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Institution

Air Force Institute of Technology

EducationDayton, Ohio, United States
About: Air Force Institute of Technology is a education organization based out in Dayton, Ohio, United States. It is known for research contribution in the topics: Laser & Finite element method. The organization has 5094 authors who have published 8795 publications receiving 140414 citations.


Papers
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Journal ArticleDOI
TL;DR: In this article, the authors established a link between molecular theories that predict the macroscopic behavior of certain viscoelastic media and an empirically developed fractional calculus approach to visco-elasticity.
Abstract: This article establishes a link between molecular theories that predict the macroscopic behavior of certain viscoelastic media and an empirically developed fractional calculus approach to viscoelasticity. The molecular theory addresses the viscoelastic properties of polymer solids with no crosslinking. It is shown that the results of these molecular theories are equivalent to constitutive relationships written in terms of the fractional calculus. Such relationships, developed previously from an empirical base, have been shown to be useful tools for engineering analyses. The establishment of a theoretical basis for these new constitutive relationships enhances their value, as they may now be used with increased confidence.

1,633 citations

Journal ArticleDOI
TL;DR: In this paper, the authors investigated age differences in individual adoption and sustained usage of technology in the workplace using the theory of planned behavior and found that younger workers' technology usage decisions were more strongly influenced by attitude toward using the technology.
Abstract: This research investigated age differences in individual adoption and sustained usage of technology in the workplace using the theory of planned behavior. User reactions and technology usage behavior were studied over a 5-month period among 118 workers being introduced to a new software system. At 2 points of measurement, compared to older workers, younger workers' technology usage decisions were more strongly influenced by attitude toward using the technology. In contrast, older workers were more strongly influenced by subjective norm and perceived behavioral control, although the effect of subjective norm diminished over time. These findings were robust, even after controlling for key confounding variables identified in prior organizational behavior research (i.e., income, occupation, and education levels). Theoretical and practical implications for understanding the effects of aging on technology adoption and usage in the workplace are discussed.

1,532 citations

Journal ArticleDOI
TL;DR: The intent is to rigorously define multiobjective optimization problems and certain related concepts, present an MOEA classification scheme, and evaluate the variety of contemporary MOEAs.
Abstract: Solving optimization problems with multiple (often conflicting) objectives is, generally, a very difficult goal. Evolutionary algorithms (EAs) were initially extended and applied during the mid-eighties in an attempt to stochastically solve problems of this generic class. During the past decade, a variety of multiobjective EA (MOEA) techniques have been proposed and applied to many scientific and engineering applications. Our discussion's intent is to rigorously define multiobjective optimization problems and certain related concepts, present an MOEA classification scheme, and evaluate the variety of contemporary MOEAs. Current MOEA theoretical developments are evaluated; specific topics addressed include fitness functions, Pareto ranking, niching, fitness sharing, mating restriction, and secondary populations. Since the development and application of MOEAs is a dynamic and rapidly growing activity, we focus on key analytical insights based upon critical MOEA evaluation of current research and applications. Recommended MOEA designs are presented, along with conclusions and recommendations for future work.

1,241 citations

Journal ArticleDOI
TL;DR: Findings were robust across income, organization position, education, and computer self-efficacy levels, thus fortifying the lasting influence of gender-based early evaluations of the new technology.

1,150 citations

Journal ArticleDOI
TL;DR: The authors propose des relations constitutives generalisees for les materiaux viscoelastiques dans lesquelles les derivees d'ordre entier par rapport au temps sont remplacees par des derivees de ordre fractionnaire.
Abstract: On propose des relations constitutives generalisees pour les materiaux viscoelastiques dans lesquelles les derivees d'ordre entier par rapport au temps sont remplacees par des derivees d'ordre fractionnaire. De tels modeles decrivent bien le comportement des materiaux reels

1,070 citations


Authors

Showing all 5137 results

NameH-indexPapersCitations
Richard O. Day8668536809
Perry L. McCarty7925226974
Weng Cho Chew7892532566
Xiang-Gen Xia7274420563
Steven M. Gorelick6116011632
Frank R. Noyes5812615962
A. A. Bickley5818113557
G. P. Peterson5829512461
Michael Nastasi5552715615
Oren Cohen512699414
Stanley E. Fawcett5116811860
Victor M. Bright473018109
Heung Soo Kim4637210036
Shankar Mall452816712
Charles Audet432118000
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20235
202261
2021327
2020406
2019399
2018384