2015
DOI: 10.1007/s10704-015-0038-x
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Recent developments in dynamic fracture: some perspectives

Abstract: We briefly review a number of important recent experimental and theoretical developments in the field of dynamic fracture. Topics include experimental validation of the equations of motion for straight tensile cracks (in both infinite media and strip geometries), validation of a new theoretical description of the near-tip fields of dynamic cracks incorporating weak elastic nonlinearities, a new understanding of dynamic instabilities of tensile cracks in both 2D and 3D, crack front dynamics, and the relation be… Show more

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Cited by 59 publications
(45 citation statements)
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References 229 publications
(367 reference statements)
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“…The latter factor is supported by theoretical results (Fineberg & Bouchbinder, ; Marder, ) in the case of a crack propagating in an externally loaded infinite strip. Even if the system possesses a reflection symmetry, wave interaction of the rupture with boundaries leads to an energy release rate involving an inertial term and an effective mass, which decreases to 0 as the rupture speed approaches the speed limit.…”
Section: Resultssupporting
confidence: 61%
See 1 more Smart Citation
“…The latter factor is supported by theoretical results (Fineberg & Bouchbinder, ; Marder, ) in the case of a crack propagating in an externally loaded infinite strip. Even if the system possesses a reflection symmetry, wave interaction of the rupture with boundaries leads to an energy release rate involving an inertial term and an effective mass, which decreases to 0 as the rupture speed approaches the speed limit.…”
Section: Resultssupporting
confidence: 61%
“…This is due to the tensile normal traction perturbation and inherited inertial dynamics involving a velocity‐dependent effective mass (Marder, ). This is in contrast with the rupture propagation within an infinite strip, where the inertia dynamics inherited from rupture/wave interaction reduces the acceleration of the rupture toward the limit speed (Fineberg & Bouchbinder, ; Goldman et al, ). It is worthy to note here that in our idealized reverse fault, the stronger acceleration does not lead to a short rupture time.…”
Section: Discussionmentioning
confidence: 97%
“…Under this condition, the only meaningful yet unknown parameter is fracture energy, which along with measurable rupture speed fully characterizes the deformation fields surrounding the rupture tip. On the other hand, the fact that real materials can only sustain finite stress and strain rate has led to the development of physically sound models to regularize rupture‐tip singularities over some finite scale (Fineberg & Bouchbinder, , and references therein). After regularization, details inside the rupture tip become meaningful and participate in the determination of the deformation fields surrounding the rupture tip.…”
Section: Introductionmentioning
confidence: 99%
“…However, numerical simulations of acoustic emission do not fully capture the wave phenomena occurring during dynamic crack propagation . This relates to the complexity in the dynamic crack propagation . In the framework of the continuum description, a crack path and its tip velocity are the two problematic issues.…”
Section: Introductionmentioning
confidence: 99%
“…[4] This relates to the complexity in the dynamic crack propagation. [5] In the framework of the continuum description, a crack path and its tip velocity are the two problematic issues. Whereas the crack path can be aligned by boundary conditions, the crack tip velocity should be determined by a kinetic relation.…”
Section: Introductionmentioning
confidence: 99%