NEA-0373 BEST-4.

BEST-4, Fuel Cycle and Cost Optimization for Discrete Power Levels

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, FEATURES, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE 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: BEST-4.

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2. COMPUTERS

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Program name	Package id	Status	Status date
BEST-4	NEA-0373/01	Tested	01-JUL-1973

Machines used:

Package ID	Orig. computer	Test computer
NEA-0373/01	IBM 370 series	IBM 370 series

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3. NATURE OF PHYSICAL PROBLEM SOLVED

Determination of optimal power strategy for a fuel cycle, for discrete power levels and n temporal stages, taking into account replacement energy costs and derating.

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4. METHOD OF SOLUTION: Dynamic programming.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Restrictions may arise from number of power levels and temporal stages, due to machine limitations.

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6. TYPICAL RUNNING TIME

One minute for a problem with 20 temporal stages and 10 power levels.

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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM

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8. RELATED AND AUXILIARY PROGRAMS: SPES.

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9. STATUS

Package ID	Status date	Status
NEA-0373/01	01-JUL-1973	Tested at NEADB

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10. REFERENCES

- P. Civita, P. Fornaciari, T. Mazzanti:
'Optimal Operational Strategy in Nuclear Fuel Management'
Nuclear Technology, Vol.14 (May 1972).

NEA-0373/01, included references:

- BEST-4 - Optimization of Nuclear Power Plant Operation by the
Modern Techniques of System Engineering
0.02/12/70 (November 1970) + Attachment No.1

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11. MACHINE REQUIREMENTS: 64k main storage.
Line printer.
Drum.

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12. PROGRAMMING LANGUAGE(S) USED