NEA-0026 SMOG.

SMOG, Optical Model Neutron Cross-Sections with Fox-Goodwin Integral Method

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, AUXILIARIES, STATUS, REFERENCES, REQUIREMENTS, LANGUAGE, OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: SMOG.

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2. COMPUTERS

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Program name	Package id	Status	Status date
SMOG	NEA-0026/03	Tested	25-FEB-1985

Machines used:

Package ID	Orig. computer	Test computer
NEA-0026/03	IBM 3081	IBM 3081

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3. NATURE OF PHYSICAL PROBLEM SOLVED

Neutron cross section evaluation by means of optical model.

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4. METHOD OF SOLUTION: For numerical integration the Fox-Goodwins method is used.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM: Angular momentum less than or equal to 20.

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6. TYPICAL RUNNING TIME

1 minute for IBM 704, 10 seconds for IBM 7094. NEA 0026/03: 2.6 CPU seconds on IBM 3081K for test case with 3 nuclides, 4 energies, 18 angles.

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7. UNUSUAL FEATURES OF THE PROGRAM: Many types of optical potential are allowed.

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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS

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9. STATUS

Package ID	Status date	Status
NEA-0026/03	25-FEB-1985	Tested at NEADB

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10. REFERENCES

- F. Fabbri:
SMOG Programme (revised version)
Programming Note, ENEA Bologna.

NEA-0026/03, included references:

- V. Benzi, F. Fabbri and A.M. Saruis:
  SMOG - Un programma per il calcolo dei parametri di integrazione
  neutrone-nucleo con il modello ottico
  CEC/63-61-SU-04 (February 1963) (in Italian).
- Program Note:
  SMOG Programme (revised version) (7 pages)

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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS

NEA-0026/03

110K bytes on IBM 3081K.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0026/03	FORTRAN-IV

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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED: IBM MVS-SP.

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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 AUTHOR

     F. Fabbri, A.M. Saruis
     Centro di Calcolo dell' ENEA
     Via Mazzini 2
     Bologna (Italy)

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16. MATERIAL AVAILABLE

NEA-0026/03

File name	File description	Records
NEA0026_03.003	INFORMATION FILE	47
NEA0026_03.004	SMOG SOURCE PROGRAM (FORTRAN-4)	665
NEA0026_03.005	JCL CONTROL FILE	81
NEA0026_03.006	TEST CASE INPUT DATA	85
NEA0026_03.007	TEST CASE PRINTED OUTPUT	996

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17. CATEGORIES

A. Cross Section and Resonance Integral Calculations

Keywords: cross sections, neutrons, numerical solution, optical models.