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NEA-1343 ANITA.

ANITA-4, Isotope Inventories from Neutron Irradiation, for Fusion Applications

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1. NAME OR DESIGNATION OF PROGRAM:  ANITA.
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2. COMPUTERS
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Program name Package id Status Status date
ANITA-4 NEA-1343/03 Tested 09-JUL-1998

Machines used:

Package ID Orig. computer Test computer
NEA-1343/03 IBM 370 series PC Pentium 200,RISC 6000
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3. DESCRIPTION OF PROGRAM OR FUNCTION

The code computes the radioactive inventory of a material subject to neutron irradiation,  continuous or stepwise. It provides activity, atomic density, decay  heat, energy of decay gamma-rays and ingestion hazard of each nuclide; total activity, decay heat, contact dose equivalent, gamma-ray spectra, and other relevant parameters, for the irradiated material, versus cooling time. As an option, these parameters may be plotted as a function of the cooling time.
The code is provided with a complete data base allowing to perform calculations for all the elements with atomic number smaller than 84 (up to bismuth). The cross-sections and the decay data library have been developed in view of the application to fusion technology.
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4. METHOD OF SOLUTION

The mathematical solution of the problem is given in analytical form using recurrence relations. Double precision arithmetic is used.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME:  A few seconds to some minutes.
NEA-1343/03
The test case included in the package was executed by the NEA Data Bank on a PC/200MHz in 3.4sec; and on a IBM RISC/6000 workstation in 2.5sec.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS

   NUCLIST - prints the content of the decay data library
DISCHO - may be used to provide graphical display of the results              of ANITA
NEODIR - reads the activation cross section library in EBCDIC              form and build a Direct Access Library for ANITA
NEOLIST - prints the content of Direct Access cross section              library
ZZ-GEAF-1 - 100 groups European Activation File
NEA-1343/03
The following programs are included with the package: MODBIN (formerly NEODIR) builds a direct access binary library from a card image activation file; GRANITA (formerly DISCHO) produces graphical output (in encapsulated PostScritpt format) from the inventory file generated by ANITA-4.
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9. STATUS
Package ID Status date Status
NEA-1343/03 09-JUL-1998 Tested at NEADB
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10. REFERENCES

- C. Ponti:
  Calculation of Radioactive Decay Chains Produced by Neutron
  Irradiation
  EUR 9389 (1984).
- C. Ponti:
  Validation of Activation Inventory Codes
  Paper presented at the Techn. Committee on Selected Aspects of
  Fusion Reactor Safety, Jackson, USA (1989).
- J. Kopecky and H.A.J. Van Der Kamp:
  Evaluation of Cross-Sections and Uncertainties for Important
  Reactions - A Supplement to REAC-ECN-5 Data File.
  ECN-89-181.
- D. Cepraga et al.:
  Activation of TZM and Stainless Steel Divertor Materials in the
  NET Fusion Machine
  Reprinted from Journal of Nuclear Materials 212-215 (94) 644-648
- D. Cepraga et al.:
  Neutron Transport, Activation Calculations and Sensitivity
  Analyses for ITER-EDA
  (Safety & Environment Meeting, October 10-14, 1994)
NEA-1343/03, included references:
- C. Ponti and S. Stramaccia:
  ANITA - Analysis of Neutron Induced Transmutation and Activation
  EUR 12622 (1989).
- D.G. Cepraga, G. Cambi, M. Frisoni and G.C. Panini:
ANITA-4: A Code for Material Irradiation Characterization in
Fusion Neutron Spectra
Draft Manual (June 1998)
- D.G. Cepraga, G. Cambi, M. Frisoni and F. Carloni:
Fusion-Related Materials Decay Heat Evaluatoin: A Comparison
with Experiments
Invited Paper
American Nuclear Society, 1998 Annual Meeting
13th Topical Meeting on the Technology of Fusion Energy
June 7-11, 1998 - Nashville TN (Preprint)
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11. MACHINE REQUIREMENTS

The program itself requires about 1250 Kbytes. With buffers, it has been running in a memory region of 1500 Kbytes. It uses nine I/O channels, including standard input (5) and  standard output (6). On unit 3 a direct access file is allocated, so it must reside on a disc.
NEA-1343/03
The program has been installed by the NEA Data Bank on a PC with Intel Pentium 200MHz processor and on an IBM RISC/6000 Workstation.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-1343/03 FORTRAN-77, FORTRAN-90
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  MVS on AMDAHL computer.
NEA-1343/03
The PC installation was done under MS-DOS (Windows 95) with  Lahey f77 5.2 and f90 3.50a compilers. The IBM RISC/6000 installation was done under AIX 3.2 with the xlf compiler.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

Dr. Dan-Gabriel CEPRAGA
ENEA - Centro Ricerche
Energia 'E. Clementel'
INN-FIS-MACO
Via Don Fiammelli 2
I-40129 BOLOGNA
Italy
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16. MATERIAL AVAILABLE
NEA-1343/03
MISTPMaterial for ANITA
REPPTEUR12622 EN (1989) PREPRINT
REPPTDRAFT MANUAL (June 1998)
PAPPTAm.Nucl.Soc. 1998 Annual Meeting (June 98)
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17. CATEGORIES
  • D. Depletion, Fuel Management, Cost Analysis, and Power Plant Economics
  • X. Magnetic Fusion Research

Keywords: decay heat, fusion reactors, ingestion, inventories, irradiation, isotope production, radioactive decay.