NEA-0984 ETHEL.

ETHEL, Thermos Cross-Sections Library Generator Program

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: ETHEL.

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2. COMPUTERS

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Program name	Package id	Status	Status date
ETHEL	NEA-0984/01	Tested	20-MAY-1985

Machines used:

Package ID	Orig. computer	Test computer
NEA-0984/01	IBM 370 series	IBM 3081

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3. DESCRIPTION OF PROGRAM OR FUNCTION

ETHEL generates the cross section library for THERMOS. The scattering model can be chosen among different Nelkin-type models, the Wigner-Wilkin model, and the Brown-St.John model.

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4. METHOD OF SOLUTION:

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME:

NEA-0984/01

NEA-DB executed the test case included in the package on IBM 3081K in 40 seconds of CPU time.

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS:

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9. STATUS

Package ID	Status date	Status
NEA-0984/01	20-MAY-1985	Tested at NEADB

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10. REFERENCES:

NEA-0984/01, included references:

- E. Brega, O. Chiovato and F. Di Pasquantonio:
How To Use The ETHEL Code - A Program To Produce THERMOS
Library. ENEL N5/81/05 (1981)

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11. MACHINE REQUIREMENTS:

NEA-0984/01

To run the test case on IBM 3081K, 192K bytes of main storage were required.

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12. PROGRAMMING LANGUAGE(S) USED

No item found

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

NEA-0984/01

The test case executed on IBM 3081K under MVS-SP.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHORS

         E. Brega, F. Di Pasquantonio
         ENEL-CRTN
         Via Rubattino 54
         I-20137 Milan (Italy)

         O. Chiovato
         ARS S.p.A.
         Milan (Italy)

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16. MATERIAL AVAILABLE

NEA-0984/01

File name	File description	Records
NEA0984_01.003	INFORMATION FILE	36
NEA0984_01.004	ETHEL SOURCE PROGRAM (FORTRAN 4)	2634
NEA0984_01.005	JOB CONTROL INFORMATION	27
NEA0984_01.006	ETHEL TEST CASE INPUT DATA	98
NEA0984_01.007	ETHEL TEST CASE PRINTED OUTPUT	6102

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17. CATEGORIES

B. Spectrum Calculations, Generation of Group Constants and Cell Problems

Keywords: cross sections, data library, neutrons, scattering.