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Cfdtd: Conformal Finite Difference Time-Domain Maxwell's Equations Solver - Software and User Guide [Multiple-component retail product]

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  • Formaat: Multiple-component retail product, 344 pages, references, index, Contains 1 Paperback / softback and 1 CD-ROM
  • Ilmumisaeg: 01-Dec-2003
  • Kirjastus: Artech House Publishers
  • ISBN-10: 1580537316
  • ISBN-13: 9781580537315
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  • Multiple-component retail product
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Cfdtd: Conformal Finite Difference Time-Domain Maxwell's Equations Solver - Software and User GuideSuurem pilt
  • Formaat: Multiple-component retail product, 344 pages, references, index, Contains 1 Paperback / softback and 1 CD-ROM
  • Ilmumisaeg: 01-Dec-2003
  • Kirjastus: Artech House Publishers
  • ISBN-10: 1580537316
  • ISBN-13: 9781580537315
Teised raamatud teemal:
Püsilink: https://www.kriso.ee/db/9781580537315.html
Märksõnad:
A powerful, full three-dimensional Maxwell's equations solver that serves as a fast and accurate tool for modelling a wide variety of antenna and arrays, waveguides, cavities and microwave circuits, as well as a useful resource for radar cross section analysis. This cutting-edge CFDTD software package combines visual languages and advanced techniques in computational electromagnetics to simulate the behaviours of complex microwave systems. Designed to handle 220 x 220 x 220 nodes, the software is well-equipped for large-size and high-frequency problems. The CD-ROM features a friendly graphical user interface, conformal techniques, graphical object input, power data-post module and interface to several popular mesh generation packages such as AutoCad, GID, FEMAP and PATRAN. The accompanying user's guide offers clear instruction on the software and describes numerous useful techniques in computational electromagnetics, such as mesh generation, absorbing boundary conditions and software development methods.
Preface xi
Part I CFDTD Software Tutorial
1(80)
Conformal FDTD Software Installation
1(6)
Software CD Explanation
1(3)
Software Installation
4(3)
Patch Antenna
7(28)
Antenna Configuration
7(1)
Creating a New Project
7(1)
Excitation Source Pulse and Initial Cell Sizes
8(3)
Computational Domain and Dielectric Layer Input
11(1)
Patch Antenna and Feed Line Input
12(3)
Far-Field Pattern Setting
15(1)
Source Excitation of the Feed Line
16(1)
Aperture Field Distribution
17(1)
Boundary Condition
17(2)
Mesh Design
19(2)
Project File Saving
21(1)
FDTD Simulation
22(2)
Data Processing and Result Display
24(8)
Conductivity and Permittivity Distributions
32(3)
Reference
34(1)
Circular Patch Antenna
35(16)
Excitation Source and Cell Size Setting
36(1)
Setting the Computational Domain
37(1)
Inputting Objects
38(2)
Outputting the Parameters
40(1)
Mesh Generation
41(1)
Setting the Boundary Condition
42(1)
Saving the Project
42(2)
Simulating the Project
44(1)
Conformal Mesh Distribution
45(1)
Permittivity and Conductivity Distributions
46(1)
Data Processing
47(4)
References
50(1)
Circular Horn Antenna
51(24)
Introduction
51(1)
Source Property and Initial Cell Size Setting
51(2)
Circular Horn Antenna Design
53(4)
Circular Waveguide Excitation Source
57(1)
Infinite Circular Waveguide Truncation
58(1)
Output Setting
59(2)
Mesh Generation
61(2)
Boundary Condition
63(1)
Project File Generation
63(1)
FDTD Simulation
64(1)
Result Display
65(3)
Time Varying Field Distribution on a Plane
68(1)
Conformal Mesh and Conductivity Display
69(6)
Reference
74(1)
Troubleshooting
75(6)
Installation Problems
75(1)
Simulation Problem
76(2)
Everything Seems Okay, but the Code Exits Immediately (or No Output)
76(1)
Problem: Unstable Result
76(1)
Problem: Result Not Accurate
77(1)
Problem: Result Is Wrong
77(1)
Problem: No Output From the FDTD Simulation
78(1)
Problem: CFDTD Software Cannot Find the Necessary Input Files
78(1)
Problem: CFDTD Software Cannot Find the Project File
78(1)
Object Input Problem
78(1)
Polygon and Stripline
78(1)
Arbitrarily Oriented Object
78(1)
Problem: Cannot Draw a Coax Feed Line
79(1)
Result Display
79(1)
Problem: Result Shape Looks Fine but It Is Upside Down
79(1)
Problem: Solution Not Convergent
79(1)
Problem: Solution Not Symmetric for a Symmetric Structure
79(1)
Guidelines: Conformal Technique
79(1)
Problems with External Objects
80(1)
Problem: Cannot Load an External Object
80(1)
Problem: Cannot Load an AutoCad File
80(1)
Software Update
80(1)
Problem: Cannot Update the Package
80(1)
Problem: Cannot Run the Existing Projects Using the Updated Version
80(1)
Other Comments
80(1)
Part II Conformal FDTD Software Manual
81(116)
CFDTD Software Introduction
81(8)
General Information
81(1)
Examples
82(3)
File Formats Used in This Software Package
85(4)
Object Types
89(38)
List of Object Types
89(2)
Computational Domain
91(1)
Frequently Used 2-D Objects
92(7)
Rectangle
92(1)
Cylinder
93(1)
Ring
94(2)
Triangle
96(1)
Hexagon
97(1)
Stripline
98(1)
Polygon
98(1)
2-D Special Antennas
99(8)
Spiral Antenna
99(2)
Vivaldi Antenna-1
101(1)
Vivaldi Antenna-2
102(1)
Notch Antenna
103(2)
Triangular Bowtie Antenna
105(1)
Circular Bowtie Antenna
106(1)
Polygon Inputted from a Data File
107(2)
3-D Objects
109(8)
3-D Cylinder
109(1)
3-D Ring
110(1)
Rectangular Waveguide Transition
111(1)
Circular Waveguide Transition
112(2)
Parabolic Reflector Antenna
114(1)
Parabolic Cylinder Reflector Antenna
115(1)
3-D Polygon
116(1)
External Objects
117(3)
Polygon_Acad and Stripline_Acad
120(3)
Making an Array
123(2)
Geometry Viewing
125(2)
References
126(1)
Object Modification
127(6)
Modifying an Object
127(3)
Inserting an Object
130(1)
Copying and Pasting an Object
131(1)
Deleting and Restoring an Object
132(1)
Excitation Sources
133(14)
Excitation Source Properties
133(3)
Plane-Wave Source
136(1)
Electric and Magnetic Field Sources
137(1)
Lumped Element
137(2)
Source with an Internal Resistance
139(1)
Input Port
140(2)
Rectangular Waveguide Source
142(2)
Circular Waveguide Excitation
144(1)
Excitation Source for a Periodic Structure
145(2)
References
146(1)
Boundary Conditions
147(8)
Introduction
147(3)
Terminator
150(2)
PEC and PMC Mirrors
152(1)
Ground
153(2)
References
154(1)
Output Parameters
155(6)
Field at a Point
155(1)
Time-Domain Field Distribution on a Plane
155(1)
Frequency-Domain Field Distribution on a Plane
156(1)
Time-Domain Current Distribution on a Plane
157(1)
Frequency-Domain Current Distribution on a Plane
157(1)
Current on a PEC Object
158(1)
Voltage in Time Domain
159(1)
Output Port
159(1)
Antenna Directivity and Gain
160(1)
Antenna Directivity
160(1)
Antenna Gain
160(1)
Reference
160(1)
Mesh Generation
161(8)
Uniform Mesh
161(1)
Nonuniform Mesh
161(4)
Global Nonuniform Mesh
164(1)
Local Nonuniform Mesh
164(1)
Disabling an Object Mesh
165(1)
Adding a Virtual Mesh Region
165(1)
Subregion Information
166(1)
Global Information
167(2)
References
168(1)
The CFDTD Simulation
169(4)
Running a Single Project
169(2)
Organizing a Batch File
171(1)
Running a Batch File
172(1)
Conformal Mesh Viewer
173(6)
Button and Menu Introduction
173(2)
Conformal Mesh Viewer
175(1)
Conductivity Display
176(1)
Permittivity Display
177(2)
Result Display
179(18)
Introduction
179(1)
Starting Result Display Module
179(2)
Introduction to Buttons and Menus
181(3)
Buttons
181(1)
Menus
182(2)
Output Parameters
184(1)
2-D Picture Operations
185(6)
Adjusting Axis Range
185(2)
Editing Picture Title
187(2)
Editing Axis Labels
189(1)
Editing Legend
189(1)
Copying Pictures
190(1)
Multicurve Display
190(1)
3-D Picture Operations
191(6)
Mesh and Solid Surfaces
191(1)
Animating a Field or Current Distribution in the Time Domain
192(2)
Editing Color Bar
194(1)
Normalizing Display Color
194(1)
Setting Animation Speed
194(1)
Contour Map
195(1)
Zooming the Picture In and Out
196(1)
Part III Engineering Applications of Conformal FDTD Software
197(62)
Data Processing
197(4)
S-Parameter Calculation
197(2)
Scattering Parameter Calculation
197(1)
Scattering Parameter Calculations Using Prony's Method
198(1)
Hamming Window Function
199(2)
Reference
200(1)
Engineering Applications of CFDTD Software Package
201(58)
Periodic Boundary Condition
201(5)
Dispersive Medium
206(5)
Gain of a Circular Patch Antenna
211(2)
T-Stub Planar Microwave Filter
213(3)
Slot Antenna Backed by a Cavity
216(5)
Waveguide Slot Antenna
221(4)
Cavity-Slot Antenna
225(9)
Circular Loop
234(4)
Corner Reflector
238(4)
Rectangular Horn Antenna
242(4)
Water-Drop Slot Antenna
246(2)
Waveguide Slot Antenna Array
248(2)
Parabolic Reflector Antenna
250(2)
Square Patch Antenna with Corner Cuts
252(3)
Coupled Lines
255(4)
References
258(1)
Part IV FDTD Techniques
259(28)
The FDTD Methods
259(20)
Introduction
259(3)
Nonuniform FDTD
262(1)
Excitation Source
263(2)
Conformal FDTD Technique
265(2)
Curved Dielectric Surface Approximation
267(1)
Near-to-Far-Field Transformation Techniques
268(3)
Closed Huygens' Box
268(2)
Aperture Distribution
270(1)
Absorbing Boundary Condition
271(5)
Mur's Absorbing Boundary Condition
271(1)
PML
272(2)
Stability Characteristics of the Absorbing Boundary Condition
274(2)
Source Code Demonstration
276(3)
References
277(2)
Conformal Mesh Techniques
279(8)
Conformal Mesh Technique for a Planar Structure
279(3)
Mesh Generation for Arbitrary 3-D Objects
282(5)
References
286(1)
Part V Conformal FDTD Software Development
287(24)
Development of Graphical User Interface
287(24)
Introduction of Visual Basic
287(7)
Connection of Interface to FDTD Executable Files
294(2)
Description of the Software Package
296(2)
Graphical User Interface Techniques
298(6)
Mesh Generation and Conformal Mesh
304(4)
File Handling
308(1)
Project File Format
308(1)
Connection to GID, PATRAN, and FEMAP
309(2)
References
310(1)
List of Acronyms 311(2)
About the Authors 313(2)
Index 315