Results 211 to 220 of about 34,504 (250)

Crack propagation analysis in civil engineering structures

Computers & Structures, 1991
Abstract A system for crack propagation analysis based on the finite element method is shown. The system is easily applied to the investigation of crack propagation behavior due to fatigue in arbitrary structural members of, for example, steel bridges.
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Propagation of a flexure crack: experiment and analysis

International Journal of Fracture, 1978
Experiments and analyses are carried out on the low decelerating and accelerating speed of a flexure crack running in a specimen of a glass plate. The specimen is subjected to a spherical indentation on its upper surface and rests on a knife-edge or ring foundation.
Y. M. Tsai, Y. T. Chen
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Fatigue crack propagation—an analysis

Philosophical Magazine, 1968
Abstract A simple theory is developed to assess quantitatively the mechanism of fatigue crack propagation in metals. The basic laws governing fatigue are derived theoretically for failure in both the high and low stress regions, and the material parameters controlling crack propagation determined.
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Fatigue Crack Closure Analysis and Crack Propagation Estimation

1984
The purpose of this paper is to model analytically fatigue crack growth with a plasticity-induced crack closure effect in constant amplitude loading. The specimen considered in modelling is a centre-crack tension (CCT) one of 2219-T851 aluminium alloy.
S. K. P. Cheung, I. Le May
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Crack Propagation Analysis by Finite Differences

Journal of Applied Mechanics, 1973
A finite-difference scheme for treating the dynamic stress field around a crack tip under plane-strain conditions, is proposed. The scheme is initially applied to the case of a crack of constant length which is suddenly opened in an infinite elastic medium loaded by a remotely uniform stress.
M. Shmuely, Z. S. Alterman
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Crack layer analysis of fatigue crack propagation in rubber compounds

International Journal of Fracture, 1990
A methodology to characterize the resistance of rubber compounds to crack propagation (fracture toughness) is presented. A constitutive model based on the crack layer theory is utilized to extract the specific energy of damage γ*, a material parameter characteristic of the material's resistance to crack propagation and the dissipative characteristic, β.
H. Aglan, A. Chudnovsky, A. Moet, T. Fleischman, D. Stalnaker   +4 more
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Crack layer analysis of fatigue crack propagation in ABS polymer

Journal of Materials Science, 1995
Differences in damage formation during fatigue crack propagation in acrylonitrile-butadiene-styrene polymer, between tests both fulfilling and not fulfilling linear elastic fracture mechanics requirements, were related to differences in crack propagation behaviour through the crack layer (CL theory.
T. J. Bohatka, A. Moet
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Microscopic analysis of crack propagation for multiple cracks, inclusions and voids

Theoretical and Applied Fracture Mechanics, 2001
The elastic crack interaction with internal defects, such as microcracks, voids and rigid inclusions, is investigated in this study for the purpose of analyzing crack propagation. The elastic stress field is obtained using linear theory of elasticity for isotropic materials.
I. Demir, H.M. Zbib, M. Khaleel
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Fatigue crack propagation analysis of surface cracks in pipe elbows

International Journal of Fatigue, 2008
Abstract Piping elbows are one of the critical components of the cooling piping systems in power plants. This paper presents the details of fatigue crack propagation analysis based on code procedure and FEM and compares the results with experimental observations. The fatigue crack propagation was evaluated based on the inelastic range J integral, J
P NAGAPADMAJA, V KALYANARAMAN, S SATISHKUMAR, B RAO   +3 more
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Analysis of crack front propagation in contact

1992
The phenomenon of crack initiation and propagation in railway rails has appeared as an important problem in engineering and has become an object of intensive research in many scientific centers. Of particular recent interest is the so-called “squat” defect, and a surface crack which propagates from an origin near the rail crown along an inclined path ...
M. Olzak, J. Stupnicki, R. Wójcik
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