Results 201 to 210 of about 233,302 (259)
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A shock process with a non-cumulative damage
Reliability Engineering and System Safety, 2001Abstract Two types of non-cumulative damage shock models are considered. Based on the distribution of damage, caused by a shock effecting a system, the intervals with small, intermediate and large damage are introduced. The initial homogeneous Poisson shock process is split into three homogeneous Poisson processes and studied independently.
Maxim S. Finkelstein +1 more
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Journal of Applied Mechanics, Transactions ASME, 1945
Abstract The phenomenon of cumulative damage under repeated loads was assumed to be related to the net work absorbed by a specimen. The number of loading cycles applied expressed as a percentage of the number to failure at a given stress level would be the proportion of useful life expended.
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Abstract The phenomenon of cumulative damage under repeated loads was assumed to be related to the net work absorbed by a specimen. The number of loading cycles applied expressed as a percentage of the number to failure at a given stress level would be the proportion of useful life expended.
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On Nonstationary Cumulative Damage Models
Journal of Applied Mechanics, 1982In this paper, we continue our study of embedded Markoff Chain Models of Cumulative Damage. We introduce and discuss a time transformation that leads to a condensation method. This method appears to be unusally comprehensive and a practical way to study nonstationary models of cummulative damage.
Bogdanoff, J. L., Kozin, F.
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On the monte carlo methodology for cumulative damage
Computers & Structures, 1983Abstract In this paper a class of systems undergoing sequential damage is considered. A stochastic model for sequential damage is proposed. Based upon the model, a refined Monte Carlo method for cumulative damage is developed. It is shown how the modified algorithm economizes on both core memory and computing time.
Ma, Fai, Wong, F. S., Caughey, T. K.
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An «ultimate» approach to cumulative seismic damage
Meccanica, 1979This paper presents an approach to investigate seismic reliability of structures acted on by more earthquakes.
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A stochastic theory of cumulative fatigue damage
Probabilistic Engineering Mechanics, 1991Abstract A Stochastic theory for the cumulative fatigue damage of structural component with random fatigue strength under random loading is proposed on the basis of the Stratonovich-Khasminskii theorem. The analytical solutions for the probability densities of the cumulative fatigue damage and fatigue life and for the reliability function are given ...
W. Q. Zhu, Y. Lei
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A cumulative damage model for bone fracture
Journal of Orthopaedic Research, 1985AbstractA mathematical model is presented to describe the combined time‐dependent and cycle‐dependent fracture characteristics of devitalized cortical bone. Failure is interpreted based on a linear‐life fraction rule, which accounts for cumulative creep and fatigue damage under arbitrary loading histories.
D R, Carter, W E, Caler
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SAE Technical Paper Series, 1982
<div class="htmlview paragraph">Methods to predict fatigue life using cumulative damage analysis are presented. Input data, fatigue properties and service history are defined for five basic analysis types. Four different cycle counting procedures used to analyze complex variable amplitude service histories are illustrated.</div>
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<div class="htmlview paragraph">Methods to predict fatigue life using cumulative damage analysis are presented. Input data, fatigue properties and service history are defined for five basic analysis types. Four different cycle counting procedures used to analyze complex variable amplitude service histories are illustrated.</div>
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Engineering Fracture Mechanics, 1979
Abstract The effect of two step stress variation and intermittent loading on the creep behaviour of commercially pure aluminium and stainless steel has been investigated. In the two step stress variation, the first stress σ1 was applied for a given time t1 and the stress level was switched over to σ2.
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Abstract The effect of two step stress variation and intermittent loading on the creep behaviour of commercially pure aluminium and stainless steel has been investigated. In the two step stress variation, the first stress σ1 was applied for a given time t1 and the stress level was switched over to σ2.
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