A comprehensive investigation on macro-micro crack interactions in functionally graded materials using ordinary-state based peridynamics

M. Ozdemir; M. Imachi; S. Tanaka; S. Oterkus; E. Oterkus

doi:10.1016/j.compstruct.2022.115299

A comprehensive investigation on macro-micro crack interactions in functionally graded materials using ordinary-state based peridynamics

M. Ozdemir, M. Imachi, S. Tanaka, S. Oterkus, E. Oterkus

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Abstract

In the present work, interactions between a macro-crack and various microcrack configurations are studied extensively. Influence of different microcrack configurations on propagation of a main crack is numerically examined by ordinary state-based peridynamics. Certain micro-crack configurations improve toughness of the specimens, while the some only has marginal impact on the crack growth rate. Furthermore, very complex crack patterns are effectively simulated by the present implementation of ordinary state-based formulation.

Original language	English
Article number	115299
Number of pages	14
Journal	Composite Structures
Volume	287
Early online date	5 Feb 2022
DOIs	https://doi.org/10.1016/j.compstruct.2022.115299
Publication status	Published - 1 May 2022

Keywords

peridynamics
functionally graded materials
micro-cracks
crack-speed

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Ozdemir-etal-CS-2022-A-comprehensive-investigation-on-macro-micro-crackFinal published version, 2.41 MBLicence: CC BY 4.0

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abstract = "In the present work, interactions between a macro-crack and various microcrack configurations are studied extensively. Influence of different microcrack configurations on propagation of a main crack is numerically examined by ordinary state-based peridynamics. Certain micro-crack configurations improve toughness of the specimens, while the some only has marginal impact on the crack growth rate. Furthermore, very complex crack patterns are effectively simulated by the present implementation of ordinary state-based formulation.",

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AU - Ozdemir, M.

AU - Imachi, M.

AU - Tanaka, S.

AU - Oterkus, S.

AU - Oterkus, E.

PY - 2022/5/1

Y1 - 2022/5/1

N2 - In the present work, interactions between a macro-crack and various microcrack configurations are studied extensively. Influence of different microcrack configurations on propagation of a main crack is numerically examined by ordinary state-based peridynamics. Certain micro-crack configurations improve toughness of the specimens, while the some only has marginal impact on the crack growth rate. Furthermore, very complex crack patterns are effectively simulated by the present implementation of ordinary state-based formulation.

AB - In the present work, interactions between a macro-crack and various microcrack configurations are studied extensively. Influence of different microcrack configurations on propagation of a main crack is numerically examined by ordinary state-based peridynamics. Certain micro-crack configurations improve toughness of the specimens, while the some only has marginal impact on the crack growth rate. Furthermore, very complex crack patterns are effectively simulated by the present implementation of ordinary state-based formulation.

KW - peridynamics

KW - functionally graded materials

KW - micro-cracks

KW - crack-speed

U2 - 10.1016/j.compstruct.2022.115299

DO - 10.1016/j.compstruct.2022.115299

M3 - Article

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VL - 287

JO - Composite Structures

JF - Composite Structures

M1 - 115299

ER -

A comprehensive investigation on macro-micro crack interactions in functionally graded materials using ordinary-state based peridynamics

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Keywords

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