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Languages : en
Pages : 7
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Book Description
The rapid growth in the power of large-scale computers has had a revolutionary effect on the study of charged-particle accelerators that is similar to the impact of smaller computers on everyday life. Before an accelerator is built, it is now the absolute rule to simulate every component and subsystem by computer to establish modes of operation and tolerances. We will bypass the important and fruitful areas of control and operation and consider only application to design and diagnostic interpretation. Applications of computers can be divided into separate categories including: component design, system design, stability studies, cost optimization, and operating condition simulation. For the purposes of this report, we will choose a few examples taken from the above categories to illustrate the methods and we will discuss the significance of the work to the project, and also briefly discuss the accelerator project itself. The examples that will be discussed are: (1) the tracking analysis done for the main ring of the Superconducting Supercollider, which contributed to the analysis which ultimately resulted in changing the dipole coil diameter to 5 cm from the earlier design for a 4-cm coil-diameter dipole magnet; (2) the design of accelerator structures for electron-positron linear colliders and circular colliding beam systems (B-factories); (3) simulation of the wake fields from multibunch electron beams for linear colliders; and (4) particle-in-cell simulation of space-charge dominated beams for an experimental liner induction accelerator for Heavy Ion Fusion. 8 refs., 9 figs.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
The rapid growth in the power of large-scale computers has had a revolutionary effect on the study of charged-particle accelerators that is similar to the impact of smaller computers on everyday life. Before an accelerator is built, it is now the absolute rule to simulate every component and subsystem by computer to establish modes of operation and tolerances. We will bypass the important and fruitful areas of control and operation and consider only application to design and diagnostic interpretation. Applications of computers can be divided into separate categories including: component design, system design, stability studies, cost optimization, and operating condition simulation. For the purposes of this report, we will choose a few examples taken from the above categories to illustrate the methods and we will discuss the significance of the work to the project, and also briefly discuss the accelerator project itself. The examples that will be discussed are: (1) the tracking analysis done for the main ring of the Superconducting Supercollider, which contributed to the analysis which ultimately resulted in changing the dipole coil diameter to 5 cm from the earlier design for a 4-cm coil-diameter dipole magnet; (2) the design of accelerator structures for electron-positron linear colliders and circular colliding beam systems (B-factories); (3) simulation of the wake fields from multibunch electron beams for linear colliders; and (4) particle-in-cell simulation of space-charge dominated beams for an experimental liner induction accelerator for Heavy Ion Fusion. 8 refs., 9 figs.
Author: J. Bisognano
Publisher: A I P Press
ISBN:
Category : Science
Languages : en
Pages : 440
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Book Description
Annotation Proceedings of the September 1996 Computational Accelerator Physics Conference held in Williamsburg, Virginia, highlighting developments in electromagnetic and PIC simulation, particle tracking and beam transport, simulations for control systems, new computer techniques and environments, scripting languages and their role in building programmable application software, and high-performance computing. Specific topics include an object model for beamline descriptions, a particle beam optics interactive computer laboratory, and space charge effects with periodic focusing. No index. Annotation c. by Book News, Inc., Portland, Or.
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Category :
Languages : en
Pages : 10
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Book Description
The development and optimization of particle accelerators are essential for advancing our understanding of the properties of matter, energy, space and time. Particle accelerators are complex devices whose behavior involves many physical effects on multiple scales. Therefore, advanced computational tools utilizing high-performance computing (HPC) are essential for accurately modeling them. In the past decade, the DOE SciDAC program has produced such accelerator-modeling tools, which have beem employed to tackle some of the most difficult accelerator science problems. In this article we discuss the Synergia beam-dynamics framework and its applications to high-intensity particle accelerator physics. Synergia is an accelerator simulation package capable of handling the entire spectrum of beam dynamics simulations. We present the design principles, key physical and numerical models in Synergia and its performance on HPC platforms. Finally, we present the results of Synergia applications for the Fermilab proton source upgrade, known as the Proton Improvement Plan (PIP).
Author: John Colonias
Publisher: Elsevier
ISBN: 0323155979
Category : Science
Languages : en
Pages : 321
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Book Description
Particle Accelerator Design: Computer Programs describes some of the most important computer programs applicable to the design of particle accelerators. Computer programs that calculate magnetic and electric fields are considered, along with programs that calculate orbits of particles in a magnetic and/or electric field. Some representative programs useful in the design of linear accelerator-type cavities are also discussed. This book is comprised of six chapters and begins with a review of two-dimensional magnetostatic programs, including TRIM, LINDA, NUTCRACKER, MAREC, GRACY, and COILS. The University of Colorado's magnet program is also examined. The next chapter is devoted to programs capable of solving problems relating to the calculation of electrostatic fields in two-dimensional geometries. The reader is also introduced to programs that perform calculations of three-dimensional linear and nonlinear problems, along with programs that employ matrix formalism and integration of equations of motion. The final chapter looks at programs for linear accelerator-type cavities, including CURE, JESSY, MESSYMESH, and AZTEC. This monograph will be a useful resource for physical scientists, engineers, and computer programmers.
Author: Idoia Cortes Garcia
Publisher: Springer Nature
ISBN: 3030632733
Category : Technology & Engineering
Languages : en
Pages : 171
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Book Description
This book deals with the analysis and development of numerical methods for the time-domain analysis of multiphysical effects in superconducting circuits of particle accelerator magnets. An important challenge is the simulation of “quenching”, i.e. the transition of a material from the superconducting to the normally electrically conductive state. The book analyses complex mathematical structures and presents models to simulate such quenching events in the context of generalized circuit elements. Furthermore, it proposes efficient parallelized algorithms with guaranteed convergence properties for the simulation of multiphysical problems. Spanning from theoretical concepts to applied research, and featuring rigorous mathematical presentations on one side, as well as simplified explanations of many complex issues, on the other side, this book provides graduate students and researchers with a comprehensive introduction on the state of the art and a source of inspiration for future research. Moreover, the proposed concepts and methods can be extended to the simulation of multiphysical phenomena in different application contexts.
Author: Valery D. Shemelin
Publisher: Springer Nature
ISBN: 3030481980
Category : Science
Languages : en
Pages : 145
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Book Description
This book is written by two world-recognized experts in radio frequency (RF) systems for particle accelerators and is based on many years of experience in dealing with the multipactor phenomenon. The authors introduce and review multipactor in RF cavities for scientists and engineers working in the field of accelerator physics and technology. The multipactor phenomenon of unintended electron avalanches occurs in the RF cavities commonly and quite often is a performance-limiting factor. The book starts with an Introductory Overview which contains historical observations and brief description of most common aspects of the phenomenon. Part I deals with the multipactor in a flat gap. It starts with description of the dynamics of electrons, derivation of the stability condition and analyzing influence of several factors on the multipactor. Then, the initial considerations are extended to derive a generalized phase stability and finally a particular case, called ping-pong multipacting, is considered. The part one is concluded with a brief review of computer codes used in multipactor simulations. Part II is dedicated to the multipactor in crossed RF fields, the typical situation in accelerating cavities. Two cases of MP are considered: a two-point multipactor near the cavity equator in elliptical cavities and a one-point multipactor. Part III describes optimization of the cavity shapes geared toward designing multipactor-free structures. The book will serve as an importance reference on multipactor for those involved in developing and operating radio frequency cavities for particle accelerators.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Book Description
The rapid growth in the power of large-scale computers has had a revolutionary effect on the study of charged-particle accelerators that is similar to the impact of smaller computers on everyday life. Before an accelerator is built, it is now the absolute rule to simulate every component and subsystem by computer to establish modes of operation and tolerances. We will bypass the important and fruitful areas of control and operation, and consider only application to design and diagnostic interpretation. Applications of computers can be divided into separate categories including: component design, system design, stability studies, cost optimization, and operating condition simulation. For the purposes of this report, we will choose a few examples from the above categories to illustrate the methods used, and discuss the significance of the work to the project. We also briefly discuss the accelerator project itself. The examples that will be discussed are: The design of accelerator structures for electron-positron linear colliders and circular colliding beam systems, simulation of the wake fields from multibunch electron beams for linear colliders. Particle-in-cell simulation of space-charge dominated beams for an experimental linear induction accelerator for Heavy Ion Fusion.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
SciDAC1, with its support for the 'Advanced Computing for 21st Century Accelerator Science and Technology' (AST) project, witnessed dramatic advances in electromagnetic (EM) simulations for the design and optimization of important accelerators across the Office of Science. In SciDAC2, EM simulations continue to play an important role in the 'Community Petascale Project for Accelerator Science and Simulation' (ComPASS), through close collaborations with SciDAC CETs/Institutes in computational science. Existing codes will be improved and new multi-physics tools will be developed to model large accelerator systems with unprecedented realism and high accuracy using computing resources at petascale. These tools aim at targeting the most challenging problems facing the ComPASS project. Supported by advances in computational science research, they have been successfully applied to the International Linear Collider (ILC) and the Large Hadron Collider (LHC) in High Energy Physics (HEP), the JLab 12-GeV Upgrade in Nuclear Physics (NP), as well as the Spallation Neutron Source (SNS) and the Linac Coherent Light Source (LCLS) in Basic Energy Sciences (BES).
Author: Robert Ryne
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 648
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Book Description
This text is intended to be of use to researchers and computer scientists involved with high-energy physics and particle engineering. Topics covered include codes for analysis of linear and circular accelerators, electron and ion accelerators, and accelerators for heavy ion fusion.
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ISBN:
Category : Aeronautics
Languages : en
Pages : 380
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
