PdnMesh: A Tutorial Introduction

(Finite Element Program)

Sarod Yatawatta

<sarod@users.sf.net>

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts.

Table of Contents

1. Installation and Running the Program

1.1. Introduction

1.2. The Program Internals

1.3. Program Input

1.4. Program Output

1.5. Installing the program

1.6. Running the program

1.7. PdnMesh Graphical User Interface

1.7.1. File Menu
1.7.2. Solve Menu
1.7.3. View Menu
1.7.4. Popup Menu

2. Input File Creation

2.1. Typical problems

2.2. Boundary Conditions

2.3. File Format

2.3.1. A Simple Example
2.3.2. Points
2.3.3. Edges
2.3.4. Boundaries

2.4. Fine Tuning

3. Converting DXF Files

3.1. A Worked Example
3.2. Editing Points
3.3. Editing Lines
3.4. Editing Boundaries

Further Information

Index

List of Tables
1-1. Command Line options

List of Figures
1-1. The contour plot
1-2. 3D contour plot
1-3. The gradient plot
1-4. The mesh
1-5. Solve Options Dialog
1-6. Triangle Info Dialog
2-1. A Solenoid
2-2. The problem geometry
2-3. Modified Solenoid
3-1. Magnetic Circuit
3-2. Magnetic Circuit solved
3-3. Editing Points
3-4. Editing Points Dialog
3-5. Editing Lines Dialog
3-6. Editing Boundaries
3-7. Editing Boundaries Dialog

List of Equations
2-1. Poisson Equation
2-2. Helmholtz Equation