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Search results for: MAGNETOHYDRODY- NAMICS
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NMIMS Management Review
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DISCRETE DYNAMICS IN NATURE AND SOCIETY
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Transportmetrica B-Transport Dynamics
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Journal of Spatial and Organizational Dynamics
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Dynamics of Partial Differential Equations
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International Journal of Dynamics and Control
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Journal of Applied Nonlinear Dynamics
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Journal of Graphic Novels and Comics
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Nonlinear Dynamics and Systems Theory
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GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
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Journal of Computational and Nonlinear Dynamics
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PROGRESS IN COMPUTATIONAL FLUID DYNAMICS
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Russian Journal of Nonlinear Dynamics
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STUDIES IN NONLINEAR DYNAMICS AND ECONOMETRICS
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THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS
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NONLINEAR DYNAMICS
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mechanical engineering education via projects in multibody dynamics
PublicationPraca prezentuje rozważania nad wykorzystaniem interdyscyplinarnych projektów bazujących na zasadach dynamiki układów wieloczłonowych, traktowanych tu jako rozwinięcie kursu klasycznej mechaniki. Celem dydaktycznym jest zebranie w jednym procesie dydaktycznym takich aspektów jak: możliwość wykorzystania poznanych teoretycznie równań do modelowania i analizy znanego mu obiektu rzeczywistego; umożliwienie formułowania i testowania...
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Monitorowanie systemów wieloagnetowych z uzyciem oprogramowania Nagios
PublicationPrzyjęte rozwiązanie polega na rozszerzeniu Nagios w części dotyczącej jego wtyczek o jedną komendę (parallel_check), która pozwoli wielokrotnie – zamiast jednokrotnie – wykonać zdefiniowany dla elementu program testujący. Dodatkowo wykorzystuje się przy tym fakt, że pole address w definicji hosta nie jest interpretowane, a jedynie przechowywane i udostępniane przez Nagios. Wymienione elementy pozwalają na skonstruowanie warstwy...
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Numerical solution of threshold problems in epidemics and population dynamics
PublicationA new algorithm is proposed for the numerical solution of threshold problems in epidemics and population dynamics. These problems are modeled by the delay-differential equations, where the delay function is unknown and has to be determined from the threshold conditions. The new algorithm is based on embedded pair of continuous Runge–Kutta method of order p = 4 and discrete Runge–Kutta method of order q = 3 which is used for the...
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Towards detecting programmers’ stress on the basis of keystroke dynamics
PublicationThe article describes the idea of detecting stress among programmers on the basis of keystroke dynamics. An experiment with a group of students of artificial intelligence classes was performed. Two samples of keystroke data were recorded for each case, the first while programming without stress, the second under time pressure. A number of timing and frequency parameters were calculated for each sample. Then statistical analysis...
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Investigations on the the dynamics of motor vehicle driving in nighttime conditions
PublicationThe article describes investigations on vehicle driving in nighttime conditions
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Capturing nonexponential dynamics in the presence of two decay channels
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Dynamics of development of the largest cities - Evidence from Poland
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Recognition Dynamics of Cancer Mutations on the ERp57-Tapasin Interface
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A Database Schema for the Analysis of Global Dynamics of Multiparameter Systems
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On the Dynamics of an Enhanced Coaxial Inertial Exciter for Vibratory Machines
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Dynamics of Opposing Polymer Brushes: A Computer Simulation Study
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Influence of magnetic interaction on lattice dynamics of FeBO 3
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Dynamics of ginsenoside biosynthesis in suspension culture of Panax quinquefolium
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Discrepancies of energy values in dynamics of three intersecting plates
PublicationW pracy analizuje się lot konstrukcji powłokowej złożonej z trzech przecinających się powłok. Obciążeniem jest przestrzenny układ sił o zadanym trójkątnym przebiegu w czasie. Po ustaniu obciążenia powłoka doświadcza swobodnego lotu. Celem pracy jest dyskusja różnic wartości energii całkowitej układu w locie swobodnym jakie znane są w literaturze przedmiotu. W pracy przedstawiono także przykład weryfikujący zastosowane algorytmy...
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Two-state dynamics for replicating two-strand systems
PublicationDynamika dwustanowa została zastosowana do opisów układów dwuniciowych, analogicznych do DNA.
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Molecular dynamics simulations of ultraprecision machining of fcc monocrystals
PublicationArtykuł zawiera wyniki wielkoskalowych symulacji dynamiczno-molekularnych ultraprecyzyjnego skrawania monokryształów metali niedeformowalnym narzędziem. Zmiennymi parametrami symulacji były: szybkość i głębokość skrawania, temperatura, orientacja krystalograficzna skrawanego kryształu oraz kształt narzędzia.Analizie poddano zmiany strukturalne w obrabianym materiale.
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Directed electromagnetic pulse dynamics: projecting operators method
PublicationIn this article, we consider a one-dimensional model of electromagnetic pulse propagation in isotropic media, takinginto account a nonlinearity of the third order. We introduce a method for Maxwell's equation transformation on thebasis of a complete set of projecting operators. The operators correspond to wave dispersion branches including thedirection of propagation. As the simplest result of applying the method, we derive a system...
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Dynamics Conscious Approach to Tribometer Design and Tribo-testing
PublicationIn the paper findings are discussed on the issue of dynamic characteristics of a tribometer as a factor influencing the result of the tribological experiment. An advanced approach to tribo-testing is attempted with integrated dynamic analysis of the tribometer and the sliding pair. The fundamental idea is explored of the tribometer being regarded as any machine in which friction is inflicted with all the resulting consequences...
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Molecular dynamics of fentanyl bound to μ-opioid receptor
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Dynamics of Field Line Mappings in Magnetic Flux Tubes
PublicationWe study the topological constraints on the dynamics of magnetic field lines in flux tubes. Our approach is based on the application of the topological invariant: fixed point index. We consider periodic flux tubes and find various restrictions on the field lines that come from the sequence of fixed point indices of iterations. We also analyze the case of a tube with a cylindrical obstacle, deducing some special dynamical properties...
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Dynamics of Chains as a Tool to Study Thermomechanical Properties of Proteins.
PublicationPolymer dynamics can be formulated on different levels of detail. One approach eliminates microscopic degrees of freedom and a polymer molecule is represented by a simplified structure—a chain. In the simplest case monomers of ideal chain have fixed length, and their orientation is independent of the orientations and positions of neighbouring monomers. This is reason that two monomers can co-exist at the same place. Ideal chain...
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Molecular Dynamics simulations of thermal conductivity of penta-graphene
PublicationThe thermal conductivity of penta-graphene (PG), a new two dimensional carbon allotrope and its dependence on temperature, strain, and direction are studied in this paper. The thermal conductivity of PG is investigated using a non-equilibrium molecular dynamics simulation (NEMD) with the Two Region Method by applying the optimized Tersoff interatomic potential. Our study shows that the thermal conductivity of PG (determined for...
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Intelligent monitoring the vertical dynamics of wheeled inspection vehicles
PublicationThe problem of intelligent monitoring of the vertical dynamics of wheeled inspection vehicles is addressed. With the independent MacPherson suspension system installed, the basic analysis focuses on the evaluation of the parameters of the so-called quarter car model. To identify a physically motivated continuous description, in practice, dedicated integral-horizontal filters are used. The obtained discrete model, which retains...
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Power System Dynamics. Stability and Control. 3rd edition
PublicationComprehensive, state-of-the-art review of information on the electric power system dynamics and stability. It places the emphasis first on understanding the underlying physical principles before proceeding to more complex models and algorithms. The book explores the influence of classical sources of energy, wind farms and virtual power plants, power plants inertia and control strategy on power system stability. The book cover...
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Changes of Conformation in Albumin with Temperature by Molecular Dynamics Simulations
PublicationThis work presents the analysis of the conformation of albumin in the temperature range of 300K – 312K, i.e., in the physiological range. Using molecular dynamics simulations, we calculate values of the backbone and dihedral angles for this molecule. We analyze the global dynamic properties of albumin treated as a chain. In this range of temperature, we study parameters of the molecule and the conformational entropy derived from...
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The dynamics of the total output of the fishery sector: The case of Indonesia
PublicationThe purpose of this study is to analyze the dynamics of the total output of the Indonesian fishery industry when the changes of the final demand occur. This study employs a demand-pull Input-Output (IO) quantity model, one of the calculation tools in the IO analysis, as an analysis instrument. Two conditions are noticed in calculation and analysis parts, namely (1) “whole sector change”, and (2) “pure change”. An initial period...
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Periodic and chaotic dynamics in a map‐based neuron model
PublicationMap-based neuron models are an important tool in modeling neural dynamics and sometimes can be considered as an alternative to usually computationally costlier models based on continuous or hybrid dynamical systems. However, due to their discrete nature, rigorous mathematical analysis might be challenging. We study a discrete model of neuronal dynamics introduced by Chialvo in 1995. In particular, we show that its reduced one-dimensional...
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On energy-conserving algorithms in the context of rigid body dynamics.
PublicationPraca dotyczy dynamiki ciała sztywnego. Opracowanie teoretyczne wsparte jest przykładami numerycznymi. Głównym celem artykułu jest opracowanie i analiza algorytmu zachowującego energię, który umożliwia całkowanie równań ruchu ciała sztywnego sformułowanego z uwzględnieniem grupy obrotów SO(3) w definicji jego przestrzeni konfiguracyjnej.
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Hydration of amino acids: FTIR spectra and molecular dynamics studies
PublicationThe hydration of selected amino acids, alanine, glycine, proline, valine, isoleucine and phenylalanine, has been studied in aqueous solutions by means of FTIR spectra of HDO isotopically diluted in H2O. The difference spectra procedure and the chemometric method have been applied to remove the contribution of bulk water and thus to separate the spectra of solute-affected HDO. To support interpretation of obtained spectral results,...
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Structural Control of Photoinduced Dynamics in 4H-Imidazole- Ruthenium Dyes
PublicationThe photoinduced dynamics of a series ofterpyridine 4H-imidazole-ruthenium complexes, which constitutea new family of panchromatic dyes, is investigated. Thedynamics involves two excited states localized within the 4Himidazolesphere. Upon MLCT excitation, an excited state ispopulated, which is localized on the central part of the 4Himidazoleligand caused by its nonplanar conformation. Thepopulation of the second excited state is...
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Using River Formation Dynamics Algorithm in Mobile Robot Navigation
PublicationRiver Formation Dynamics is a heuristic optimization algorithm based on the manner, in which drops of water form the river bed. The idea is to imitate the movement of drops on the edges between given nodes thus performing a search based on their height, which is modified through the mechanism of soil erosion and sediment deposition. In this way decreasing gradients are constructed, and these are followed by subsequent drops to...
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The dynamics of total outputs of Indonesian industrial sectors: A further study
PublicationThe purpose of the current study is to extend the previous studies which analyze the impacts of final demands modifications on the total outputs of industrial sectors of a particular country. More specifically, the study conducts the analysis regarding the impacts on the total outputs of Indonesian industrial sectors. The study employs a demand pull Input-Output (IO) quantity model, one of the calculation instruments in the IO...
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The dynamics of total outputs of Indonesian industrial sectors: A further study
PublicationThe purpose of the current study is to extend the previous studies which analyze the impacts of final demands modifications on the total outputs of industrial sectors of a particular country. More specifically, the study conducts the analysis regarding the impacts on the total outputs of Indonesian industrial sectors. The study employs a demand-pull Input-Output (IO) quantity model, one of the calculation instruments in the IO...