Finite Element-based Hybrid Electromagnetic Methods for Electrically Large, Complex Scattering and Radiation Structures

Finite Element-based Hybrid Electromagnetic Methods for Electrically Large, Complex Scattering and Radiation Structures PDF Author: Dong-Ho Han
Publisher:
ISBN:
Category : Antenna radiation patterns
Languages : en
Pages : 490

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Book Description

Finite Element-based Hybrid Electromagnetic Methods for Electrically Large, Complex Scattering and Radiation Structures

Finite Element-based Hybrid Electromagnetic Methods for Electrically Large, Complex Scattering and Radiation Structures PDF Author: Dong-Ho Han
Publisher:
ISBN:
Category : Antenna radiation patterns
Languages : en
Pages : 490

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Book Description


Finite Element Method Electromagnetics

Finite Element Method Electromagnetics PDF Author: John L. Volakis
Publisher: John Wiley & Sons
ISBN: 9780780334250
Category : Science
Languages : en
Pages : 364

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Book Description
Employed in a large number of commercial electromagnetic simulation packages, the finite element method is one of the most popular and well-established numerical techniques in engineering. This book covers the theory, development, implementation, and application of the finite element method and its hybrid versions to electromagnetics. FINITE ELEMENT METHOD FOR ELECTROMAGNETICS begins with a step-by-step textbook presentation of the finite method and its variations then goes on to provide up-to-date coverage of three dimensional formulations and modern applications to open and closed domain problems. Worked out examples are included to aid the reader with the fine features of the method and the implementation of its hybridization with other techniques for a robust simulation of large scale radiation and scattering. The crucial treatment of local boundary conditions is carefully worked out in several stages in the book. Sponsored by: IEEE Antennas and Propagation Society.

The Finite Element Method in Electromagnetics

The Finite Element Method in Electromagnetics PDF Author: Jian-Ming Jin
Publisher: John Wiley & Sons
ISBN: 1118842022
Category : Science
Languages : en
Pages : 728

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Book Description
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.

Multigrid Finite Element Methods for Electromagnetic Field Modeling

Multigrid Finite Element Methods for Electromagnetic Field Modeling PDF Author: Yu Zhu
Publisher: John Wiley & Sons
ISBN: 0471741108
Category : Science
Languages : en
Pages : 453

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Book Description
This is the first comprehensive monograph that features state-of-the-art multigrid methods for enhancing the modeling versatility, numerical robustness, and computational efficiency of one of the most popular classes of numerical electromagnetic field modeling methods: the method of finite elements. The focus of the publication is the development of robust preconditioners for the iterative solution of electromagnetic field boundary value problems (BVPs) discretized by means of finite methods. Specifically, the authors set forth their own successful attempts to utilize concepts from multigrid and multilevel methods for the effective preconditioning of matrices resulting from the approximation of electromagnetic BVPs using finite methods. Following the authors' careful explanations and step-by-step instruction, readers can duplicate the authors' results and take advantage of today's state-of-the-art multigrid/multilevel preconditioners for finite element-based iterative electromagnetic field solvers. Among the highlights of coverage are: * Application of multigrid, multilevel, and hybrid multigrid/multilevel preconditioners to electromagnetic scattering and radiation problems * Broadband, robust numerical modeling of passive microwave components and circuits * Robust, finite element-based modal analysis of electromagnetic waveguides and cavities * Application of Krylov subspace-based methodologies for reduced-order macromodeling of electromagnetic devices and systems * Finite element modeling of electromagnetic waves in periodic structures The authors provide more than thirty detailed algorithms alongside pseudo-codes to assist readers with practical computer implementation. In addition, each chapter includes an applications section with helpful numerical examples that validate the authors' methodologies and demonstrate their computational efficiency and robustness. This groundbreaking book, with its coverage of an exciting new enabling computer-aided design technology, is an essential reference for computer programmers, designers, and engineers, as well as graduate students in engineering and applied physics.

Finite Element and Finite Difference Methods in Electromagnetic Scattering

Finite Element and Finite Difference Methods in Electromagnetic Scattering PDF Author: M.A. Morgan
Publisher: Elsevier
ISBN: 1483289532
Category : Technology & Engineering
Languages : en
Pages : 398

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Book Description
This second volume in the Progress in Electromagnetic Research series examines recent advances in computational electromagnetics, with emphasis on scattering, as brought about by new formulations and algorithms which use finite element or finite difference techniques. Containing contributions by some of the world's leading experts, the papers thoroughly review and analyze this rapidly evolving area of computational electromagnetics. Covering topics ranging from the new finite-element based formulation for representing time-harmonic vector fields in 3-D inhomogeneous media using two coupled scalar potentials, to the consideration of conforming boundary elements and leap-frog time-marching in transient field problems involving corners and wedges in two and three dimensions, the volume will provide an indispensable reference source for practitioners and students of computational electromagnetics.

Finite Element Method for Electromagnetic Scattering and Radiation from Complex Axisymmetric Structures

Finite Element Method for Electromagnetic Scattering and Radiation from Complex Axisymmetric Structures PDF Author: Andrew D. Greenwood
Publisher:
ISBN:
Category :
Languages : en
Pages : 250

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Book Description


Quick Finite Elements for Electromagnetic Waves

Quick Finite Elements for Electromagnetic Waves PDF Author: Giuseppe Pelosi
Publisher: Artech House Publishers
ISBN:
Category : Mathematics
Languages : en
Pages : 250

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Book Description
Now you can quickly and more easily work out challenging microwave engineering and high-frequency electromagnetic problems using the finite element method (FEM) with this practical book and software package. Using clear, concise text and dozens of real-world application examples, the book provides a detailed description of FEM implementation, while the software provides the code and tools needed to solve the three major types of EM problems: guided propagation, scattering, and radiation.

Electromagnetic Scattering using the Iterative Multi-Region Technique

Electromagnetic Scattering using the Iterative Multi-Region Technique PDF Author: Mohamed H. Al Sharkawy
Publisher: Morgan & Claypool Publishers
ISBN: 1598295365
Category : Technology & Engineering
Languages : en
Pages : 108

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Book Description
In this work, an iterative approach using the finite difference frequency domain method is presented to solve the problem of scattering from large-scale electromagnetic structures. The idea of the proposed iterative approach is to divide one computational domain into smaller subregions and solve each subregion separately. Then the subregion solutions are combined iteratively to obtain a solution for the complete domain. As a result, a considerable reduction in the computation time and memory is achieved. This procedure is referred to as the iterative multiregion (IMR) technique. Different enhancement procedures are investigated and introduced toward the construction of this technique. These procedures are the following: 1) a hybrid technique combining the IMR technique and a method of moment technique is found to be efficient in producing accurate results with a remarkable computer memory saving; 2) the IMR technique is implemented on a parallel platform that led to a tremendous computational time saving; 3) together, the multigrid technique and the incomplete lower and upper preconditioner are used with the IMR technique to speed up the convergence rate of the final solution, which reduces the total computational time. Thus, the proposed iterative technique, in conjunction with the enhancement procedures, introduces a novel approach to solving large open-boundary electromagnetic problems including unconnected objects in an efficient and robust way. Contents: Basics of the FDFD Method / IMR Technique for Large-Scale Electromagnetic Scattering Problems: 3D Case / IMR Technique for Large-Scale Electromagnetic Scattering Problems: 2D Case / The IMR Algorithm Using a Hybrid FDFD and Method of Moments Technique / Parallelization of the Iterative Multiregion Technique / Combined Multigrid Technique and IMR Algorithm / Concluding Remarks / Appendices

Advances in Information Technologies for Electromagnetics

Advances in Information Technologies for Electromagnetics PDF Author: Luciano Tarricone
Publisher: Springer Science & Business Media
ISBN: 1402047495
Category : Technology & Engineering
Languages : en
Pages : 473

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Book Description
This book offers a broad panorama on recently achieved and potentially obtainable advances in electromagnetics with innovative IT technologies. Simple tutorial chapters introduce cutting edge technologies. These include parallel and distributed computing, object-oriented technologies, grid computing, semantic grids, agent based computing and service-oriented architectures. The book is a unique tool bridging the gap between IT and EM communities.

Electromagnetic Modeling by Finite Element Methods

Electromagnetic Modeling by Finite Element Methods PDF Author: João Pedro A. Bastos
Publisher: CRC Press
ISBN: 0203911172
Category : Technology & Engineering
Languages : en
Pages : 510

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Book Description
Unlike any other source in the field, this valuable reference clearly examines key aspects of the finite element method (FEM) for electromagnetic analysis of low-frequency electrical devices. The authors examine phenomena such as nonlinearity, mechanical force, electrical circuit coupling, vibration, heat, and movement for applications in the elect