The finite element method for electromagnetic modeling [[electronic resource] /] / edited by Gerard Meunier |
Pubbl/distr/stampa | London, : ISTE |
Descrizione fisica | 1 online resource (618 p.) |
Disciplina |
621.301/51825
621.30151825 |
Altri autori (Persone) | MeunierGerard |
Collana | ISTE |
Soggetto topico |
Electromagnetic devices - Mathematical models
Electromagnetism - Mathematical models Engineering mathematics Finite element method |
ISBN |
1-282-16504-6
9786612165047 0-470-61117-0 0-470-39380-7 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
The Finite Element Method for Electromagnetic Modeling; Table of Contents; Chapter 1. Introduction to Nodal Finite Elements; 1.1. Introduction; 1.1.1. The finite element method; 1.2. The 1D finite element method; 1.2.1. A simple electrostatics problem; 1.2.2. Differential approach; 1.2.3. Variational approach; 1.2.4. First-order finite elements; 1.2.5. Second-order finite elements; 1.3. The finite element method in two dimensions; 1.3.1. The problem of the condenser with square section; 1.3.2. Differential approach; 1.3.3. Variational approach
1.3.4. Meshing in first-order triangular finite elements1.3.5. Finite element interpolation; 1.3.6. Construction of the system of equations by the Ritz method; 1.3.7. Calculation of the matrix coefficients; 1.3.8. Analysis of the results; 1.3.9. Dual formations, framing and convergence; 1.3.10. Resolution of the nonlinear problems; 1.3.11. Alternative to the variational method: the weighted residues method; 1.4. The reference elements; 1.4.1. Linear reference elements; 1.4.2. Surface reference elements; 1.4.3. Volume reference elements; 1.4.4. Properties of the shape functions 1.4.5. Transformation from reference coordinates to domain coordinates.1.4.6. Approximation of the physical variable; 1.4.7. Numerical integrations on the reference elements; 1.4.8. Local Jacobian derivative method; 1.5. Conclusion; 1.6. References; Chapter 2. Static Formulations: Electrostatic, Electrokinetic, Magnetostatics; 2.1. Problems to solve; 2.1.1. Maxwell's equations; 2.1.2. Behavior laws of materials; 2.1.3. Boundary conditions; 2.1.4. Complete static models; 2.1.5. The formulations in potentials; 2.2. Function spaces in the fields and weak formulations 2.2.1. Integral expressions: introduction2.2.2. Definitions of function spaces; 2.2.3. Tonti diagram: synthesis scheme of a problem; 2.2.4. Weak formulations; 2.3. Discretization of function spaces and weak formulations; 2.3.1. Finite elements; 2.3.2. Sequence of discrete spaces; 2.3.3. Gauge conditions and source terms in discrete spaces; 2.3.4. Weak discrete formulations; 2.3.5. Expression of global variables; 2.4. References; Chapter 3. Magnetodynamic Formulations; 3.1. Introduction; 3.2. Electric formulations; 3.2.1. Formulation in electric field 3.2.2. Formulation in combined potentials α - Ψ3.2.3. Comparison of the formulations in field and in combined potentials; 3.3. Magnetic formulations; 3.3.1. Formulation in magnetic field; 3.3.2. Formulation in combined potentials t - Φ; 3.3.3. Numerical example; 3.4. Hybrid formulation; 3.5. Electric and magnetic formulation complementarities; 3.5.1. Complementary features; 3.5.2. Concerning the energy bounds; 3.5.3. Numerical example; 3.6. Conclusion; 3.7. References; Chapter 4. Mixed Finite Element Methods in Electromagnetism; 4.1. Introduction; 4.2. Mixed formulations in magnetostatics 4.2.1. Magnetic induction oriented formulation |
Record Nr. | UNINA-9910841781203321 |
London, : ISTE | ||
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Lo trovi qui: Univ. Federico II | ||
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The finite element method in electromagnetics / Jianming Jin |
Autore | Jin, Jian-Ming, 1962- |
Edizione | [2nd ed.] |
Pubbl/distr/stampa | New York : John Wiley & Sons, c2002 |
Descrizione fisica | xxiv, 753 p. : ill. ; 25 cm |
Disciplina | 621.3 |
Soggetto topico |
Electromagnetism - Mathematical models
Finite element method Electromagnetic waves - Mathematical models |
ISBN | 9780471438182 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNISALENTO-991002014659707536 |
Jin, Jian-Ming, 1962-
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New York : John Wiley & Sons, c2002 | ||
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Lo trovi qui: Univ. del Salento | ||
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Genetic algorithms in electromagnetics / / Randy L. Haupt, Douglas H. Werner |
Autore | Haupt Randy L |
Pubbl/distr/stampa | Hoboken, New Jersey : , : IEEE Press : , c2007 |
Descrizione fisica | 1 online resource (317 p.) |
Disciplina |
537.015197
621.30285/631 621.30285631 |
Altri autori (Persone) | WernerDouglas H. <1960-> |
Soggetto topico |
Antenna arrays - Design
Electromagnetism - Mathematical models Genetic algorithms |
ISBN |
0-470-65345-0
1-280-82671-1 9786610826711 0-470-10628-X 0-470-10627-1 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Preface. -- Acknowledgments. -- 1. Introduction to Optimization in Electromagnetics. -- 1.1 Optimizing a Function of One Variable. -- 1.1.1 Exhaustive Search. -- 1.1.2 Random Search. -- 1.1.3 Golden Search. -- 1.1.4 Newton's Method. -- 1.1.5 Quadratic Interpolation. -- 1.2 Optimizing a Function of Multiple Variables. -- 1.2.1 Random Search. -- 1.2.2 Line Search. -- 1.2.3 Nelder-Mead Downhill Simplex Algorithm. -- 1.3 Comparing Local Numerical Optimization Algorithms. -- 1.4 Simulated Annealing. -- 1.5 Genetic Algorithm. -- 2. Anatomy of a Genetic Algorithm. -- 2.1 Creating an Initial Population. -- 2.2 Evaluating Fitness. -- 2.3 Natural Selection. -- 2.4 Mate Selection. -- 2.4.1 Roulette Wheel Selection. -- 2.4.2 Tournament Selection. -- 2.5 Generating Offspring. -- 2.6 Mutation. -- 2.7 Terminating the Run. -- 3. Step-by-Step Examples. -- 3.1 Placing Nulls. -- 3.2 Thinned Arrays. -- 4. Optimizing Antenna Arrays. -- 4.1 Optimizing Array Amplitude Tapers. -- 4.2 Optimizing Array Phase Tapers. -- 4.2.1 Optimum Quantized Low-Sidelobe Phase Tapers. -- 4.2.2 Phase-Only Array Synthesis Using Adaptive GAs. -- 4.3 Optimizing Arrays with Complex Weighting. -- 4.3.1 Shaped-Beam Synthesis. -- 4.3.2 Creating a Plane Wave in the Near Field. -- 4.4 Optimizing Array Element Spacing. -- 4.4.1 Thinned Arrays. -- 4.4.2 Interleaved Thinned Linear Arrays. -- 4.4.3 Array Element Perturbation. -- 4.4.4 Aperiodic Fractile Arrays. -- 4.4.5 Fractal-Random and Polyfractal Arrays. -- 4.4.6 Aperiodic Refl ectarrays. -- 4.5 Optimizing Conformal Arrays. -- 4.6 Optimizing Reconfi gurable Apertures. -- 4.6.1 Planar Reconfi gurable Cylindrical Wire Antenna Design. -- 4.6.2 Planar Reconfi gurable Ribbon Antenna Design. -- 4.6.3 Design of Volumetric Reconfi gurable Antennas. -- 4.6.4 Simulation Results--Planar Reconfi gurable Cylindrical Wire Antenna. -- 4.6.5 Simulation Results--Volumetric Reconfi gurable Cylindrical Wire Antenna. -- 4.6.6 Simulation Results--Planar Reconfi gurable Ribbon Antenna. -- 5. Smart Antennas Using a GA.
5.1 Amplitude and Phase Adaptive Nulling. -- 5.2 Phase-Only Adaptive Nulling. -- 5.3 Adaptive Reflector. -- 5.4 Adaptive Crossed Dipoles. -- 6. Genetic Algorithm Optimization of Wire Antennas. -- 6.1 Introduction. -- 6.2 GA Design of Electrically Loaded Wire Antennas. -- 6.3 GA Design of Three-Dimensional Crooked-Wire Antennas. -- 6.4 GA Design of Planar Crooked-Wire and Meander-Line Antennas. -- 6.5 GA Design of Yagida Antennas. -- 7. Optimization of Aperture Antennas. -- 7.1 Refl ector Antennas. -- 7.2 Horn Antennas. -- 7.3 Microstrip Antennas. -- 8. Optimization of Scattering. -- 8.1 Scattering from an Array of Strips. -- 8.2 Scattering from Frequency-Selective Surfaces. -- 8.2.1 Optimization of FSS Filters. -- 8.2.2 Optimization of Reconfi gurable FSSs. -- 8.2.3 Optimization of EBGs. -- 8.3 Scattering from Absorbers. -- 8.3.1 Conical or Wedge Absorber Optimization. -- 8.3.2 Multilayer Dielectric Broadband Absorber Optimization. -- 8.3.3 Ultrathin Narrowband Absorber Optimization. -- 9. GA Extensions. -- 9.1 Selecting Population Size and Mutation Rate. -- 9.2 Particle Swarm Optimization (PSO). -- 9.3 Multiple-Objective Optimization. -- 9.3.1 Introduction. -- 9.3.2 Strength Pareto Evolutionary Algorithm Strength Value Calculation. -- 9.3.3 Strength Pareto Evolutionary Algorithm Pareto Set Clustering. -- 9.3.4 Strength Pareto Evolutionary Algorithm Implementation. -- 9.3.5 SPEA-Optimized Planar Arrays. -- 9.3.6 SPEA-Optimized Planar Polyfractal Arrays. -- Appendix: MATLAB Code. -- Bibliography. -- Index. |
Record Nr. | UNINA-9910143557503321 |
Haupt Randy L
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Hoboken, New Jersey : , : IEEE Press : , c2007 | ||
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Lo trovi qui: Univ. Federico II | ||
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Genetic algorithms in electromagnetics / / Randy L. Haupt, Douglas H. Werner |
Autore | Haupt Randy L |
Pubbl/distr/stampa | Hoboken, New Jersey : , : IEEE Press : , c2007 |
Descrizione fisica | 1 online resource (317 p.) |
Disciplina |
537.015197
621.30285/631 621.30285631 |
Altri autori (Persone) | WernerDouglas H. <1960-> |
Soggetto topico |
Antenna arrays - Design
Electromagnetism - Mathematical models Genetic algorithms |
ISBN |
0-470-65345-0
1-280-82671-1 9786610826711 0-470-10628-X 0-470-10627-1 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Preface. -- Acknowledgments. -- 1. Introduction to Optimization in Electromagnetics. -- 1.1 Optimizing a Function of One Variable. -- 1.1.1 Exhaustive Search. -- 1.1.2 Random Search. -- 1.1.3 Golden Search. -- 1.1.4 Newton's Method. -- 1.1.5 Quadratic Interpolation. -- 1.2 Optimizing a Function of Multiple Variables. -- 1.2.1 Random Search. -- 1.2.2 Line Search. -- 1.2.3 Nelder-Mead Downhill Simplex Algorithm. -- 1.3 Comparing Local Numerical Optimization Algorithms. -- 1.4 Simulated Annealing. -- 1.5 Genetic Algorithm. -- 2. Anatomy of a Genetic Algorithm. -- 2.1 Creating an Initial Population. -- 2.2 Evaluating Fitness. -- 2.3 Natural Selection. -- 2.4 Mate Selection. -- 2.4.1 Roulette Wheel Selection. -- 2.4.2 Tournament Selection. -- 2.5 Generating Offspring. -- 2.6 Mutation. -- 2.7 Terminating the Run. -- 3. Step-by-Step Examples. -- 3.1 Placing Nulls. -- 3.2 Thinned Arrays. -- 4. Optimizing Antenna Arrays. -- 4.1 Optimizing Array Amplitude Tapers. -- 4.2 Optimizing Array Phase Tapers. -- 4.2.1 Optimum Quantized Low-Sidelobe Phase Tapers. -- 4.2.2 Phase-Only Array Synthesis Using Adaptive GAs. -- 4.3 Optimizing Arrays with Complex Weighting. -- 4.3.1 Shaped-Beam Synthesis. -- 4.3.2 Creating a Plane Wave in the Near Field. -- 4.4 Optimizing Array Element Spacing. -- 4.4.1 Thinned Arrays. -- 4.4.2 Interleaved Thinned Linear Arrays. -- 4.4.3 Array Element Perturbation. -- 4.4.4 Aperiodic Fractile Arrays. -- 4.4.5 Fractal-Random and Polyfractal Arrays. -- 4.4.6 Aperiodic Refl ectarrays. -- 4.5 Optimizing Conformal Arrays. -- 4.6 Optimizing Reconfi gurable Apertures. -- 4.6.1 Planar Reconfi gurable Cylindrical Wire Antenna Design. -- 4.6.2 Planar Reconfi gurable Ribbon Antenna Design. -- 4.6.3 Design of Volumetric Reconfi gurable Antennas. -- 4.6.4 Simulation Results--Planar Reconfi gurable Cylindrical Wire Antenna. -- 4.6.5 Simulation Results--Volumetric Reconfi gurable Cylindrical Wire Antenna. -- 4.6.6 Simulation Results--Planar Reconfi gurable Ribbon Antenna. -- 5. Smart Antennas Using a GA.
5.1 Amplitude and Phase Adaptive Nulling. -- 5.2 Phase-Only Adaptive Nulling. -- 5.3 Adaptive Reflector. -- 5.4 Adaptive Crossed Dipoles. -- 6. Genetic Algorithm Optimization of Wire Antennas. -- 6.1 Introduction. -- 6.2 GA Design of Electrically Loaded Wire Antennas. -- 6.3 GA Design of Three-Dimensional Crooked-Wire Antennas. -- 6.4 GA Design of Planar Crooked-Wire and Meander-Line Antennas. -- 6.5 GA Design of Yagida Antennas. -- 7. Optimization of Aperture Antennas. -- 7.1 Refl ector Antennas. -- 7.2 Horn Antennas. -- 7.3 Microstrip Antennas. -- 8. Optimization of Scattering. -- 8.1 Scattering from an Array of Strips. -- 8.2 Scattering from Frequency-Selective Surfaces. -- 8.2.1 Optimization of FSS Filters. -- 8.2.2 Optimization of Reconfi gurable FSSs. -- 8.2.3 Optimization of EBGs. -- 8.3 Scattering from Absorbers. -- 8.3.1 Conical or Wedge Absorber Optimization. -- 8.3.2 Multilayer Dielectric Broadband Absorber Optimization. -- 8.3.3 Ultrathin Narrowband Absorber Optimization. -- 9. GA Extensions. -- 9.1 Selecting Population Size and Mutation Rate. -- 9.2 Particle Swarm Optimization (PSO). -- 9.3 Multiple-Objective Optimization. -- 9.3.1 Introduction. -- 9.3.2 Strength Pareto Evolutionary Algorithm Strength Value Calculation. -- 9.3.3 Strength Pareto Evolutionary Algorithm Pareto Set Clustering. -- 9.3.4 Strength Pareto Evolutionary Algorithm Implementation. -- 9.3.5 SPEA-Optimized Planar Arrays. -- 9.3.6 SPEA-Optimized Planar Polyfractal Arrays. -- Appendix: MATLAB Code. -- Bibliography. -- Index. |
Record Nr. | UNINA-9910831035903321 |
Haupt Randy L
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Hoboken, New Jersey : , : IEEE Press : , c2007 | ||
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Lo trovi qui: Univ. Federico II | ||
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ICCEM : 2019 IEEE International Conference on Computational Electromagnetics : 20-22 March 2019, Shanghai, China / / Institute of Electrical and Electronics Engineers |
Pubbl/distr/stampa | Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2019 |
Descrizione fisica | 1 online resource (71 pages) |
Disciplina | 537.0285 |
Soggetto topico |
Electromagnetism - Data processing
Electromagnetism - Mathematical models |
ISBN | 1-5386-7111-5 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910332515003321 |
Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2019 | ||
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Lo trovi qui: Univ. Federico II | ||
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ICCEM : 2019 IEEE International Conference on Computational Electromagnetics : 20-22 March 2019, Shanghai, China / / Institute of Electrical and Electronics Engineers |
Pubbl/distr/stampa | Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2019 |
Descrizione fisica | 1 online resource (71 pages) |
Disciplina | 537.0285 |
Soggetto topico |
Electromagnetism - Data processing
Electromagnetism - Mathematical models |
ISBN | 1-5386-7111-5 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNISA-996577846003316 |
Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2019 | ||
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Lo trovi qui: Univ. di Salerno | ||
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ICCEM : 2018 IEEE International Conference on Computational Electromagnetics : 26-28 March 2018, Chengdu, China / / Institute of Electrical and Electronics Engineers |
Pubbl/distr/stampa | Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2018 |
Descrizione fisica | 1 online resource (519 pages) |
Disciplina | 537.0285 |
Soggetto topico |
Electromagnetism - Data processing
Electromagnetism - Mathematical models |
ISBN | 1-5386-1241-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNISA-996280114703316 |
Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2018 | ||
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Lo trovi qui: Univ. di Salerno | ||
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ICCEM : 2018 IEEE International Conference on Computational Electromagnetics : 26-28 March 2018, Chengdu, China / / Institute of Electrical and Electronics Engineers |
Pubbl/distr/stampa | Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2018 |
Descrizione fisica | 1 online resource (519 pages) |
Disciplina | 537.0285 |
Soggetto topico |
Electromagnetism - Data processing
Electromagnetism - Mathematical models |
ISBN | 1-5386-1241-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910289356603321 |
Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2018 | ||
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Lo trovi qui: Univ. Federico II | ||
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ICCEM : 2016 IEEE International Conference on Computational Electromagnetics : 23-25 February 2016, Guangzhou, China / / Institute of Electrical and Electronics Engineers |
Pubbl/distr/stampa | Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2016 |
Descrizione fisica | 1 online resource (306 pages) |
Disciplina | 537.0285 |
Soggetto topico |
Electromagnetism - Data processing
Electromagnetism - Mathematical models |
ISBN | 1-4673-9678-8 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910332528103321 |
Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2016 | ||
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Lo trovi qui: Univ. Federico II | ||
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ICCEM : 2016 IEEE International Conference on Computational Electromagnetics : 23-25 February 2016, Guangzhou, China / / Institute of Electrical and Electronics Engineers |
Pubbl/distr/stampa | Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2016 |
Descrizione fisica | 1 online resource (306 pages) |
Disciplina | 537.0285 |
Soggetto topico |
Electromagnetism - Data processing
Electromagnetism - Mathematical models |
ISBN | 1-4673-9678-8 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNISA-996577845903316 |
Piscataway, New Jersey : , : Institute of Electrical and Electronics Engineers, , 2016 | ||
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Lo trovi qui: Univ. di Salerno | ||
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