Computer Programs

NEA-0322 DTF4-J.

NEA-0322 DTF4-J.

DTF4-J, 1-D Neutron Transport with Anisotropic Scattering by Sn Method

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, SOLUTION, RESTRICTIONS, TYPICAL RUNNING TIME, FEATURES, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: DTF4-J.

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2. COMPUTERS

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Program name	Package id	Status	Status date
DTF4-J	NEA-0322/01	Tested	01-DEC-1971

Machines used:

Package ID	Orig. computer	Test computer
NEA-0322/01	IBM 360 series	IBM 360 series

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3. NATURE OF PHYSICAL PROBLEM SOLVED

DTF-4-J solves the one-dimensional multi-group transport equation with anisotropic scattering by Sn method. It is a FORTRAN adaptation of the Los Alamos DTF-IV program written by K.D. Lathrop, and it is combined with the JAERI SIMPLED-4 program written by H. Nishimura.

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4. METHODS: METHOD OF SOLUTION

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

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6. TYPICAL RUNNING TIME

About 7 minutes for S4, transport approximation, 2 regions and 50 mesh intervals problem on the IBM 360/75 computer.

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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM

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8. RELATED AND AUXILIARY PROGRAMS: DTF-IV, SIMPLED-4.

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9. STATUS

Package ID	Status date	Status
NEA-0322/01	01-DEC-1971	Tested at NEADB

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10. REFERENCES

- K.D. Lathrop:
  DTF-IV, A FORTRAN-IV Program for Solving the Multi-Group
  Transport Equation with Anisotropic Scattering
  LA-3373, July 1965.
- H. Nishimura:
  One-Dimensional Diffusion and Perturbation Code, SIMPLE-D (no.4),  JAERI-Memo 4381, March 1971.
- H. Nishimura:
  DTF-4-J, The DTF-IV Code Linked with JAERI-Fast, ABBN and RCBN
  Set, JAERI-Memo 4379 (unpublished), March 1971.
- R. Douglas O'Dell and Raymond E. Alcouffe:
  Transport Calculations for Nuclear Analyses: Theory and
  Guidelines for Effective Use of Transport Codes
  LA-10983-MS and UC-32 (September 1987)

NEA-0322/01, included references:

- H. Nishimura:
DTF-4-J, A One-Dimensional Transport Code using the JAERI-FAST, ABBN, and RCBN
sets, JAERI-M 4991 (September 1972)

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11. MACHINE REQUIREMENTS

Core memories occupied about 60k words.
1 magnetic tape unit and 6 scratch units are required.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0322/01	FORTRAN-IV

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13. SOFTWARE REQUIREMENTS: OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED

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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

      Hideo Nishimura
      JAERI
      Tokai-mura, Naka-gun
      Ibaraki-ken, Japan.

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16. MATERIAL AVAILABLE

NEA-0322/01

File name	File description	Records
NEA0322_01.001	INFORMATION	4
NEA0322_01.002	SOURCE PROG.+OVERLAY,DD CARDS+INPUT DATA	2839
NEA0322_01.003	PRINTED OUTPUT	4599

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17. CATEGORIES

C. Static Design Studies

Keywords: SN method, anisotropic scattering, diffusion, discrete ordinate method, multigroup, one-dimensional, perturbation theory, transport theory.