Journal ArticleDOI
Numerical study of dynamic crack growth by the finite element method
D. R. J. Owen,D. Shantaram +1 more
TLDR
In this paper, transient dynamic finite element solutions are undertaken for both double cantilever beam (DCB) and pipeline problems with propagation of the crack being permitted, with an explicit (central difference) scheme being employed for time integration.Abstract:
Recent developments in numerical techniques for dynamic transient stress analysis have ensured that realistic models can now be employed in crack propagation studies. In this paper transient dynamic finite element solutions are undertaken for both double cantilever beam (DCB) and pipeline problems with propagation of the crack being permitted. Standard parabolic isoparametric elements are employed for spatial discretization with an explicit (central difference) scheme being employed for time integration. Both critical stress and energy balance crack propagation criteria are considered.read more
Citations
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Journal ArticleDOI
Dynamic faulting studied by a finite difference method
Jean Virieux,Raul Madariaga +1 more
TL;DR: In this article, a finite difference method was developed for dynamic shear cracks with a focus on the modeling of the stress field, and the authors compared their numerical results for semi-infinite and self-similar cracks with the few exact solutions available in the literature.
Journal ArticleDOI
Dynamic faulting studied by a finite difference method : Bull seismol soc am, V72, N2, April 1982, P345–369
J. Virieux,R. Madariaga +1 more
Journal ArticleDOI
Modeling of dynamic crack propagation: I. validation of one-dimensional analysis
TL;DR: In this article, the formulation of the problem of a rapidly propagating crack in a double cantilever beam specimen is re-examined using Reissner's variational principle.
Journal ArticleDOI
Dynamic Delamination Propagation in Composite Beams
Bhavam V. Sankar,Shoufeng Hu +1 more
TL;DR: In this article, the problem of dynamic delamination growth in composite beams is analyzed using finite clement method and the delaminated beam is modeled as two beams above and below the plane of delamination.
Journal ArticleDOI
Initiation and propagation toughness of delamination crack under an impact load
Prashant Kumar,N.N. Kishore +1 more
TL;DR: In this article, a combined experimental and finite element method was developed to determine the interlaminar dynamic fracture toughness in a double cantilever beam (DCB) specimen made of two steel strips with a precrack.
References
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Journal ArticleDOI
An augmented double cantilever beam model for studying crack propagation and arrest
TL;DR: In this paper, an improved analytical model for the double cantilever beam fracture specimen is developed by treating a finite length beam which is partly free and partly supported by an elastic foundation.
Journal ArticleDOI
Evaluation of numerical integration methods in elastodynamics
G.L. Goudreau,R.L. Taylor +1 more
TL;DR: In this paper, the Newmark family of second-order difference approximations is compared with the original or extended Wilson and Houboult methods for the direct time integration of the spatially discretized equations of linear elastodynamics.
Journal ArticleDOI
A dynamic analysis of unstable crack propagation and arrest in the DCB test specimen
TL;DR: In this article, a simple analytical model is developed to accompany experimental work on rapid crack propagation and arrest in the DCB test specimen, and it is demonstrated that kinetic energy makes an important contribution to maintaining unstable crack propagation.
Journal ArticleDOI
Dynamic transient behaviour of two‐ and three‐dimensional structures including plasticity, large deformation effects and fluid interaction
TL;DR: In this article, the finite element method is employed in the prediction of the dynamic transient response of two-and three-dimensional solids exhibiting geometric (large deformations) and material (elasto-plastic) non-linearities.
Journal ArticleDOI
Static and dynamic analysis of the DCB problem in fracture mechanics
M. Shmuely,D. Peretz +1 more
TL;DR: In this paper, a finite difference scheme for treating the static and dynamic stress fields under plane-strain conditions in the DCB is proposed, and the adequacy of the scheme is established via the static solution by comparing the results obtained numerically with those obtained experimentally.
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