RSIC COMPUTER CODE PSR-064

1. NAME AND TITLE

DOMINO: A General Purpose Code System for Coupling Discrete Ordinates and Monte Carlo Radiation Transport Calculations.

2. CONTRIBUTORS

Oak Ridge National Laboratory, Oak Ridge, Tennessee.

NUS Corporation, Rockville, Maryland.

The University of Wisconsin, Madison, Wisconsin.

3. CODING LANGUAGE AND COMPUTER

Fortran IV; IBM 360/370 (A), CDC 6400 (B), UNIVAC-1110 (C).

4. NATURE OF PROBLEM SOLVED

DOMINO is a general purpose code for coupling discrete ordinates (S_n) and Monte Carlo radiation transport calculations. In particular, DOT calculations in r-z geometry may be coupled with MORSE calculations of arbitrary geometric complexity. DOMINO is essentially a data processor for the angular flux tape produced by the discrete ordinates calculation.

5. METHOD OF SOLUTION

DOMINO transforms the angular flux as a function of energy group, mesh interval, and discrete angle into current and subsequently into normalized probability distributions.

6. RESTRICTIONS OR LIMITATIONS

The discrete ordinates calculation is limited to an r-z geometry.

DOMINO requires as input the spatial mesh, angular quadrature and number of groups used in the discrete ordinates calculation. The surface (either top, bottom, or side) or the boundary number of the internal disk or cylindrical surface and the direction (in, out, up, or down) must be specified.

7. TYPICAL RUNNING TIME

On the IBM 370/165 computer, a problem consisting of 12 groups, 5 radii, and 40 angles ran in about one second.

8. COMPUTER HARDWARE REQUIREMENTS

DOMINO is operable on the IBM 360/370, CDC 6400, or UNIVAC-1110 computers.

9. COMPUTER SOFTWARE REQUIREMENTS

A Fortran IV compiler is required.

10. REFERENCES

S. J. Nathan, "Transmittal of the CDC 6400 Version of DOMINO" (October 1975).

M. B. Emmett, C. E. Burgart, T. J. Hoffman, "DOMINO, A General Purpose Code for Coupling Discrete Ordinates and Monte Carlo Radiation Transport Calculations," ORNL-4853 (July 1973).

M. M. Ragheb and B. L. McGill, "A Version of DOMINO General Purpose Code for Coupling Discrete Ordinates and Monte Carlo Radiation Transport Calculations, for the UNIVAC-1110" (February 1977). (For Version C only).

11. CONTENTS OF CODE PACKAGE

Included are the referenced documents and one (1.2MB) DOS diskette which contains the source code and sample problem input and output.

12. DATE OF ABSTRACT

February 1984.