Results 211 to 220 of about 71,999 (265)
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Lifetime prediction of polymers
Journal of Applied Polymer Science, 1995AbstractNatural and artificially accelerated weathering trials were carried out on low‐density polyethylene samples used for agricultural and disposable purposes. Modifications in polymer characteristics were studied using Fourier transform infrared (FTIR) spectroscopy, different scanning calorimetry (DSC), gel permeation chromatography (GPC), scanning
S. H. Hamid, M. B. Amin
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Genetic Prediction of Lifetime Risk of Fracture
The Journal of Clinical Endocrinology & Metabolism, 2023Abstract Context Fragility fracture is a significant public health problem because it is associated with increased mortality. We want to find out whether the risk of fracture can be predicted from the time of birth.
Thao P Ho-Le +5 more
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Predicting Eclipse Bug Lifetimes
Fourth International Workshop on Mining Software Repositories (MSR'07:ICSE Workshops 2007), 2007In non-trivial software development projects planning and allocation of resources is an important and difficult task. Estimation of work time to fix a bug is commonly used to support this process. This research explores the viability of using data mining tools to predict the time to fix a bug given only the basic information known at the beginning of a
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SPIE Proceedings, 1992
A computer program is described that can analyze optical fiber fatigue data from a variety of fatigue experiments and for a variety of crack growth kinetics models and can then predict long term static fatigue behavior. The key feature of the program is its’ ability to analyze the statistical uncertainty in the predictions due to scatter in the data to
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A computer program is described that can analyze optical fiber fatigue data from a variety of fatigue experiments and for a variety of crack growth kinetics models and can then predict long term static fatigue behavior. The key feature of the program is its’ ability to analyze the statistical uncertainty in the predictions due to scatter in the data to
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2020
This chapter describes continuum and discontinuum based numerical methods to describe subcritical and critical crack growth. The basic assumption is the existence of microcracks with arbitrary orientation and length, which grow under loading according to the Charles or Charles-Hillig laws under consideration of linear elastic fracture mechanics.
H. Konietzky, X. Li, W. Chen
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This chapter describes continuum and discontinuum based numerical methods to describe subcritical and critical crack growth. The basic assumption is the existence of microcracks with arbitrary orientation and length, which grow under loading according to the Charles or Charles-Hillig laws under consideration of linear elastic fracture mechanics.
H. Konietzky, X. Li, W. Chen
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Lifetime Prediction for Bearings in Induction Motor
2019 IEEE International Conference on Industrial Cyber Physical Systems (ICPS), 2019Induction machines are commonly used in the industrial applications. They require continuous monitoring to prevent the premature failure, of which bearing faults account for most of the causes. The bearings in the rotary equipment tend to suffer fatigue failures during certain conditions such as load variation or electrical discharge.
Shu-Tzu Chang +3 more
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Lifetime popularity prediction for online videos
2014 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting, 2014The popularity of online content is unequally distributed. It has been observed that the top 20% most popular content account for about 80% of the network traffic. Inspired by the above observation, dynamic broadcast is designed to delivery popular content over broadcast networks to reduce the load of broadband network.
Zhiyi Tan 0003 +3 more
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Application of stochastic filtering for lifetime prediction
Reliability Engineering & System Safety, 2006This paper introduces a stochastic filtering modeling approach for predicting the remaining lifetime of a component based on information on the stochastic degradation process and uncertain condition monitoring measurements. The model is illustrated by a case study, where the degradation is assumed to be a simplified fatigue crack growth process.
Pulkkinen, Urho +3 more
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Predicting the Lifetime of Steel
2006Even today, lifetime predictions of construction parts are still based on the Wohler method, which is almost 150 years old. To construct a reliable Wohler diagram, it is necessary to perform alternating load fatigue experiments on a huge number of equivalent samples for up to 108 or 109 load cycles.
Matz Haaks, Karl Maier
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Lifetime prediction and design
Materials Science and Technology, 1986Etude des mecanismes de defaillances d'une aube de turbine en vue d'en augmenter la duree de ...
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