Experimental observation and numerical modelling of unstable behaviour of a fast crack velocity

Ivan Smirnov, Nikita Kazarinov, Yuri Petrov

Research output

Abstract

Dynamic crack propagation due to quasistatic loading in PMMA plates with a notch is considered. Both experimental data and results of numerical simulations are presented. The crack tip position was registered using slit-scan photography. Numerical simulations were performed using the finite element method and the incubation time fracture criterion. Special attention was paid to the unstable behaviour of the crack velocity. Processing of the experimental data revealed oscillations of the crack velocity, which were qualitatively obtained using the numerical model.

Original languageEnglish
Pages (from-to)53-58
Number of pages6
JournalTheoretical and Applied Fracture Mechanics
Volume101
DOIs
Publication statusPublished - 1 Jun 2019

Fingerprint

Numerical Modeling
Crack
cracks
Unstable
Experimental Data
Cracks
Numerical Simulation
Notch
photography
crack tips
Computer simulation
Photography
Crack Propagation
crack propagation
Polymethyl Methacrylate
Crack Tip
notches
Crack tips
slits
Numerical models

Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Applied Mathematics

Cite this

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abstract = "Dynamic crack propagation due to quasistatic loading in PMMA plates with a notch is considered. Both experimental data and results of numerical simulations are presented. The crack tip position was registered using slit-scan photography. Numerical simulations were performed using the finite element method and the incubation time fracture criterion. Special attention was paid to the unstable behaviour of the crack velocity. Processing of the experimental data revealed oscillations of the crack velocity, which were qualitatively obtained using the numerical model.",
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AU - Petrov, Yuri

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N2 - Dynamic crack propagation due to quasistatic loading in PMMA plates with a notch is considered. Both experimental data and results of numerical simulations are presented. The crack tip position was registered using slit-scan photography. Numerical simulations were performed using the finite element method and the incubation time fracture criterion. Special attention was paid to the unstable behaviour of the crack velocity. Processing of the experimental data revealed oscillations of the crack velocity, which were qualitatively obtained using the numerical model.

AB - Dynamic crack propagation due to quasistatic loading in PMMA plates with a notch is considered. Both experimental data and results of numerical simulations are presented. The crack tip position was registered using slit-scan photography. Numerical simulations were performed using the finite element method and the incubation time fracture criterion. Special attention was paid to the unstable behaviour of the crack velocity. Processing of the experimental data revealed oscillations of the crack velocity, which were qualitatively obtained using the numerical model.

KW - Crack propagation

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KW - Fracture dynamics

KW - Incubation time

KW - Velocity instability

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