An Implicit Characteristic Based Method For Electromagnetics
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An Implicit Characteristic Based Method For Electromagnetics
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Author :
language : en
Publisher: DIANE Publishing
Release Date :
An Implicit Characteristic Based Method For Electromagnetics written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
An Implicit Characteristic Based Method For Electromagnetics
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Author : John H. Beggs
language : en
Publisher:
Release Date : 2001
An Implicit Characteristic Based Method For Electromagnetics written by John H. Beggs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Computer algorithms categories.
An implicit characteristic-based approach for numerical solution of Maxwell's time-dependent curl equations in flux conservative form is introduced. This method combines a characteristic based finite difference spatial approximation with an implicit lower-upper approximate factorization (LU/AF) time integration scheme. This approach is advantageous for three-dimensional applications. Results are given both for a Fourier analysis of stability, damping and dispersion properties, and for one-dimensional model problems involving propagation and scattering for free space and dielectric materials using both u iform and nonuniform grids. The explicit FDTD algorithm is used as a convenient reference algorithm for comparison.
A Two Dimensional Linear Bicharacteristic Scheme For Electromagnetics
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Author : John H. Beggs
language : en
Publisher:
Release Date : 2002
A Two Dimensional Linear Bicharacteristic Scheme For Electromagnetics written by John H. Beggs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Electromagnetism categories.
Characteristic Based Methods For The Time Domain Maxwell Equations
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Author : J. S. Shang
language : en
Publisher:
Release Date : 1993
Characteristic Based Methods For The Time Domain Maxwell Equations written by J. S. Shang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Maxwell equations categories.
Numerical procedures for solving the time-domain Maxwell equations based on the theory of characteristics were successfully developed. Both explicit and implicit methods were formulated by the time-central and spatial-windward algorithm to better describe wave motion. A new trapezoidal consistent implicit scheme was shown to be unconditionally stable for the linear initial value system and was able to generate numerical solutions comparable to those of the established explicit method. The formulation of the three-dimensional system including generalized coordinate system was completed but not explored. The present 2-D results on Cartesian frame demonstrated a potential for numerical efficiency improvement. Time-domain Maxwell equation, Trapezoidal consistent implicit scheme, Cartesian frame.
An Implicit Characteristic Based Method For Electromagnetics
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-27
An Implicit Characteristic Based Method For Electromagnetics written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-27 with categories.
An implicit characteristic-based approach for numerical solution of Maxwell's time-dependent curl equations in flux conservative form is introduced. This method combines a characteristic based finite difference spatial approximation with an implicit lower-upper approximate factorization (LU/AF) time integration scheme. This approach is advantageous for three-dimensional applications because the characteristic differencing enables a two-factor approximate factorization that retains its unconditional stability in three space dimensions, and it does not require solution of tridiagonal systems. Results are given both for a Fourier analysis of stability, damping and dispersion properties, and for one-dimensional model problems involving propagation and scattering for free space and dielectric materials using both uniform and nonuniform grids. The explicit Finite Difference Time Domain Method (FDTD) algorithm is used as a convenient reference algorithm for comparison. The one-dimensional results indicate that for low frequency problems on a highly resolved uniform or nonuniform grid, this LU/AF algorithm can produce accurate solutions at Courant numbers significantly greater than one, with a corresponding improvement in efficiency for simulating a given period of time. This approach appears promising for development of dispersion optimized LU/AF schemes for three dimensional applications.Beggs, John H. and Briley, W. RogerLangley Research CenterMETHOD OF CHARACTERISTICS; MAXWELL EQUATION; COMPUTATIONAL ELECTROMAGNETICS; TIME DEPENDENCE; FACTORIZATION; ALGORITHMS; FINITE DIFFERENCE TIME DOMAIN METHOD...
Computational Electromagnetics And Its Applications
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Author : Thomas G. Campbell
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Computational Electromagnetics And Its Applications written by Thomas G. Campbell 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 Technology & Engineering categories.
This volume contains the proceedings of the first ICASE/LaRC Work shop on Computational Electromagnetics and Its Applications conducted by the Institute for Computer Applications in Science and Engineering and NASA Langley Research Center. We had several goals in mind when we decided, jointly with the Elec tromagnetics Research Branch, to organize this workshop on Computa tional Electromagnetics ( CEM). Among our goals were a desire to obtain an overview of the current state of CEM, covering both algorithms and ap plications and their effect on NASA's activities in this area. In addition, we wanted to provide an attractive setting for computational scientists with expertise in other fields, especially computational fluid dynamics (CFD), to observe the algorithms and tools of CEM at work. Our expectation was that scientists from both fields would discover mutually beneficial inter connections and relationships. Another goal was to learn of progress in solution algorithms for electromagnetic optimization and design problems; such problems make extensive use of field solvers and computational effi ciency is at a premium. To achieve these goals we assembled the renowned group of speakers from academia and industry whose talks are contained in this volume. The papers are printed in the same order in which the talks were pre sented at the meeting. The first paper is an overview of work currently being performed in the Electromagnetic Research Branch at the Langley Research Center.
Computational Electromagnetic Aerodynamics
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Author : Joseph J. S. Shang
language : en
Publisher: John Wiley & Sons
Release Date : 2016-04-11
Computational Electromagnetic Aerodynamics written by Joseph J. S. Shang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-11 with Technology & Engineering categories.
Presents numerical algorithms, procedures, and techniques required to solve engineering problems relating to the interactions between electromagnetic fields and fluid flow and interdisciplinary technology for aerodynamics, electromagnetics, chemical-physic kinetics, and plasmadynamics Integrates interlinking computational model and simulation techniques of aerodynamics and electromagnetics Combines classic plasma drift-diffusion theory and electron impact ionization modeling for electromagnetic-aerodynamic interactions Describes models of internal degrees of freedom for vibration relaxation and electron excitations
Recent Advances In Computational Science And Engineering Proceedings Of The International Conference On Scientific And Engineering Computation Ic Sec 2002
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Author : Justin Kwok
language : en
Publisher: World Scientific
Release Date : 2002-12-02
Recent Advances In Computational Science And Engineering Proceedings Of The International Conference On Scientific And Engineering Computation Ic Sec 2002 written by Justin Kwok and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-12-02 with Computers categories.
IC-SEC 2002 serves as a forum for engineers and scientists who are involved in the use of high performance computers, advanced numerical strategies, computational methods and simulation in various scientific and engineering disciplines. The conference creates a platform for presenting and discussing the latest trends and findings about the state of the art in their particular field(s) of interest. IC-SEC also provides a forum for the interdisciplinary blending of computational efforts in various diversified areas of science, such as biology, chemistry, physics and materials science, as well as all branches of engineering. The proceedings cover a broad range of topics and an application area which involves modelling and simulation work using high performance computers.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 2003
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Government publications categories.
Japanese Journal Of Applied Physics
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Author :
language : en
Publisher:
Release Date : 2004
Japanese Journal Of Applied Physics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Physics categories.