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220 articles for “dynamic analysis”
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Research ArticleOpen accessAll words, across the recordDesign Analysis of An Electromagnetic Band Gap Microstrip AntennaM.S. Alam, M.T. Islam, N. MisranProblem statement: Wideband compact antenna is highly demandable due to the dynamic development in the wireless technology. Approach: A simple, compact EBG microstrip antenna is proposed in this study that covers a wideband of 250 GHz and the design is conformal with the 2.45 GHz ISM band (WLAN, IEEE 802.11b and g)/Bluetooth/RFID applications. Results: A 6×6 array of square unit … …American Journal of Applied Sciences, Vol. 8, Issue 12 · 27 Oct 2011 · 7,368 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAnalysis of the Transport Properties of Tyre Fiber Modified ConcreteG. Senthil Kumaran, M. Lakshmipathy, Nurdin MushuleProblem statement: Nowadays, the use of waste tyre in concrete has become technically feasible and the tyre mixed concrete is light weight and called as rubberized concrete. Still the research is going on to explore basic engineering properties such as transport properties viz, acid absorption test, water absorption tests, impact resistance, modulus of elasticity, dynamic modulus and so on. In … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 3 · 30 Sep 2011 · 7,433 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordModeling Malaysia's Energy System: Some Preliminary ResultsAhmad Mohd. YusofProblem statement: The current dynamic and fragile world energy environment necessitates the development of new energy model that solely caters to analyze Malaysia’s energy scenarios. Approach: The model is a network flow model that traces the flow of energy carriers from its sources (import and mining) through some conversion and transformation processes for the production of energy products to final … …American Journal of Applied Sciences, Vol. 8, Issue 9 · 13 Aug 2011 · 7,250 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordA New Engineering Method for Fuzzy Reliability Analysis of Surge Control in Centrifugal CompressorAhmed Hafaifa, Ferhat Laaouad, Moulod GuemanaProblem statement: The surge phenomenon in the centrifugal compressor, the non-linearities and uncertainties of the compression system make it impossible to use a conventional controller over a wide range of operation. Approach: A new dual fuzzy controller for nonlinear model of compression system was proposed in this study. This fuzzy controller was designed that consisted of active surge control and … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 8,224 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordDurability Assessment of Cylinder Block for Two Stroke Free Piston Linear Engine using Random LoadingM. M. Rahman, A. K. Ariffin, S. Abdullah et al.This research presents the durability assessment of cylinder block for a two-stroke free piston engine using narrow band approach. The life prediction results are worthy for improving the component design at the very early developing stage. This approach is adequate for periodic loading, however, requires very large time records to accurately describe random loading processes. Fatigue damage in conventionally determined … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,454 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordOptimization of Barbell Trajectory During The Snatch Lift Technique By Using Optimal Control TheoryShahram Lenjan Nejadian, Mostafa Rostami, Farzad TowhidkhahMathematical modeling and optimizing of snatch lift technique based on dynamic synthesis, is the aim of this study. The barbell trajectory is proposed as the performance index, evaluated experimentally by several researchers who have introduced some optimum trajectories according to the percentage of their owners' successes. Since none of the mechanical parameters were considered into the optimum trajectories, we develop … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,716 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordA Comparative Classification of Aspect Mining ApproachesBounour Nora, Ghoul Said, Atil FadilaIn object oriented paradigm, the implementation of a concern is typically scattered over many locations and tangled with the implementation of other concerns, resulting in a system that is hard to explore and understand. Identifying such code automatically greatly improves both the maintainability and the evolveability of the application. Aspect mining aims to identify crosscutting concerns in existing systems, thereby … …Journal of Computer Science, Vol. 2, Issue 4 · 30 Apr 2006 · 6,774 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordThe Possibility of Cyclical Behavior in a Class of Dynamic ModelsAnjan MukherjiThe study investigates conditions under which endogenous cyclic behavior may be observed within the context of Predator-Prey (Lotka-Volterra) Models. The analysis also establishes conditions under which such behavior is non-existent and hence establishes conditions for global convergence to the interior equilibrium, whenever it exists. The results are then applied to two diverse sets of economic exercises and shows how the … …American Journal of Applied Sciences, Vol. 2, Issue 13 · 9 Dec 2005 · 7,600 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordModeling Load Balancing in Heterogeneous Unstructured P2P SystemsZhi Jun Li, Ming Hong LiaoLoad balancing is a generally concerned problem in peer-to-peer (P2P) systems. Many researches on load balancing in the structured P2P systems have been launched currently, such as Chord or other DHTs. Although the researches on load balancing in unstructured P2P systems are emerged nowadays, the simple mechanisms achieved can only perform effectively in uniform environment. In this study, the influence … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 6,783 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordMinimization of Load Oscillations in Travelling Mechanisms of CranesKamal KhandakjiThe paper presents an analysis of suspended load (cargo) oscillations in traveling mechanisms of cranes. A special control algorithm has been developed in order to get minimum cargo oscillations in minimum transient time. Mathematical model simulating the effect of the suggested control algorithm on cargo oscillations has been developed. Two power electronic circuits applicable for AC drives with three-phase induction … …American Journal of Applied Sciences, Vol. 2, Issue 5 · 31 May 2005 · 6,672 accessesView PDFCite