Fracture parameter analysis of flat shells under out-of-plane loading using ordinary state-based peridynamics

Dai Dai

Tanaka Satoyuki

Bui Tinh Quoc

Oterkus Oterkus

Oterkus Erkan

Engineering Fracture Mechanics

The present paper is devoted to numerical investigation on fracture parameters of cracked
shells subjected to out-of-plane loading using ordinary state-based peridynamics (PD). The
nonlocal deformation gradient and equivalent domain integral are introduced to evaluate
fracture parameters. To reduce the surface effect and obtain more accurate results, the energy
method and volume correction algorithm are considered. Meanwhile, the adaptive dynamic
relaxation technique is employed to obtain steady-state solutions. From comparisons between
PD results and reference solutions, the proposed PD shell model successfully evaluates fracture
parameters in both single- and mixed-mode loading conditions.

Peridynamics

Nonlocal deformation gradient

Equivalent domain integral

Fracture parameters Mindlin plate

eng

Elsevier

© 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/

This is not the published version. Please cite only the published version.

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[DOI] https://doi.org/10.1016/j.engfracmech.2021.107560 isVersionOf