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Effective 26 November 2001 the Office of
Export Control Policy and Cooperation has required that the MCNP User
Manual be removed from all publicly - accessible websites.
Further review may allow us to re-post the manual someday.
The previous version of the manual has been
corrected and updated (as of Nov. 2005) to include the new features found in MCNP Version 5
(MCNP5)- RSICC_1.40. The manual has also been split into 3 volumes:
- Volume I: MCNP Overview and Theory
Chapters 1,2 and Appendices G,H
- Volume II: MCNP Users Guide
Chapters 1,3,4,5 and Appendices A,B,I,J,K
- Volume III: MCNP Developers Guide
Appendices C,D,E,F
Volume I: MCNP Overview and Theory Chapters 1, 2 and Appendices G,H
Volume I(LA-UR-03-1987) provides an overview of the capabilities of MCNP5 and a detailed
discussion of the theoretical basis for the code. The first chapter provides
introductory information about MCNP5. The second chapter describes the mathematics,
data, physics, and Monte Carlo simulation techniques which form the basis for MCNP5.
This discussion is not meant to be exhaustive - details of some techniques and
of the Monte Carlo method itself are covered by references to the literature.
Volume II: MCNP User's Guide Chapters 1, 3, 4, 5 and Appendices A, B, I, J, K
Volume II(LA-CP-03-0245) provides detailed specifications for MCNP5 input and options,
numerous example problems, and a discussion of the output generated by MCNP5.
The first chapter is a primer on basic MCNP5 use. The third chapter shows the
user how to prepare input for the code. The fourth chapter contains several
examples, and the fifth chapter explains the output. The appendices provide
information on the available data libraries for MCNP, the format for several
input/output files, and plotting the geometry, tallies, and cross-sections.
Volume III: MCNP Developer's Guide Appendices C, D, E, F
Volume III(LA-CP-03-0284) provides details on how to install MCNP on various
computer systems, how to modify the code, the meaning of some of the code
variables, and data layouts for certain arrays.
The Monte Carlo method for solving transport problems emerged from work done
at Los Alamos during World War II. The method is generally attributed to Fermi,
von Neumann, Ulam, Metropolis, and Richtmyer. MCNP, first relseased in 1977, is
the successor to their work and has been under continuous development for the past
25 years. Neither the code nor the manual is static. The code is changed as needs
arise, and the manual is changed to reflect the latest version of the code. This
particular manual refers to Version 5.
MCNP5 and this manual are the product of the combined effort of many people
in the Code Development Group (X-3) in the Applied Physics Division
(X Division) at the Los Alamos National Laboratory:
X-3 Monte Carlo Team
| Marsha Boggs |
Tim Goorley |
Cheryl Royer |
| Thomas E. Booth |
H. Grady Hughes |
Avneet Sood |
| Forrest B. Brown |
Stehpan Mashnick |
Jeremy E. Sweezy |
| Jeffrey S. Bull |
Samuela Pollack |
Anthony Zukaitis |
| R. Arthur Forster |
Richard E. Prael |
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X-5 Data Team
| Stephanie C. Frankle |
Robert C. Little |
Morgan C. White |
Technical Editors
The code and manual can be obtained from the Radiation Safety Information
Computational Center (RSICC), P.O. Box 2008, Oak Ridge, TN, 37831-6362.
Jeremy Sweezy
MCNP Team Leader
jsweezy@lanl.gov
MCNP - A General Monte Carlo N-Particle Transport Code Version 5
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