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A Novel High Order Time Domain Vector Finite Element Method for the Simulation of Electromagnetic Devices

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Release : 2004
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Book Synopsis A Novel High Order Time Domain Vector Finite Element Method for the Simulation of Electromagnetic Devices by : Robert N. Rieben

Download or read book A Novel High Order Time Domain Vector Finite Element Method for the Simulation of Electromagnetic Devices written by Robert N. Rieben. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt:

Application of Novel High Order Time Domain Vector Finite Element Method to Photonic Band-Gap Waveguides

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Release : 2004
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Book Synopsis Application of Novel High Order Time Domain Vector Finite Element Method to Photonic Band-Gap Waveguides by : D. White

Download or read book Application of Novel High Order Time Domain Vector Finite Element Method to Photonic Band-Gap Waveguides written by D. White. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt: In this paper we motivate the use of a novel high order time domain vector finite element method that is of arbitrary order accuracy in space and up to 5th order accurate in time; and in particular, we apply it to the case of photonic band-gap (PBG) structures. Such structures have been extensively studied in the literature with several practical applications; in particular, for the low loss transmission of electromagnetic energy around sharp 90 degree bends [1]. Typically, such structures are simulated via a numerical solution of Maxwell's equations either in the frequency domain or directly in the time domain over a computational grid. The majority of numerical simulations performed for such structures make use of the widely popular finite difference time domain (FDTD) method [2], where the time dependent electric and magnetic fields are discretized over a ''dual'' grid to second order accuracy in space and time. However, such methods do not generalize to unstructured, non-orthogonal grids or to higher order spatial discretization schemes. To simulate more complicated structures with curved boundaries, such as the structure of [3], a cell based finite element method with curvilinear elements is preferred over standard stair-stepped Cartesian meshes; and to more efficiently reduce the effects of numerical dispersion, a higher order method is highly desirable. In this paper, the high order basis functions of [5] are used in conjunction with the high order energy conserving symplectic time integration algorithms of [6] resulting in a high order, fully mimetic, mixed vector finite element method.

The Finite Element Method in Electromagnetics

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Release : 2015-02-18
Genre : Science
Kind : eBook
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Book Synopsis The Finite Element Method in Electromagnetics by : Jian-Ming Jin

Download or read book The Finite Element Method in Electromagnetics written by Jian-Ming Jin. This book was released on 2015-02-18. Available in PDF, EPUB and Kindle. Book excerpt: A new edition of the leading textbook on the finite element method, incorporating major advancements and further applications in the field of electromagnetics The finite element method (FEM) is a powerful simulation technique used to solve boundary-value problems in a variety of engineering circumstances. It has been widely used for analysis of electromagnetic fields in antennas, radar scattering, RF and microwave engineering, high-speed/high-frequency circuits, wireless communication, electromagnetic compatibility, photonics, remote sensing, biomedical engineering, and space exploration. The Finite Element Method in Electromagnetics, Third Edition explains the method’s processes and techniques in careful, meticulous prose and covers not only essential finite element method theory, but also its latest developments and applications—giving engineers a methodical way to quickly master this very powerful numerical technique for solving practical, often complicated, electromagnetic problems. Featuring over thirty percent new material, the third edition of this essential and comprehensive text now includes: A wider range of applications, including antennas, phased arrays, electric machines, high-frequency circuits, and crystal photonics The finite element analysis of wave propagation, scattering, and radiation in periodic structures The time-domain finite element method for analysis of wideband antennas and transient electromagnetic phenomena Novel domain decomposition techniques for parallel computation and efficient simulation of large-scale problems, such as phased-array antennas and photonic crystals Along with a great many examples, The Finite Element Method in Electromagnetics is an ideal book for engineering students as well as for professionals in the field.

Time-Domain Finite Element Methods for Maxwell's Equations in Metamaterials

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Release : 2012-12-15
Genre : Computers
Kind : eBook
Book Rating : 899/5 ( reviews)

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Book Synopsis Time-Domain Finite Element Methods for Maxwell's Equations in Metamaterials by : Jichun Li

Download or read book Time-Domain Finite Element Methods for Maxwell's Equations in Metamaterials written by Jichun Li. This book was released on 2012-12-15. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to provide an up-to-date introduction to the time-domain finite element methods for Maxwell’s equations involving metamaterials. Since the first successful construction of a metamaterial with both negative permittivity and permeability in 2000, the study of metamaterials has attracted significant attention from researchers across many disciplines. Thanks to enormous efforts on the part of engineers and physicists, metamaterials present great potential applications in antenna and radar design, sub-wavelength imaging, and invisibility cloak design. Hence the efficient simulation of electromagnetic phenomena in metamaterials has become a very important issue and is the subject of this book, in which various metamaterial modeling equations are introduced and justified mathematically. The development and practical implementation of edge finite element methods for metamaterial Maxwell’s equations are the main focus of the book. The book finishes with some interesting simulations such as backward wave propagation and time-domain cloaking with metamaterials.

Compatible Spatial Discretizations

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Release : 2007-01-26
Genre : Mathematics
Kind : eBook
Book Rating : 345/5 ( reviews)

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Book Synopsis Compatible Spatial Discretizations by : Douglas N. Arnold

Download or read book Compatible Spatial Discretizations written by Douglas N. Arnold. This book was released on 2007-01-26. Available in PDF, EPUB and Kindle. Book excerpt: The IMA Hot Topics workshop on compatible spatialdiscretizations was held in 2004. This volume contains original contributions based on the material presented there. A unique feature is the inclusion of work that is representative of the recent developments in compatible discretizations across a wide spectrum of disciplines in computational science. Abstracts and presentation slides from the workshop can be accessed on the internet.

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