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Reference Manual...

This manual reflects NEDlab Version 1.27 software...

Copyright 1993 by John L. Orthel. All rights reserved. No part of this work covered by the copyrights herein may be reproduced by any means - graphic, electronic, or mechanical, including photocopying, recording, taping, or information retrieval systems - without prior written permission of the author This edition updated in October 2000 by AccelSoft Inc. AccelSoft Inc. a subsidiary of G. H. Gillespie Associates, Inc. P.O. Box 2813 Del Mar, California, 92014 (858) 677-0133 Third Printing October 2000 NEDlabTM is a trademark of G. H. Gillespie Associates, Inc. Apple, Finder, Macintosh, Multifinder, and QuickDraw are trademarks of Apple Computer, Inc. Other names and products are trademarks of their respective owners....

Printed in the United States of America...

The Numerical Electrodynamics Laboratory program, NEDlabTM, is a 2.5 dimensional (cylindrical or Cartesian) particle and field simulation program featuring a (Graphical User Interface) GUI for highly interactive problem solving. Field solutions are Laplace, Poisson, Poisson-Boltzmann (for plasma sheath extraction problems), or full Maxwell equations, while particles are treated with multi species particle-in-cell, ray trace, or fluid modules. The ray trace and fluid algorithms may be iterated to self-consistency between applied fields and self fields of the particles. Complex antenna, conductor, and emitter geometry may be input by NEDlab's graphical draw/paint tools, from scans, or other commercially available drawing packages. Integrated plotting capability and help screens are readily available from menus. NEDlab has been applied to electron guns, positive and negative ions sources, rf tubes, accelerator cavities, waveguides, and other problems....

Table of Contents...

Preface ..............................................................................................vii 1 Introduction.....................................................................................1 2 Algorithms......................................................................................4 2.1 Geometry.....................................................................................4 2.2 Static Solutions ..............................................................................5 2.2.1 Laplace Equation..........................................................................5 2.2.2 Poisson Equation.....................

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