2010
DOI: 10.1007/s10704-010-9442-4
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Studies of dynamic crack propagation and crack branching with peridynamics

Abstract: In this paper we discuss the peridynamic analysis of dynamic crack branching in brittle materials and show results of convergence studies under uniform grid refinement (m-convergence) and under decreasing the peridynamic horizon (δ-convergence). Comparisons with experimentally obtained values are made for the crack-tip propagation speed with three different peridynamic horizons. We also analyze the influence of the particular shape of the micro-modulus function and of different materials (Duran 50 glass and so… Show more

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Cited by 616 publications
(214 citation statements)
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References 30 publications
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“…Kilic and Madenci [120,121] studied structural stability and failure analysis, and in that work peridynamics was used to predict crack paths in a quenched glass plate. Some other studies have been conducted in fracture mechanics using peridynamics [122][123][124][125], and peridynamics has also been applied to study composites [126][127][128][129].…”
Section: Peridynamicsmentioning
confidence: 99%
“…Kilic and Madenci [120,121] studied structural stability and failure analysis, and in that work peridynamics was used to predict crack paths in a quenched glass plate. Some other studies have been conducted in fracture mechanics using peridynamics [122][123][124][125], and peridynamics has also been applied to study composites [126][127][128][129].…”
Section: Peridynamicsmentioning
confidence: 99%
“…At scales much larger than the horizon size, the specific shape of the micromodulus function has little influence. The shape of the micro-conductivity function also plays a role in terms of numerical approximations, as shown in, e.g., [22,23] for the micromodulus function in the mechanical peridynamic model.…”
Section: The Micro-conductivity Functionmentioning
confidence: 99%
“…where μ is a history-dependent scalar-valued function defined by if e (τ, ξ, η) < e 0 (10) otherwise Here, (11) is the "relative elongation" of a bond, e 0 is the critical relative elongation of the bond, ξ = x -x is the relative position vector in the initial configuration and η = u(x , t) -u (x, t) is the relative displacement vector (see, e.g., [23,25]). The scalar-valued function α is zero if the crack can be assimilated with an insulated crack, and is a sub-unitary number if conduction is only partially reduced by the crack formed.…”
Section: A Thermal Materials With Damagementioning
confidence: 99%
“…Peridynamics has been successfully applied to crack propagation [8,12], investigating impact on a brittle solid [22], failure analyses of composites [2,11] and nanotube reinforced composites [9]. The first peridynamic formulation that most researchers have applied from the literature is the "bond-based" model.…”
Section: Introductionmentioning
confidence: 99%