Contents
1 Parallel and Distributed Environments 1
A. Esposito
1. INTRODUCTION 1
2. BASIC CONCEPTS 2
3. PARALLEL PROGRAMMING 3
3.1 Introduction 3
3.1.1 MPI 5
3.2 Performance Assessment
4. DISTRIBUTED SYSTEMS 6
4.1 Introduction 6
4.2 RPC 7
4.3 Mobile Agent Framework
5. THE WEB 8
5.1 XML
5.1.1 Introduction 10
5.1.2
5.1.3 Namespaces 13
5.1.4
5.1.5 Applications
Contributing Authors xvii
Preface xxi
Acknowledgments x xvii
XML Fundamentals
XML Schema
2 Object-Oriented Technologies
A. Esposito
1. INTRODUCTION
2. OO PROGRAMMING
viii
2.1 Basic Concepts
2.2 Java
2.2.1 Introduction
2.2.2 The Language
3. OO DISTRIBUTED FRAMEWORKS
3.1 Introduction
3.1.1 Java RMI
3.2 Java Mobile Agents
3 The Semantic Web
A. Esposito
1. INTRODUCTION
2. DESCRIPTION LOGICS
2.1 Introduction
2.2 A Model for Reality: The TBox
2.2.1 Constructors
2.2.2 Axioms
2.3 The ABox
2.4 Reasoners
3. TOOLS FOR THE SEMANTIC WEB
3.1 Languages
3.2 Reasoners
3.3 Tools for Building Ontologies
4 Web Services
A. Esposito
1. INTRODUCTION
2. BASIC CONCEPTS
2.1 Web Services Architecture
3. WEB SERVICES DESCRIPTION: WSDL
4. AUTOMATIC DISCOVERY OF WEB SERVICES
4.1 UDDI
4.2 The Semantic Web Services
Contents
5 Grid Computing
1. INTRODUCTION
2. GC BASIC CONCEPTS
A. Esposito
ix
3. THE GLOBUS TOOLKIT
3.1 GT and Web Services
4. GT COMPONENTS
5. JOB MANAGEMENT
5.1 GC for HPC
6. INFORMATION SERVICES
7. DATA MANAGEMENT
6 Complex Computational Electromagnetics using Hybridisation
Techniques
R. A. Abd-Alhameed and P. S. Excell
1. INTRODUCTION
1.1 Integral Equation Methods
1.2 Differential Equation Methods
1.3 The Advantages and Disadvantages of the Methods
1.4 Hybrid Methods
1.5 Literature Review
2. OUTLINE OF THEORY AND IMPLEMENTATION OF HYBRID
METHOD
2.1 Hybrid Treatment for Homogeneous Multiple Elements
2.1.1 Hybrid MoM/MoM Treatment for Two Elements
(Sub-Matrices Iterative Technique)
2.1.2 Hybrid MoM/MoM Method for Two Elements
2.1.3 Extension of Hybrid MoM/MoM Method from
Two Elements to Multiple Elements (Field Transfer
Iterative Technique)
2.1.4 Hybrid MoM in Multiple Regions Using
3. INCIDENT WAVE EXCITATIONS IN THE FDTD METHOD
3.1 Total/Scattered Field Formulation in Three Dimensions
4. MODIFIED TOTAL/SCATTERED FIELD FORMULATION
FOR THE H YBRID TECHNIQUE
Contents
the Equivalence Principle Surface
5. VALIDATION OF TOTAL/SCATTERED FIELD
HOMOGENEOUS FDTD IN MULTIPLE REGIONS
FORMULATION IMPLEMENTATION USING
(Field Transfer Iterative Technique)
x
6. HYBRID MOM/FDTD TECHNIQUE ALGORITHM
6.1 Theoretical Formulation
6.2 Multiple-Source Scattering Problems
7. NEC/FDTD HYBRID PROGRAM
8. FAR FIELD CALCULATIONS USING THE HYBRID CODE
9.
TECHNIQUE
7 Enhanced EM software for Planar Circuits
1. INTRODUCTION
1.1 Setting and Definition of the Research Topic
1.1.1 High-Frequency Applications and Design
1.1.2 Planar Circuits and Planar Solvers
1.1.3 Some Advantages and Drawbacks of BIE-MoM Based
Planar Solvers
1.2 Methodology
1.2.1 Perfectly Matched Layer (PML) Based Green’s
Functions
1.2.2 Iterative Solvers
1.2.3 Fast Multipole Method (FMM)
1.3 Outline
2. CLASSICAL SOLUTION TECHNIQUE FOR MICROSTRIP
STRUCTURES
2.1 Geometry of the Problem
2.2 The EFIE Description
2.3 The Green’s Dyadic ( | ') ee G r r
2.3.1 Integral Representation
2.3.2 Sommerfeld-Integrals
2.4 The Method of Moments
3.
3.1
3.1.1 The Split Field Formalism
3.1.2 Complex Coordinate Stretching Formalism
3.2 Closure of Open Microstrip Substrates
Contents
NUMERICAL EXAMPLES USING THE HYBRID MoM/FDTD
FUNCTIONS FOR LAYERED MEDIA
PERFECTLY MATCHED LAYER BASED GREEN’S
D. Vande Ginste, F. Olyslager, D. De Zutter and E. Michielssen
3.2.1 Procedure and Influence on the Green’s Functions
3.2.2 Complex Thickness
3.2.3 Dispersion Relations
10. SUMMARY
The Perfectly Matched Layer Concept
xi
3.3 Series Expansion for the Green’s Dyadic ee G
3.3.1 Integral Representation
3.3.2 ee,xx G
3.3.3 ee,xy G
3.3.4 Closed-Form Expression for ee G
3.3.5 Important Remarks Concerning the Series Expansion
4. A PML-MLMFA FOR THE MODELING OF LARGE PLANAR
MICROSTRIP STRUCTURES
4.1 Introduction and Outline
4.2 Formulation of the Technique
4.2.1 The moment Matrix Written as Interactions Between
4.2.2 Plane Wave Decomposition of the Hankel Function
4.2.3 Core Equation of the PML-MLFMA for Microstrip
Structures
4.3 Implementation of the Technique
4.3.1 Construction of the MLFMA Tree
4.3.2 The Matrix-Vector Multiplication
4.4 Some Important Remarks about the Complexity of the
PML-MLFMA
4.4.1 Memory and Computational Complexity
4.4.2 Mode Trimming
4.4.3 Determination of the Sampling Rates TX, 2 l 1
n Q +
4.5 Numerical Results
4.5.1 Validation of the Method
4.5.2 Computational and Memory Efficiency
4.5.3 Application Examples
5. EXTENSIONS AND CONCLUSIONS
5.1 Extensions
5.1.1 Development of a Low-Frequency Algorithm
5.1.2 Combination of the HF- and the LF-Technique
5.1.3
5.2 Conclusions
8 Parallel Grid-enabled FDTD for the Characterization
Contents
Extension to General Multilayered Structures
L. Catarinucci, G. Monti, P. Palazzari and L. Tarricone
1. INTRODUCTION
2. INTRODUCTION TO METAMATERIALS
2.1 DNG Metamaterials
of Metamaterials 223
Elementary Current Sources
xii
3. NEGATIVE REFRACTION
4. HOW TO SYNTHESIZE A DNG MEDIUM
5. DNG MEDIA APPLICATIONS
6. MODULATED SIGNALS IN A DNG MEDIUM
6.1 Dispersion
6.2 Gaussian Pulse in a DNG Slab
7. NUMERICAL METHODS FOR METAMATERIALS
7.1 Bases for the FDTD Method
7.2 Parallel Grid-Enabled FDTD using MPI
7.3 Efficient Subgridding Technique for Parallel FDTD
Algorithms: Variable Mesh FDTD
7.4
7.5
9 A Software Tool for Quasi-Optical Systems
N. C. Albertsen, P. E. Frandsen and S. B. Sørensen
1. INTRODUCTION
2. REQUIREMENTS FOR QUASI-OPTICAL NETWORK
DESIGN
3.
4. ANALYSIS METHODS
5. USER INTERFACE - THE FRAME EDITOR
6. COMPONENTS AND OBJECTS: THE OBJECT WIZARD
7. COMPLEX COMMANDS: THE COMMAND WIZARD
8. FRAME CONNECTIONS AND 3D MODELLING
9. EVALUATION AND FUTURE EXTENSIONS
10 Cooperative Computer Aided Engineering of Antenna Arrays
A. Esposito, L. Tarricone, L. Vallone and M. Vallone
1. INTRODUCTION
2. CAE OF APERTURE ANTENNA ARRAYS
3. GRID SERVICES AND SEMANTIC GRID
4. SYSTEM ARCHITECTURE
5. THE FRAMEWORK
5.1 Introduction
5.2 Grid Infrastructure
5.3 Encapsulation into Services
Contents
FDTD Methods and DNG Materials
DNG Slabs: Reflection by and Propagation in a DNG Slab
OUTLINE OF THE SOFTWARE SYSTEM
5.4 Ontology
5.4.1 Introduction
xiii
5.4.2 Service Discovery
5.4.3 Service Orchestration
5.4.4 Service Binding
5.5 Client Application
5.5.1 Introduction
5.5.2 Service Discovery
5.5.3 Service Orchestration
5.5.4 Service Invocation
6 .
11
D. Caromel, F. Huet, S. Lanteri and N. Parlavantzas
1. INTRODUCTION
2. DISTRIBUTED OBJECTS: PROACTIVE
2.1 Basic Model
2.2 Mapping Active Objects to JVMs: Nodes
2.3 Deployment Descriptors
2.4 Group Communications
3. OO DISTRIBUTED FINITE VOLUME SOLVER
3.1 Basic Architecture of the OO Model
3.2 Distribution and Parallelization
4.
4.1 Comparison with a Fortran Implementation
4.2 Grid’5000 Experiments
5. ON-GOING AND FUTURE WORK
5.1 Application Controlled Deployment
5.2 Enhancing Modifiability Through Components
6. CONCLUSIONS
12
1. INTRODUCTION
2. CLASSIFICATION OF PARAMETRIC PROBLEMS IN CEM
2.1 “Method-level” Parametric Analysis
Contents
C. G. Biniaris and D. I. Kaklamani
D. G. Lymperopoulos, I. E. Foukarakis, A. I. Kostaridis,
2.2 “Application-level” Parametric Analysis
2.3 Population-Based Stochastic Optimisation
Software Agents for Parametric Computational
CONCLUSIONS 323
BENCHMARKS 337
Electromagnetics Applications 345
Electromagnetics on the Grid
Distributed and Object-Oriented Computational
xiv
3.
3.1 The Mobile Agent Paradigm
3.2
3.2.1 The Master Agent
3.2.2 The Worker Agent
3.3 A Brief Comparison Between MAT and MPI or PVM
4.
4.1 Mobile Agent Platform Components
4.2 Communication Mechanisms
4.3 Web-Based Infrastructure
4.3.1 Interaction With the User
4.3.2 Servlets for Front/Back-End Communication
4.4 Conformal Array Modelling: A Modified Method of Auxiliary
4.4.1 Problem Formulation
4.4.2 Overview of the Model Geometry
4.4.3 Agent Deployment Mechanisms
4.4.4 Simulation Results
4.5 Electromagnetic Penetration Through Apertures: A Resonator
Method of Moments (MoM) Model
4.5.1
4.5.2
4.5.3 Performance Results
5. INTRODUCING GENETIC SOFTWARE AGENTS
5.1 Distributed Genetic Algorithms with Agents
5.1.1 Entity Mappings
5.1.2 Parallel Processing Coordination
5.2 Proposed Architecture
5.2.1 Centralised Model
5.2.2 Decentralised Model
5.2.3 Hybrid Implementations
5.3 Conclusions
13 Web Services Enhanced Platform for Distributed Signal
Processing in Electromagnetics
1. INTRODUCTION
Contents
Mobile Agents in CEM: The Master-Worker Model
FOR PARAMETRIC CEM MODELING
A WEB-BASED MOBILE AGENT PLATFORM
Sources (MMAS) Approach
I. E. Foukarakis, D. B. Logothetis, A. I. Kostaridis,
D. G. Lymperopoulos and D. I. Kaklamani
2. WEB SERVICES IN DISTRIBUTED SAR MODELLING AND
SIGNAL PROCESSING
2.1 Platform Architecture
MOBILE SOFTWARE AGENTS 349
Parametric Simulations
Formulation of the Electromagnetic Problem
xv
2.2 Server Services
2.2.1 Node Management Service
2.2.2 Input Provider Service
2.2.3 Output Receiver Service
2.2.4 Scheduler
2.3 Node Services
2.3.1 Resource Manager Service
2.3.2 Task Executing Service
2.3.3 Remote Input Service
2.4 Other Issues
2.5 Imaging Radar Signal Processing
2.6 The Simulation Mechanism
2.7 Results and Conclusions
14 Grid-Enabled Transmission Line Matrix (TLM) Modelling
of E le ct rom a gn etic Structures
P. Russer, B. Biscontini and P. Lorenz
1. INTRODUCTION
2. THE 3D-TLM METHOD
3. MODELLING OF DIELECTRIC MEDIA
4. PARALLELIZATION OF THE TLM METHOD
4.1 Domain Decomposition
4.2 Decomposition of the TLM Algorithm
5.
5.1 The Components of the TLM-G System
5.2 The Relation Between YATWAD, YATD
and the Components of the Globus Toolkit
in the TLM-G System
6.
6.1 The Electromagnetic Performance of the TLM-G System
6.2 A Bowtie Antenna in a TLM-G System
7. THE CIRCULAR CYLINDRICAL CAVITY RESONATOR
Contents
LINE MATRIX SYSTEM
TLM-G: GRID-ENABLED TIME DOMAIN TRANSMISSION
SYSTEM AND EXAMPLES
ANALYSIS OF THE PERFORMANCE OF THE TLM-G
Glossary
Index
Advances in Information Technologies for Electromagnetics: Advances in Information Technologies for Electromagnetics.jpg
