PARTICLE METHODS FOR MULTI SCALE AND MULTI PHYSICS

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Particle Methods For Multi Scale And Multi Physics

Author : M B Liu
ISBN : 9789814571715
Genre : Mathematics
File Size : 28.57 MB
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Multi-scale and multi-physics modeling is useful and important for all areas in engineering and sciences. Particle Methods for Multi-Scale and Multi-Physics systematically addresses some major particle methods for modeling multi-scale and multi-physical problems in engineering and sciences. It contains different particle methods from atomistic scales to continuum scales, with emphasis on molecular dynamics (MD), dissipative particle dynamics (DPD) and smoothed particle hydrodynamics (SPH). This book covers the theoretical background, numerical techniques and many interesting applications of the particle methods discussed in this text, especially in: micro-fluidics and bio-fluidics (e.g., micro drop dynamics, movement and suspension of macro-molecules, cell deformation and migration); environmental and geophysical flows (e.g., saturated and unsaturated flows in porous media and fractures); and free surface flows with possible interacting solid objects (e.g., wave impact, liquid sloshing, water entry and exit, oil spill and boom movement). The presented methodologies, techniques and example applications will benefit students, researchers and professionals in computational engineering and sciences. Contents:IntroductionMolecular DynamicsDissipative Particle Dynamics — MethodologyDissipative Particle Dynamics — ApplicationsSmoothed Particle Hydrodynamics — MethodologySmoothed Particle Hydrodynamics — ApplicationsThree Typical Particle Methods Readership: Undergraduates, graduates, researchers, and professionals studying/dealing with fluid mechanics, numerical analysis and computational mathematics, engineering mechanics, ocean engineering, mechanical engineering. Key Features:The authors have many years of experience in meshfree and particle methods, and are renowned scientists in related areas, with highly cited publications. This can greatly attracts fellow researchers from all around the world to probe the latest development on current major particle methodsThe authors have authored numerous technical publications, and many popular books. They truly understand what the fellow researchers think and wantThe authors have extensive network in academics and research. It is comparatively easy to introduce the book to professional organizations, international conferences, and different academic bodies such as universities and research institutesKeywords:Computer Modeling;Numerical Methods;Meshfree Particle Methods;Smoothed Particle Hydrodynamics;Dissipative Particle Dynamics;Molecular Dynamics
Category: Mathematics

Advances In Multi Physics And Multi Scale Couplings In Geo Environmental Mechanics

Author : Francois Nicot
ISBN : 9780081025963
Genre : Technology & Engineering
File Size : 26.42 MB
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Advances in Multi-Physics and Multi-Scale Couplings in Geo-Environmental Mechanics reunites some of the most recent work from the French research group MeGe GDR (National Research Group on Multiscale and Multiphysics Couplings in Geo-Environmental Mechanics) on the theme of multi-scale and multi-physics modeling of geomaterials, with a special focus on micromechanical aspects. Its offers readers a glimpse into the current state of scientific knowledge in the field, together with the most up-to-date tools and methods of analysis available. Each chapter represents a study with a different viewpoint, alternating between phenomenological/micro-mechanically enriched and purely micromechanical approaches. Throughout the book, contributing authors will highlight advances in geomaterials modeling, while also pointing out practical implications for engineers. Topics discussed include multi-scale modeling of cohesive-less geomaterials, including multi-physical processes, but also the effects of particle breakage, large deformations on the response of the material at the specimen scale and concrete materials, together with clays as cohesive geomaterials. The book concludes by looking at some engineering problems involving larger scales. Identifies contributions in the field of geomechanics Focuses on multi-scale linkages at small scales Presents numerical simulations by discrete elements and tools of homogenization or change of scale
Category: Technology & Engineering

Use Of High Performance Computing In Meteorology

Author : Walter Zwieflhofer
ISBN : 9789814480277
Genre : Computers
File Size : 69.65 MB
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Geosciences and, in particular, numerical weather prediction are demanding the highest levels of available computer power. The European Centre for Medium-Range Weather Forecasts, with its experience in using supercomputers in this field, organizes every other year a workshop bringing together manufacturers, computer scientists, researchers and operational users to share their experiences and to learn about the latest developments. This volume provides an excellent overview of the latest achievements and plans for the use of new parallel techniques in the fields of meteorology, climatology and oceanography. Contents:Early Experiences with the New IBM P690+ at ECMWF (D Salmond & S Saarinen)Operation Status of the Earth Simulator (A Uno)Intel Architecture Based High-Performance Computing Technologies (H Cornelius)4D-Var: Optimisation and Performance on the NEC SX-6 (S Oxley)Establishment of an Efficient Managing System for NWP Operation in CMA (J-K Hu & W-H Shen)The Next-Generation Supercomputer and NWP System of the JMA (M Narita)A Uniform Memory Model for Distributed Data Objects on Parallel Architectures (V Balaji & R W Numrich)and other papers Readership: Academics and researchers specializing in high performance computing, especially meteorological scientists, and supercomputer manufacturers. Keywords:High Performance Computing;Meteorology;Teracomputing;Parallel Processing;Climatology
Category: Computers

Multiphysics And Multiscale Modeling

Author : Young W. Kwon
ISBN : 9781482244595
Genre : Science
File Size : 55.92 MB
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Written to appeal to a wide field of engineers and scientists who work on multiscale and multiphysics analysis, Multiphysics and Multiscale Modeling: Techniques and Applications is dedicated to the many computational techniques and methods used to develop man-made systems as well as understand living systems that exist in nature. Presenting a body of research on multiscale and multiphysics analysis collected by the author over the years, this book provides an assessment of multiple computational techniques that include the finite element method, lattice Boltzmann method, cellular automata, and the molecular dynamics technique. The author also presents a number of example problems relevant to multiphysics and multiscale analyses, and introduces the proper coupling techniques that can be used in conjunction with computational methods to solve a multitude of multiscale and multiphysics problems. In addition, this detailed book: Provides a simplified analysis for crystalline structures using the finite element method and molecular dynamics Discusses multiscale analysis of biomaterials using human bones as an example Presents multiphysics problems for composite structures Includes fluidstructure interaction for composite structures surrounded by water Contains an example of the multiphysics analysis of electromechanical problems Introduces a multiphysics analysis of biomechanics using the example of blood vessels (for which there is fluid-structure interaction) Multiphysics and Multiscale Modeling: Techniques and Applications emphasizes the use of multiphysics and multiscale techniques to aid in the understanding and development of complex physical behaviors and systems. This book serves as a resource in mechanical engineering, bioengineering, and materials engineering study, practice, and research.
Category: Science

Meshfree Methods For Partial Differential Equations

Author : Michael Griebel
ISBN : 3540438912
Genre : Mathematics
File Size : 62.11 MB
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Meshfree methods for the solution of partial differential equations gained much attention in recent years, not only in the engineering but also in the mathematics community. One of the reasons for this development is the fact that meshfree discretizations and particle models are often better suited to cope with geometric changes of the domain of interest, e.g. free surfaces and large deformations, than classical discretization techniques such as finite differences, finite elements or finite volumes. Another obvious advantage of meshfree discretizations is their independence of a mesh so that the costs of mesh generation are eliminated. Also, the treatment of time-dependent PDEs from a Lagrangian point of view and the coupling of particle models and continuous models gained enormous interest in recent years from a theoretical as well as from a practial point of view. This volume consists of articles which address the different meshfree methods (SPH, PUM, GFEM, EFGM, RKPM etc.) and their application in applied mathematics, physics and engineering.
Category: Mathematics

Meshfree Particle Methods

Author : Shaofan Li
ISBN : 9783540714712
Genre : Mathematics
File Size : 76.84 MB
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Meshfree Particle Methods is a comprehensive and systematic exposition of particle methods, meshfree Galerkin and partitition of unity methods, molecular dynamics methods, and multiscale methods. Most theories, computational formulations, and simulation results presented are recent developments in meshfree methods. They were either just published recently or even have not been published yet, many of them resulting from the authors ́ own research. The presentation of the technical content is heuristic and explanatory with a balance between mathematical rigor and engineering practice. It can be used as a graduate textbook or a comprehensive source for researchers, providing the state of the art on Meshfree Particle Methods.
Category: Mathematics

Multiscale And Multiphysics Computational Frameworks For Nano And Bio Systems

Author : Hyungjun Kim
ISBN : 1441976019
Genre : Science
File Size : 25.1 MB
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This volume develops multiscale and multiphysics simulation methods to understand nano- and bio-systems by overcoming the limitations of time- and length-scales. Here the key issue is to extend current computational simulation methods to be useful for providing microscopic understanding of complex experimental systems. This thesis discusses the multiscale simulation approaches in nanoscale metal-insulator-metal junction, molecular memory, ionic transport in zeolite systems, dynamics of biomolecules such as lipids, and model lung system. Based on the cases discussed here, the author suggests various systematic strategies to overcome the limitations in time- and length-scales of the traditional monoscale approaches.
Category: Science

Modeling And Simulation Based Life Cycle Engineering

Author : Ken Chong
ISBN : 0415266440
Genre : Architecture
File Size : 65.95 MB
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Advances in computational power have facilitated the development of simulations unprecedented in their computational size, scope of technical issues, spatial and temporal resolution, complexity and comprehensiveness. As a result, complex structures from airplanes to bridges can be almost completely based on model-based simulations. This book gives a state-of-the-art account of modeling and simulation of the life cycle of engineered systems, covering topics of design, fabrication, maintenance and disposal. Providing comprehensive coverage of this rapidly emerging field, Modeling and Simulation-Based Life Cycle Engineering is essential reading for civil, mechanical and manufacturing engineers. It will also appeal to students and academics in this area.
Category: Architecture

Bridging The Time Scales

Author : Peter Nielaba
ISBN : 9783540458371
Genre : Science
File Size : 47.1 MB
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The behaviour of many complex materials extends over time- and lengthscales well beyond those that can normally be described using standard molecular dynamics or Monte Carlo simulation techniques. As progress is coming more through refined simulation methods than from increased computer power, this volume is intended as both an introduction and a review of all relevant modern methods that will shape molecular simulation in the forthcoming decade. Written as a set of tutorial reviews, the book will be of use to specialists and nonspecialists alike.
Category: Science

Principles Of Multiscale Modeling

Author : Weinan E
ISBN : 9781107096547
Genre : Mathematics
File Size : 51.61 MB
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A systematic discussion of the fundamental principles, written by a leading contributor to the field.
Category: Mathematics