Static Fields
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Static Fields And Potentials
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Author : Joy Manners
language : en
Publisher: CRC Press
Release Date : 2022-01-27
Static Fields And Potentials written by Joy Manners and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-27 with Science categories.
Static Fields and Potentials describes two of the fundamental interactions in nature: gravity and electromagnetism. The book introduces the associated fields, potentials, and energies and explains the relationship among them. It shows how these interactions manifest themselves in different ways, from the formation of stars to the operation of thund
Alfv N Waves And Static Fields In Magnetosphere Ionosphere Coupling
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Author : David J. Knudsen
language : en
Publisher:
Release Date : 1990
Alfv N Waves And Static Fields In Magnetosphere Ionosphere Coupling written by David J. Knudsen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Ionosphere categories.
Perturbation electric and magnetic fields carry in excess of 10(exp10) to 10(exp12) W of electrical power between the magnetosphere and high-latitude ionosphere. Most of this power is generated by the solar wind. The ionosphere at large spatial and temporal scales acts as a dissipative slab which can be characterized by its height-integrated Pedersen conductivity sigma p, so that the power flux into the ionosphere due to a quasi-static electric field E is given by sigma (pE2) The energy transferred to the ionosphere by time-varying electromagnetic fields in the form of Alfven waves is more difficult to calculate because density and conductivity gradients can reflect energy. Thus, field resonances and standing wave patterns affect the magnitude and altitude distribution of electrical energy dissipation. We use a numerical model to calculate the frequency-dependent electric field reflection coefficient of the ionosphere and show that the ionosphere does not behave as a simple resistive slab for electric field time scales less than a few seconds. Time variation of spacecraft-measured high-latitude electric and perturbation magnetic fields is difficult to distinguish from spatial structuring that has been Doppler-shifted to a non-zero frequency in the spacecraft frame. However, by calculating the frequency-dependent amplitude and phase relations between fluctuating electric and magnetic fields we are able to show that low frequency fields (
Iterative Methods For Calculating Static Fields And Wave Scattering By Small Bodies
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Author : Alexander G. Ramm
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Iterative Methods For Calculating Static Fields And Wave Scattering By Small Bodies written by Alexander G. Ramm and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Iterative methods for calculating static fields are presented in this book. Static field boundary value problems are reduced to the boundary integral equations and these equations are solved by means of iterative processes. This is done for interior and exterior problems and for var ious boundary conditions. Most problems treated are three-dimensional, because for two-dimensional problems the specific and often powerful tool of conformal mapping is available. The iterative methods have some ad vantages over grid methods and, to a certain extent, variational methods: (1) they give analytic approximate formulas for the field and for some functionals of the field of practical importance (such as capacitance and polarizability tensor), (2) the formulas for the functionals can be used in a computer program for calculating these functionals for bodies of arbitrary shape, (3) iterative methods are convenient for computers. From a practical point of view the above methods reduce to the cal culation of multiple integrals. Of special interest is the case of inte grands with weak singularities. Some of the central results of the book are some analytic approximate formulas for scattering matrices for small bodies of arbitrary shape. These formulas answer many practical questions such as how does the scattering depend on the shape of the body or on the boundary conditions, how does one calculate the effective field in a medium consisting of many small particles, and many other questions.
Iterative Methods For Calculating Static Fields And Wave Scattering By Small Bodies
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Author : Alexander G Ramm
language : en
Publisher:
Release Date : 1982-05-11
Iterative Methods For Calculating Static Fields And Wave Scattering By Small Bodies written by Alexander G Ramm and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982-05-11 with categories.
Static Fields And Potentials
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Author : Joy Manners
language : en
Publisher: CRC Press
Release Date : 2000-01-01
Static Fields And Potentials written by Joy Manners and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01-01 with Science categories.
Static Fields and Potentials describes two of the fundamental interactions in nature: gravity and electromagnetism. The book introduces the associated fields, potentials, and energies and explains the relationship among them. It shows how these interactions manifest themselves in different ways, from the formation of stars to the operation of thunderstorms. The book also demonstrates how they are harnessed technologically in applications, such as hydroelectricity, electrical circuitry, and DNA finger-printing.
Java For Artists
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Author : Rick Miller
language : en
Publisher: Pulp Free Press
Release Date : 2006
Java For Artists written by Rick Miller and has been published by Pulp Free Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Java (Computer program language) categories.
Java For Artists: The Art, Philosophy, and Science of Object-Oriented Programming is a Java programming language text/tradebook that targets beginner and intermediate Java programmers.
Static Fields In Electricity And Magnetism
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Author : D H Trevena
language : en
Publisher: Hassell Street Press
Release Date : 2021-09-09
Static Fields In Electricity And Magnetism written by D H Trevena and has been published by Hassell Street Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-09 with categories.
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Inside Java 2 Platform Security
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Author : Li Gong
language : en
Publisher: Addison-Wesley Professional
Release Date : 2003
Inside Java 2 Platform Security written by Li Gong and has been published by Addison-Wesley Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Computers categories.
This authoritative Java security book is written by the architect of the Java security model. It chronicles J2EE v1.4 security model enhancements that will allow developers to build safer, more reliable, and more impenetrable programs.
Php By Example
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Author : Alex Vasilev
language : en
Publisher: Apress
Release Date : 2024-07-04
Php By Example written by Alex Vasilev and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-04 with Computers categories.
Learn to create web applications in PHP with minimal previous experience. This book is a practical guide to using PHP for web development. Loaded with examples and step-by-step instructions, each chapter is dedicated to a specific area or function. You’ll first review the main principles of PHP and what is needed to program and develop in it. You’ll then study variables, data types, control statements, arrays, and functions, all critical for creating efficient PHP programs. The book then moves on to object-oriented programming (OOP) and how to implement those principles in PHP, as well as inheritance, interfaces, testing, error handling, and exceptions. By the end of PHP by Example, you will have the knowledge and confidence to implement PHP for your web projects both large and small. What You’ll Learn Understand PHP from the ground up Create scripts and implement them in real-world projects Work with a broad toolkit of ready-made exercises and solutions Investigate the main constructions of the PHP
Watching The Directives
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Author : Great Britain: Parliament: House of Commons: Science and Technology Committee
language : en
Publisher: The Stationery Office
Release Date : 2006-06-29
Watching The Directives written by Great Britain: Parliament: House of Commons: Science and Technology Committee and has been published by The Stationery Office this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06-29 with Political Science categories.
The EU Physical Agents (Electromagnetic Fields) Directive (which was adopted in April 2004 and must be enshrined in law in EU member states by April 2008) sets out exposure limits designed to provide a minimum standard of protection from occupational exposure to electromagnetic fields (EMF). The Committee's report focuses on the impact of this Directive on the use of magnetic resonance imaging (MRI) equipment for diagnosis, treatment and research use. This is the first of three case studies under the Committee's over-arching inquiry into the way scientific evidence and advice is used by the UK Government to influence policy at EU level. It finds that there were failings in the way scientific advice was used to inform the Directive, both in Brussels and in the UK. The European Commission relied too heavily on one source of advice and was not sufficiently responsive to concerns raised by the magnetic resonance community, whilst there was serious failings in the consultation process in the UK, particular by the Health and Safety Executive and by the Health Protection Agency.