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CCC-0112 SAND-2.

SAND-2, Neutron Flux Spectra from Multiple Foil Activation Experiment

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1. NAME OR DESIGNATION OF PROGRAM: NAME OR DESIGNATION OF PROGRAM. SAND-2. Neutron flux spectra determination by multiple foil activation - iterative method.
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2. COMPUTERS
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Program name Package id Status Status date
SAND-II CCC-0112/04 Tested 19-APR-1994

Machines used:

Package ID Orig. computer Test computer
CCC-0112/04 PC-80486 PC-80486
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3. DESCRIPTION OF PROGRAM OR FUNCTION

NATURE OF PHYSICAL PROBLEM SOLVED.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

  FORMAT: SAND-II

  NUMBER OF GROUPS: --

  NUCLIDES:
3 COVERS
Cd, B, Au

40 FOILS
Cu-63(n,a)Co-60M, Ag-109(n,g)Ag-110M, Co-59(n,a)Mn-56,
Fe-58(n,g)Fe-59, Ni-60(n,p)Co-60, Cu-63(n,a)Co-60, Ni-58(n,p)Co-58,  FP-Pu-239(n,f), Sc-45(n,g)Sc-46, Na-23(n,g)Na-24, Th-232(n,g)Th-233, U-238(n,g)U-239, Au-197(n,g)Au-198, Co-59(n,g)Co-60,
In-115(n,g)In-116M, Mn-55(n,g)Mn-56, Cu-63(n,g)Cu-64,
FP-Th-232(n,f), Zn-64(n,p)Cu-64, Fe-54(n,p)Mn-54, S-32(n,p)P-32,
Si-28(n,p)Al-28, S-34(n,a)Si-31, Mg-24(n,p)Na-24, Cl-35(n,a)P-32,
Ni-58(n,2n)Ni-57, I-127(n,2n)I-126, Zr-90(n,2n)Zr-89,
Ti-46(n,p)Sc-46, Ti-47(n,p)Sc-47, Ti-48(n,p)Sc-48, Cu-63(n,2n)Cu-62, P-31(n,p)Si-31, Fe-56(n,p)Mn-56, Al-27(n,p)Mg-27, FP-Np-237(n,f),
FP-U-238(n,f), FP-U-235(n,f), Al-27(n,a)Na-24, In-115(n,n)M.

Additional cross sections provided cover the following nuclides:
Li-6, B-10, Na-23, Co-59, Au-197, Tm-232, U-235, U-238, Np-237,
Pu-239, Cu-63.


  ORIGIN: Library distributed with the program.

  WEIGHTING SPECTRUM: --

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Neutron energy spectra are determined by an analysis of experimental activation detector data.
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4. METHODS

METHOD OF SOLUTION. An iterative perturbation method is used to obtain a 'best fit' neutron flux spectrum for a given input set of infinitely dilute foil activities. The calculational procedure consists of the selection of a known flux spectrum form to serve as  the initial approximation to the solution, and subsequent iteration  to a form acceptable as an appropriate solution. The solution is specified either as time-integrated flux (fluence) for a pulsed environment or as a flux for a steady-state neutron environment.
The SAND-II Data Library, distributed with the package contains the  following:

3 COVERS
Cd, B, Au

40 FOILS
Cu63(n,a)CO60M, Ag109(n,g)Ag110M, Co59(n,a)Mn56, Fe58(n,g)Fe59, Ni60(n,p)Co60, Cu63(n,a)Co60, Ni58(n,p)Co58, Pu239(n,f)Fp, Sc45(n,g)Sc46, Na23(n,g)Na24, Th232(n,g)Th233, U238(n,g)U239, Au197(n,g)Au198, Co59(n,g)CO60, In115(n,g)In116M, Mn55(n,g)Mn56, Cu63(n,g)Cu64, Th232(n,f)Fp, Zn64(n,p)Cu64, Fe54(n,p)Mn54, S32(n,p)P32, Si28(n,p)Al28, S34(n,a)Si31, Mg24(n,p)Na24, Cl35(n,a)P32, Ni58(n,2n)Ni57, I127(n,2n)I126, Zr90(n,2n)Zr89, Ti46(n,p)Sc46, Ti47(n,p)Sc47, Ti48(n,p)Sc48, Cu63(n,2n)Cu62, P31(n,p)Si31, Fe56(n,p)Mn56, Al27(n,p)Mg27, Np237(n,f)Fp, U238(n,f)Fp, U235(n,f)Fp, Al27(n,a)Na24, In115(n,n)M.

Additional cross sections provided cover the following nuclides:
Li6, B10, Na23, Co59, Au197, Tm232, U235, U238, Np237, Pu239, Cu63.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM. None noted.
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6. TYPICAL RUNNING TIME

TYPICAL RUNNING TIME. Estimated running time of sample problem - 2 - 3 minutes on the IBM 360/75.
CCC-0112/04
The sample problem was executed at the NEA-DB on a
66-MHz PC/80486. The CPU times required for the different programs are shown in the following table:
                  ------------------
                   Program  | Time
                    name    | (sec)
                  ------------------
                  CSTAPE*   | 13.4
                  SLACTS2   |  6.0
                  SLACTS3   |  6.0
                  SLACTS4   | 23.5
                  SLTAPE    |  0.8
                  SAND-II** | 73.6
                  ------------------
             *  Cross-section library generation
             ** including plot generation
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM.
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS.
CCC-0112/04
CSTAPE              Generates Cross-Section Data  Library for
                    Calculation of Foil Activities
SLACTS              Generates Spectral and Activites Data for
                    SLTAPE
SLTAPE              Generates Reference Spectrum Data Library
DIF                 Set of Function Routines
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9. STATUS
Package ID Status date Status
CCC-0112/04 19-APR-1994 Tested at NEADB
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10. REFERENCES

- J.G. Kelly:
  Neutron Spectrum Adjustment with SANDII Using Arbitrary Trial
  Functions
  Reactor Dosimetry: Methods, Applications, and Standardization,
  ASTM STP 1001, Harry Farrar IV and E.P. Lippincott, Eds. American
  Society for Testing & Materials, Philadelphia pp. 460-468 (1989)
- J.G. Kelly and P.J. Griffin:
  Comparison of Measured Silicon Displacement Damage Ratios with
  ASTM E-722 and NJOY Calculated Damage, SAND89-2284C
- J.G. Kelly and P.J. Griffin:
  Use of Silicon Bipolar Transistors as Sensors for Neutron Energy
  Spectra Determination, SAND91-0163A
CCC-0112/04, included references:
- F.B.K. Kam:
  Notes to User's
  (January 1969).
- B. Cross:
  SAND-II/CSTAPE (Blue Sheets)
  Memo (June 1975).
- W.N. McElroy, S. Berg, T. Crockett, and R.G. Hawkins:
  A Computer-Automated Iterative Method for Neutron Flux Spectra
  Determination by Foil Activation - Vol. I: A Study of the
  Iterative Method
  AFWL-TR-67-41 (September 1967).
- S. Berg and W.N. McElroy:
  A Computer-Automated Iterative Method for Neutron Flux Spectra
  Determination by Foil Activation - Vol. II: SAND II (Spectrum
  Analysis by Neutron Detectors) and Associated Codes
  AFWL-TR-67-41, Volume II (September 1967).
- W.N. McElroy, S. Berg:
  A Computer-Automated Iterative Method for Neutron Flux Spectra
  Determination by Foil Activation - Vol. IV: Reference Spectrum
  Library for SAND II
  AFWL-TR-67-41 (September 1967).
- S. Berg:
  Modification of SAND II
  BNWL-855 (August 1968).
- R.L. Simmons, and W.N. McElroy:
  Evaluated Reference Cross Section Library
  BNWL-1312 (May 1970).
- M.L. Eaton, and W.L. Wilcoxson:
  Estimating Strengths of Individual Radioisotopes in a Multiple
  Isotope Source
  Technical Report R-551.
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS.
CCC-0112/04
The sample problem was run at the NEA-DB on a PC DELL 466/L (processor 80486, 66 MHz) with 16 MB of RAM. A total of 4.5 MB of hard disk space are required to install the whole package.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
CCC-0112/04 FORTRAN-77
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13. SOFTWARE REQUIREMENTS

OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED.
Standard FORTRAN IV compilers may be used.
CCC-0112/04
The program was tested at NEA-DB under MS-DOS 6.0. The  source codes were compiled with the Lahey compiler F77L-EM/32 (Version 5.11) and linked with the linker 386LINK.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS.
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15. NAME AND ESTABLISHMENT OF AUTHORS

NAME AND ESTABLISHMENT OF AUTHOR.
Contributed by:
    Radiation Safety Information Computational Center
    Oak Ridge National Laboratory
    OAK RIDGE, Tennessee, U. S. A.

Developed by:
    Air Force Weapons Laboratory (RTD)
    Kirtland Air Force Base, New Mexico

    Battelle Memorial Institute Pacific Northwest Laboratory
    RICHLAND, Washington

    Atomics International
    CANOGA PARK, California

    TRW Systems Group, TRW Inc.
    REDONDO BEACH, California

    Oak Ridge National Laboratory
    OAK RIDGE, Tennessee

    Experimental and Mathematical Physics Consultants
    GAITHERSBURG, Maryland
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16. MATERIAL AVAILABLE
CCC-0112/04
File name File description Records
CCC0112_04.001 SAND-II Information file 267
CCC0112_04.002 Notes on the PRINTOUT utility 106
CCC0112_04.003 Source file for program CSTAPE 300
CCC0112_04.004 Source file for program SLACTS 410
CCC0112_04.005 Source file for program SLTAPE 156
CCC0112_04.006 Source file for program SANDII 2287
CCC0112_04.007 Source file for input checker program 228
CCC0112_04.008 Source file for SLACTS spectra set 2 93
CCC0112_04.009 Source file for SLACTS spectra set 3 168
CCC0112_04.010 Source file for SLACTS spectra set 4 208
CCC0112_04.011 Source file for program PRINTOUT 216
CCC0112_04.012 Source file for "do nothing" program 3
CCC0112_04.013 Graphics routines for SANDII 448
CCC0112_04.014 Graphics communication COMMON block 8
CCC0112_04.015 Batch file to compile and link SAND-II progs 85
CCC0112_04.016 Batch file for executing the SAND-II progrs. 40
CCC0112_04.017 Executable of program CSTAPE 0
CCC0112_04.018 Executable of program SLACTS (spectra set 2) 0
CCC0112_04.019 Executable of program SLACTS (spectra set 3) 0
CCC0112_04.020 Executable of program SLACTS (spectra set 4) 0
CCC0112_04.021 Executable of program SLTAPE 0
CCC0112_04.022 Executable of program SANDII 0
CCC0112_04.023 Executable of program PRINTOUT 0
CCC0112_04.024 Executable of program STUBLOAD 0
CCC0112_04.025 Sample input data file to run CSTAPE 2599
CCC0112_04.026 Sample input data file to run SLACTS (set 2) 30
CCC0112_04.027 Sample input data file to run SLACTS (set 3) 30
CCC0112_04.028 Sample input data file to run SLACTS (set 4) 651
CCC0112_04.029 Sample input data file to run SLTAPE 175
CCC0112_04.030 Sample input data file to run SANDII 46
CCC0112_04.031 Cross-section library file 0
CCC0112_04.032 Spectrum Library file 0
CCC0112_04.033 Library file for graphics characters 86
CCC0112_04.034 Lahey Interpreter of run-time error messages 0
CCC0112_04.035 CSTAPE sample output file 5978
CCC0112_04.036 SLACTS sample output file (spectra set 2) 1341
CCC0112_04.037 SLACTS sample output file (set 2, punched) 1310
CCC0112_04.038 SLACTS sample output file (spectra set 3) 1341
CCC0112_04.039 SLACTS sample output file (set 3, punched) 1310
CCC0112_04.040 SLACTS sample output file (spectra set 4) 5065
CCC0112_04.041 SLACTS sample output file (set 4, punched) 4978
CCC0112_04.042 SLTAPE sample output file 475
CCC0112_04.043 SANDII sample output file 1638
CCC0112_04.044 DOS file-names 43
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17. CATEGORIES
  • O. Experimental Data Processing

Keywords: activation analysis, iterative methods, neutron flux, neutron spectra, perturbation theory.