Discrete Continuum Coupling Method To Simulate Highly Dynamic Multi Scale Problems PDF Download
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Author | : Mohamed Jebahi |
Publisher | : John Wiley & Sons |
Total Pages | : 219 |
Release | : 2015-10-02 |
Genre | : Technology & Engineering |
ISBN | : 1119119294 |
Download Discrete-continuum Coupling Method to Simulate Highly Dynamic Multi-scale Problems Book in PDF, ePub and Kindle
Complex behavior models (plasticity, crack, visco-elascticity) are facing several theoretical difficulties in determining the behavior law at the continuous (macroscopic) scale. When homogenization fails to give the right behavior law, a solution is to simulate the material at a mesoscale using the discrete element model (DEM) in order to directly simulate a set of discrete properties that are responsible for the macroscopic behavior. Originally, the discrete element model was developed for granular material. This book, the second in the Discrete Element Model and Simulation of Continuous Materials Behavior set of books, shows how to choose the adequate coupling parameters to avoid spurious wave reflection and to allow the passage of all the dynamic information both from the fine to the coarse model and vice versa. The authors demonstrate the coupling method to simulate a highly nonlinear dynamical problem: the laser shock processing of silica glass.
Author | : Mohamed Jebahi |
Publisher | : John Wiley & Sons |
Total Pages | : 216 |
Release | : 2015-11-09 |
Genre | : Technology & Engineering |
ISBN | : 1848217714 |
Download Discrete-continuum Coupling Method to Simulate Highly Dynamic Multi-scale Problems Book in PDF, ePub and Kindle
Complex behavior models (plasticity, crack, visco-elascticity) are facing several theoretical difficulties in determining the behavior law at the continuous (macroscopic) scale. When homogenization fails to give the right behavior law, a solution is to simulate the material at a mesoscale using the discrete element model (DEM) in order to directly simulate a set of discrete properties that are responsible for the macroscopic behavior. Originally, the discrete element model was developed for granular material. This book, the second in the Discrete Element Model and Simulation of Continuous Materials Behavior set of books, shows how to choose the adequate coupling parameters to avoid spurious wave reflection and to allow the passage of all the dynamic information both from the fine to the coarse model and vice versa. The authors demonstrate the coupling method to simulate a highly nonlinear dynamical problem: the laser shock processing of silica glass.
Author | : Francis Piriou |
Publisher | : John Wiley & Sons |
Total Pages | : 243 |
Release | : 2024-02-23 |
Genre | : Science |
ISBN | : 1394276478 |
Download Finite Element Method to Model Electromagnetic Systems in Low Frequency Book in PDF, ePub and Kindle
Numerical modeling now plays a central role in the design and study of electromagnetic systems. In the field of devices operating in low frequency, it is the finite element method that has come to the fore in recent decades. Today, it is widely used by engineers and researchers in industry, as well as in research centers. This book describes in detail all the steps required to discretize Maxwell’s equations using the finite element method. This involves progressing from the basic equations in the continuous domain to equations in the discrete domain that are solved by a computer. This approach is carried out with a constant focus on maintaining a link between physics, i.e. the properties of electromagnetic fields, and numerical analysis. Numerous academic examples, which are used throughout the various stages of model construction, help to clarify the developments.
Author | : Weihong Zhang |
Publisher | : John Wiley & Sons |
Total Pages | : 272 |
Release | : 2016-06-15 |
Genre | : Mathematics |
ISBN | : 1119262909 |
Download Milling Simulation Book in PDF, ePub and Kindle
Reliable scheduling in cutting conditions is very important in machining processes, and this requires thorough understanding of the physical behaviors of the machining process, which cannot be achieved without understanding the underlying mechanism of the processes. The book describes the mechanics and dynamics together with the clamping principles in milling processes, and can be used as a guideline for graduate students and research engineers who wish to be effective manufacture engineers and researchers. Many books have focused on common principles, which are suitable for general machining processes, e.g., milling, turning and drilling, etc. This book specifically aims at exploring the mechanics and dynamics of milling processes. Original theoretical derivations and new observations on static cutting force models, dynamic stability models and clamping principles associated with milling processes are classified and detailed. The book is indented as a text for graduate students and machining engineers who wish to intensively learn milling mechanism and machine tool vibration.
Author | : Paul Louis George |
Publisher | : John Wiley & Sons |
Total Pages | : 352 |
Release | : 2020-11-04 |
Genre | : Mathematics |
ISBN | : 1119788064 |
Download Meshing, Geometric Modeling and Numerical Simulation 3 Book in PDF, ePub and Kindle
Triangulations, and more precisely meshes, are at the heart of many problems relating to a wide variety of scientific disciplines, and in particular numerical simulations of all kinds of physical phenomena. In Volume 1, the theoretical foundations relating to triangulations, finite element shape functions and their interpretations as geometric patches were explored. This has made it possible to build tools that make the geometric modeling of any object possible. These elements are used in Volume 2 to treat meshing problems in their different implementations. Meshing, Geometric Modeling and Numerical Simulation 3 offers technical additions to the methods seen in the first two volumes and a significant portion of this book is dedicated to mesh visualization problems and solutions, especially those with a high degree of complexity.
Author | : |
Publisher | : |
Total Pages | : 938 |
Release | : 2008 |
Genre | : Physics |
ISBN | : |
Download Canadian Journal of Physics Book in PDF, ePub and Kindle
Author | : Weinan E |
Publisher | : Cambridge University Press |
Total Pages | : 485 |
Release | : 2011-07-07 |
Genre | : Mathematics |
ISBN | : 1107096545 |
Download Principles of Multiscale Modeling Book in PDF, ePub and Kindle
A systematic discussion of the fundamental principles, written by a leading contributor to the field.
Author | : Tomasz Sadowski |
Publisher | : Springer |
Total Pages | : 285 |
Release | : 2014-10-14 |
Genre | : Science |
ISBN | : 3709118123 |
Download Multiscale Modeling of Complex Materials Book in PDF, ePub and Kindle
The papers in this volume deal with materials science, theoretical mechanics and experimental and computational techniques at multiple scales, providing a sound base and a framework for many applications which are hitherto treated in a phenomenological sense. The basic principles are formulated of multiscale modeling strategies towards modern complex multiphase materials subjected to various types of mechanical, thermal loadings and environmental effects. The focus is on problems where mechanics is highly coupled with other concurrent physical phenomena. Attention is also focused on the historical origins of multiscale modeling and foundations of continuum mechanics currently adopted to model non-classical continua with substructure, for which internal length scales play a crucial role.
Author | : René de Borst |
Publisher | : Springer Science & Business Media |
Total Pages | : 451 |
Release | : 2010-10-09 |
Genre | : Computers |
ISBN | : 9048198097 |
Download Multiscale Methods in Computational Mechanics Book in PDF, ePub and Kindle
This work gives a modern, up-to-date account of recent developments in computational multiscale mechanics. Both upscaling and concurrent computing methodologies will be addressed for a range of application areas in computational solid and fluid mechanics: Scale transitions in materials, turbulence in fluid-structure interaction problems, multiscale/multilevel optimization, multiscale poromechanics. A Dutch-German research group that consists of qualified and well-known researchers in the field has worked for six years on the topic of computational multiscale mechanics. This text provides a unique opportunity to consolidate and disseminate the knowledge gained in this project. The addition of chapters written by experts outside this working group provides a broad and multifaceted view of this rapidly evolving field.
Author | : Jacob Fish |
Publisher | : Oxford University Press |
Total Pages | : 631 |
Release | : 2010 |
Genre | : Mathematics |
ISBN | : 0199233853 |
Download Multiscale Methods Book in PDF, ePub and Kindle
Small scale features and processes occurring at nanometer and femtosecond scales have a profound impact on what happens at a larger scale and over an extensive period of time. The primary objective of this volume is to reflect the state-of-the-art in multiscale mathematics, modeling, and simulations and to address the following barriers: What is the information that needs to be transferred from one model or scale to another and what physical principles must be satisfied during thetransfer of information? What are the optimal ways to achieve such transfer of information? How can variability of physical parameters at multiple scales be quantified and how can it be accounted for to ensure design robustness?The multiscale approaches in space and time presented in this volume are grouped into two main categories: information-passing and concurrent. In the concurrent approaches various scales are simultaneously resolved, whereas in the information-passing methods the fine scale is modeled and its gross response is infused into the continuum scale. The issue of reliability of multiscale modeling and simulation tools which focus on a hierarchy of multiscale models and an a posteriori model of errorestimation including uncertainty quantification, is discussed in several chapters. Component software that can be effectively combined to address a wide range of multiscale simulations is also described. Applications range from advanced materials to nanoelectromechanical systems (NEMS), biologicalsystems, and nanoporous catalysts where physical phenomena operates across 12 orders of magnitude in time scales and 10 orders of magnitude in spatial scales.This volume is a valuable reference book for scientists, engineers and graduate students practicing in traditional engineering and science disciplines as well as in emerging fields of nanotechnology, biotechnology, microelectronics and energy.