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An extended cohesive damage model study of geometrical ratio effects on failure mechanisms of functionally graded sandwiches with multi-layered cores

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@article{ef975d8d11fc4fa7a8f8ac7823ab025d,
title = "An extended cohesive damage model study of geometrical ratio effects on failure mechanisms of functionally graded sandwiches with multi-layered cores",
abstract = "An investigation of geometrical ratio effects on failure mechanisms of functionally graded sandwiches with multi-layered cores (FGSMLC) is presented in this paper. The extended cohesive damage model (ECDM) is used in detailed investigations of geometrical ratio effects on the failure mechanisms of the FGSMLC under three-point bending. The ECDM prediction shows very good agreements with previous experimental work. The ECDM prediction reveals that the FGSMLC with 8-layered graded cores shows loading capacities increased by 64% compared to the one with a homogeneous core in all investigated cases with varied spans. The FGSMLC behaves different failure modes when their geometrical ratio between the depth and the span varies. It is the first time that this investigation explores the correlation between the failure load and the geometrical ratio of the FGSMLC. This investigation provides a sustainable approach to predict detailed failure mechanisms of the FGSMLC in further research and industrial applications.",
keywords = "Extended cohesive damage model, Functionally graded sandwiches multi-layered core, Geometrical ratio effects, Predictive shear failure modelling",
author = "S. Ghimire and J. Chen",
year = "2019",
month = sep
day = "15",
doi = "10.1016/j.compstruct.2019.110999",
language = "English",
volume = "224",
journal = "Composite Structures",
issn = "0263-8223",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - An extended cohesive damage model study of geometrical ratio effects on failure mechanisms of functionally graded sandwiches with multi-layered cores

AU - Ghimire, S.

AU - Chen, J.

PY - 2019/9/15

Y1 - 2019/9/15

N2 - An investigation of geometrical ratio effects on failure mechanisms of functionally graded sandwiches with multi-layered cores (FGSMLC) is presented in this paper. The extended cohesive damage model (ECDM) is used in detailed investigations of geometrical ratio effects on the failure mechanisms of the FGSMLC under three-point bending. The ECDM prediction shows very good agreements with previous experimental work. The ECDM prediction reveals that the FGSMLC with 8-layered graded cores shows loading capacities increased by 64% compared to the one with a homogeneous core in all investigated cases with varied spans. The FGSMLC behaves different failure modes when their geometrical ratio between the depth and the span varies. It is the first time that this investigation explores the correlation between the failure load and the geometrical ratio of the FGSMLC. This investigation provides a sustainable approach to predict detailed failure mechanisms of the FGSMLC in further research and industrial applications.

AB - An investigation of geometrical ratio effects on failure mechanisms of functionally graded sandwiches with multi-layered cores (FGSMLC) is presented in this paper. The extended cohesive damage model (ECDM) is used in detailed investigations of geometrical ratio effects on the failure mechanisms of the FGSMLC under three-point bending. The ECDM prediction shows very good agreements with previous experimental work. The ECDM prediction reveals that the FGSMLC with 8-layered graded cores shows loading capacities increased by 64% compared to the one with a homogeneous core in all investigated cases with varied spans. The FGSMLC behaves different failure modes when their geometrical ratio between the depth and the span varies. It is the first time that this investigation explores the correlation between the failure load and the geometrical ratio of the FGSMLC. This investigation provides a sustainable approach to predict detailed failure mechanisms of the FGSMLC in further research and industrial applications.

KW - Extended cohesive damage model

KW - Functionally graded sandwiches multi-layered core

KW - Geometrical ratio effects

KW - Predictive shear failure modelling

UR - http://www.scopus.com/inward/record.url?scp=85066291402&partnerID=8YFLogxK

U2 - 10.1016/j.compstruct.2019.110999

DO - 10.1016/j.compstruct.2019.110999

M3 - Article

AN - SCOPUS:85066291402

VL - 224

JO - Composite Structures

JF - Composite Structures

SN - 0263-8223

M1 - 110999

ER -

ID: 14387183