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Collective Dynamics Of Particles
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Book Synopsis Collective Dynamics of Particles by : Cristian Marchioli
Download or read book Collective Dynamics of Particles written by Cristian Marchioli and published by Springer. This book was released on 2017-02-21 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book surveys the state-of-the-art methods that are currently available to model and simulate the presence of rigid particles in a fluid flow. For particles that are very small relative to the characteristic flow scales and move without interaction with other particles, effective equations of motion for particle tracking are formulated and applied (e.g. in gas-solid flows). For larger particles, for particles in liquid-solid flows and for particles that interact with each other or possibly modify the overall flow detailed model are presented. Special attention is given to the description of the approximate force coupling method (FCM) as a more general treatment for small particles, and derivations in the context of low Reynolds numbers for the particle motion as well as application at finite Reynolds numbers are provided. Other topics discussed in the book are the relation to higher resolution immersed boundary methods, possible extensions to non-spherical particles and examples of applications of such methods to dispersed multiphase flows.
Book Synopsis Brownian Agents and Active Particles by : Frank Schweitzer
Download or read book Brownian Agents and Active Particles written by Frank Schweitzer and published by Springer Science & Business Media. This book was released on 2007-08-31 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book lays out a vision for a coherent framework for understanding complex systems. By developing the genuine idea of Brownian agents, the author combines concepts from informatics, such as multiagent systems, with approaches of statistical many-particle physics. It demonstrates that Brownian agent models can be successfully applied in many different contexts, ranging from physicochemical pattern formation to swarming in biological systems.
Book Synopsis Collective Dynamics in Dispersions of Anisotropic and Deformable Particles by : David Saintillan
Download or read book Collective Dynamics in Dispersions of Anisotropic and Deformable Particles written by David Saintillan and published by . This book was released on 2006 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Collective Dynamics of Interacting Particles by : Jan Peszek (matematyka)
Download or read book Collective Dynamics of Interacting Particles written by Jan Peszek (matematyka) and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: alignment, flocking, singular kernel, singular potential, kinetic equation, non-Newtonian fluid.
Book Synopsis Collective Dynamics from Bacteria to Crowds by : Adrian Muntean
Download or read book Collective Dynamics from Bacteria to Crowds written by Adrian Muntean and published by Springer Science & Business Media. This book was released on 2014-03-18 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiscale models in social applications combine mean-field and kinetic equations with either microscopic or macroscopic level descriptions. In this book the reader will find not only a wide spectrum of multiscale analysis results (like convergence proofs), but also practically important information such as derivations of mean-field equations, methods to handle hard contacts numerically, to model group behavior, to quantitative estimate microscopic/macroscopic segregation of competing species, to quantitative understand the limits of validity of mass-action kinetics for simple reactions.
Book Synopsis The Collective Dynamics of Self-propelled Particles in Confining Environments by : Elliot James Marsden
Download or read book The Collective Dynamics of Self-propelled Particles in Confining Environments written by Elliot James Marsden and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Brownian Agents and Active Particles by : Frank Schweitzer
Download or read book Brownian Agents and Active Particles written by Frank Schweitzer and published by Springer. This book was released on 2007-08-29 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book lays out a vision for a coherent framework for understanding complex systems. By developing the genuine idea of Brownian agents, the author combines concepts from informatics, such as multiagent systems, with approaches of statistical many-particle physics. It demonstrates that Brownian agent models can be successfully applied in many different contexts, ranging from physicochemical pattern formation to swarming in biological systems.
Book Synopsis Active Motion and Swarming by : Pawel Romanczuk
Download or read book Active Motion and Swarming written by Pawel Romanczuk and published by Logos Verlag Berlin GmbH. This book was released on 2011 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, there has been an increasing focus on various biological and physical systems known as "active matter". Examples of such systems range from individual units, such as motile cells or artificial self-propelled particles, to large systems of interacting active particles or individuals. The emergence of large-scale collective motion, as exhibited by flocks of birds or bacterial colonies, is just one prominent and fascinating example of self-organization in active matter systems. In this work, we discuss different individual-based models of active matter using the concept of active Brownian motion. The first part of this work explores the dynamical behavior of single active particles with a particular emphasis on the impact of so-called active fluctuations. The second part extends the scope of this study to interacting active Brownian particles and their collective behavior. First, a systematic derivation of kinetic equations for active Brownian particles with velocity alignment is presented. Further on, motivated by recent biological observations, a new type of "escape-pursuit" model of collective motion is introduced and successfully employed in modeling collective locust behavior.
Book Synopsis Collective Dynamics of Laterally Confined Active Particles Near Fluid-Fluid Interfaces by : Irina Kistner
Download or read book Collective Dynamics of Laterally Confined Active Particles Near Fluid-Fluid Interfaces written by Irina Kistner and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Order and Fluctuations in Collective Dynamics of Swimming Bacteria by : Daiki Nishiguchi
Download or read book Order and Fluctuations in Collective Dynamics of Swimming Bacteria written by Daiki Nishiguchi and published by Springer Nature. This book was released on 2020-01-31 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on experimental studies on collective motion using swimming bacteria as model active-matter systems. It offers comprehensive reviews of state-of-the-art theories and experiments on collective motion from the viewpoint of nonequilibrium statistical physics. The author presents his experimental studies on two major classes of collective motion that had been well studied theoretically. Firstly, swimming filamentous bacteria in a thin fluid layer are shown to exhibit true, long-range orientational order and anomalously strong giant density fluctuations, which are considered universal and landmark signatures of collective motion by many numerical and theoretical works but have never been observed in real systems. Secondly, chaotic bacterial turbulence in a three-dimensional dense suspension without any long-range order as described in the first half is demonstrated to be capable of achieving antiferromagnetic vortex order by imposing a small number of constraints with appropriate periodicity. The experimental results presented significantly advance our fundamental understanding of order and fluctuations in collective motion of motile elements and their future applications.
Book Synopsis Dynamics and Analysis of Alignment Models of Collective Behavior by : Roman Shvydkoy
Download or read book Dynamics and Analysis of Alignment Models of Collective Behavior written by Roman Shvydkoy and published by Springer Nature. This book was released on 2021-05-13 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces a class of alignment models based on the so-called Cucker-Smale system as well as its kinetic and hydrodynamic counterparts. Cutting edge research in the area of collective behavior is presented, including emerging techniques from fluid mechanics, fractional analysis, and kinetic theory. Analytical aspects are highlighted throughout, such as regularity theory and long time behavior of solutions. Featuring open problems, readers will be motivated to apply these breakthrough methods to future research. The chapters offer an overview of state of the art research with introductions to core concepts. Chapter One introduces the central focus of the book: The agent-based Cucker-Smale system. Further agent-based systems and alignment systems are covered in chapters Two and Three. Following this are chapters covering the kinetic and hydrodynamic variants of the Cucker-Smale system. The core well-posedness theory of both smooth and singular models is then presented. Chapter Eight discusses the fully developed one-dimensional theory. The final chapter presents some of the known partial results concerning the regularity of multidimensional Euler Alignment systems. Dynamics and Analysis of Alignment Models of Collective Behavior is ideal for graduate students and researchers studying PDEs, especially those interested in the active areas of collective behavior and alignment models.
Book Synopsis Collective Dynamics of Nonlinear and Disordered Systems by : Günter Radons
Download or read book Collective Dynamics of Nonlinear and Disordered Systems written by Günter Radons and published by Springer Science & Business Media. This book was released on 2005-01-12 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase transitions in disordered systems and related dynamical phenomena are a topic of intrinsically high interest in theoretical and experimental physics. This book presents a unified view, adopting concepts from each of the disjoint fields of disordered systems and nonlinear dynamics. Special attention is paid to the glass transition, from both experimental and theoretical viewpoints, to modern concepts of pattern formation, and to the application of the concepts of dynamical systems for understanding equilibrium and nonequilibrium properties of fluids and solids. The content is accessible to graduate students, but will also be of benefit to specialists, since the presentation extends as far as the topics of ongoing research work.
Book Synopsis Collective Dynamics of Matter with Granularity by : Nicholas Grey Gravish
Download or read book Collective Dynamics of Matter with Granularity written by Nicholas Grey Gravish and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Granular materials are abundant in the natural and industrial environment. Typical granular materials are collections of inert, passive particles in which the constituent grains of the material are macroscopic; thus they fill space, are athermal, and interact through only local contact forces. This definition can be broadened to include non-inert particles as well-active particles-in which the grains of an active granular material possess an internal energy source which drives motion. Active granular materials are found in many areas of the biological world, from cattle stampedes and pedestrian traffic flow, to the subterranean world of ant colonies and their collective motion within the nest. We study the rheology and dynamics of inert granular material, and an active granular system of collections of fire-ants, which together we call matter with granularity. In both of these systems we observe bifurcations in the force and flow dynamics which results from confinement effects of the effectively rigid granular materials. In inert granular systems, the onset of flow among particles that are closely packed together causes them to dilate as particles must separate away from each other to accommodate flow. Dilation is a property unique to matter with granularity and other complex fluids in which particles interact locally and occupy space. We explore how dilation influences the inert granular system in situations of local and global forcing: drag of an immersed intruder and avalanche flow respectively. We next study collections of fire ants which also interact with each other locally through contact forces and exclude volume. We study the construction of, and locomotion within subterranean tunnels by groups of fire ants. We find that the traffic dynamics of ants within confined tunnels are significantly affected by tunnel diameter. Reducing tunnel diameter increases the formation of traffic jams due to the inability of ants to pass each other easily. However, we show that jamming within tunnels may have beneficial effects on subterranean locomotion. Individual ants jam there bodies against the walls of vertical tunnels to resist falling. From physics studies of fire ant mobility in confined spaces, we show that subterranean tunnel size has a significant effect on the stability and mobility of ants within these environments.
Book Synopsis Granular Leidenfrost Effect in Microgravity and Collective Dynamics of Active Granular Particles by : Harol Torres Menéndez
Download or read book Granular Leidenfrost Effect in Microgravity and Collective Dynamics of Active Granular Particles written by Harol Torres Menéndez and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particles in Contact by : Sergiy Antonyuk
Download or read book Particles in Contact written by Sergiy Antonyuk and published by Springer. This book was released on 2019-07-31 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the latest scientific findings in the area of granular materials, their physical fundamentals and applications in particle technology focused on the description of interactions of fine adhesive particles.In collaboration between physicists, chemists, mathematicians and mechanics and process engineers from 24 universities, new theories and methods for multiscale modeling and reliable measurement of particles are developed, with a focus on:• Basic physical-chemical processes in the contact zone: particle-particle and particle-wall contacts,• Particle collisions and their dynamics• Constitutive material laws for particle systems on the macro level.
Book Synopsis Behavior-dependent Critical Dynamics in Collective States of Active Particles by : Robert C. Löffler
Download or read book Behavior-dependent Critical Dynamics in Collective States of Active Particles written by Robert C. Löffler and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mathematical Modeling of Collective Behavior in Socio-Economic and Life Sciences by : Giovanni Naldi
Download or read book Mathematical Modeling of Collective Behavior in Socio-Economic and Life Sciences written by Giovanni Naldi and published by Springer Science & Business Media. This book was released on 2010-08-12 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using examples from finance and modern warfare to the flocking of birds and the swarming of bacteria, the collected research in this volume demonstrates the common methodological approaches and tools for modeling and simulating collective behavior. The topics presented point toward new and challenging frontiers of applied mathematics, making the volume a useful reference text for applied mathematicians, physicists, biologists, and economists involved in the modeling of socio-economic systems.
