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NESC0264 VARI-QUIR-3.

VARI-QUIR-3, 2-D MultiGroup Steady-State Neutron Diffusion in X-Y R-Z or R-Theta Geometry

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1. NAME OR DESIGNATION OF PROGRAM:  VARI-QUIR-3.
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2. COMPUTERS
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Program name Package id Status Status date
VARI-QUIR-3 NESC0264/01 Tested 01-AUG-1967

Machines used:

Package ID Orig. computer Test computer
NESC0264/01 IBM 7094 IBM 7094
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3. NATURE OF PHYSICAL PROBLEM SOLVED

The steady-state, multigroup, two-dimensional neutron diffusion equations are solved in x-y, r-z, and r-theta geometry.
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4. METHOD OF SOLUTION

A Gauss-Seidel type of solution with inner and outer iterations is used. The source is held constant during the inner iterations.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM
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6. TYPICAL RUNNING TIME

The running time is a function of the type of  problem and the degree of convergence wanted.
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7. UNUSUAL FEATURES OF THE PROGRAM

VARI-QUIR3 has complete variable dimensions at execution time.
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8. RELATED AND AUXILIARY PROGRAMS:  VARI-QUIR (ACC Abstract 212).
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9. STATUS
Package ID Status date Status
NESC0264/01 01-AUG-1967 Tested at NEADB
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10. REFERENCES

- G. Collier, C.E. Rieck, and J.W. Riese:
  VARI-QUIR A Two-Dimensional Time-Dependent Multi-Group Diffusion Code.
  WANL-TNR-133 revised, December 1965
- G. Collier and J.W. Riese:
  VARI-QUIR III Inclusion of the R-Theta Geometry.
  WANL-TME-1526, October 1966
- G. Collier and J.W. Riese:
  VARI-QUIR III, A Two-Dimensional Steady State Multi-Group Diffusion Code.
  WANL-TNR-189, December 1964
- A.H. Killinger and G.B. Killinger:
  Double Interpolation Subroutine.
  Westinghouse Analytical Department Report 62-1002, January 1962
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS.  32k memory.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NESC0264/01 FORTRAN-IV
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13. SOFTWARE REQUIREMENTS

OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED.
IBSYS operating system.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS.
The auxiliary routine POTLUK generates a flux and adjoint guess for  a VARI-QUIR problem whose internal region boundaries are different from those of a previous problem using the flux and adjoint from that problem. This enables users to vary the interfaces at will and  still optimize running time. VARI-QUIR III requires a double interpolation subroutine.
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15. NAME AND ESTABLISHMENT OF AUTHORS

NAME AND ESTABLISHMENT OF AUTHOR.
                 George Collier
                 Reactor Physics and Mathematics
                 Westinghouse Astronuclear Laboratory
                 P. O. Box 10864
                 Pittsburgh, Pennsylvania  15236.
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16. MATERIAL AVAILABLE
NESC0264/01
File name File description Records
NESC0264_01.001 INFORMATION 2
NESC0264_01.002 SOURCE & DATA 7094/F4 1836
NESC0264_01.003 POTLUK 494
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17. CATEGORIES
  • C. Static Design Studies

Keywords: diffusion equations, flux distribution, multigroup, r-theta, r-z, reactivity, two-dimensional, x-y.