coupling between different deformation modes. In addition, a quasi-local boundary condition applied only to the first row of material points avoids the approximation of nonlocal boundary values. The accuracy of this model is verified against benchmark solutions, and validated by comparison with experimental results.

KW - Composite laminate

KW - Deformation mode

KW - Material coupling

KW - Peridynamics

KW - Transverse shear

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Peridynamic modeling of composite laminates with material coupling and transverse shear deformation

Abstract

Keywords

ASJC Scopus subject areas

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