NEA-1592 TIBSO.

TIBSO, Nuclear Transitions and Radioactivity Migration in Technological System

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHODS, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, CPU, UNUSUAL FEATURES, RELATED OR AUXILIARY PROGRAMS, STATUS, REFERENCES, REQUIREMENTS, LANGUAGE, OPERATING SYSTEM, OTHER RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: TIBSO.

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2. COMPUTERS

To submit a request, click below on the link of the version you wish to order. Only liaison officers are authorised to submit online requests. Rules for requesters are available here.

Program name	Package id	Status	Status date
TIBSO	NEA-1592/01	Tested	18-JAN-2002

Machines used:

Package ID	Orig. computer	Test computer
NEA-1592/01	IBM PC,VAX under VMS,RISC 6000,SGI W.S.	PC Pentium III 500

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3. DESCRIPTION OF PROGRAM OR FUNCTION

TIBSO follows the nuclear transition and the spatial migration of radioactive materials in an arbitrary technological system. By coupling with the codes RELAP and CONTAIN radioactive release in case of nuclear accidents can be calculated. The output can be used in environmental codes such as CRAC2.

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4. METHODS

The spatial migration is modeled by transitions between nodes. The system of first-order differential equations describing the nuclear decay and activation process and the nodal transitions is solved by numerical integration.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Due to dynamic programming techniques, only available memory can restrict the number of isotopes and nodes.

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6. TYPICAL RUNNING TIME

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7. UNUSUAL FEATURES

The program uses the nuclear libraries of ORIGEN-2 and can be coupled to it.

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8. RELATED OR AUXILIARY PROGRAMS: The nuclear libraries of ORIGEN-2 are used.

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9. STATUS

Package ID	Status date	Status
NEA-1592/01	18-JAN-2002	Tested at NEADB

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10. REFERENCES

NEA-1592/01, included references:

- P. Vertes:
Code System for Calculation of Production and Spreading of
Radioactive Isotopes (TIBSO Code) (1998)
- P. Vertes:
Examples for TIBSO applications
- P. Vertes:
Multinodal Treatment of Production, Decay and Spreadind of
Radioactive Isotopes, Nuclear Technology, Vol.128 p.124
(October 1999)

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11. HARDWARE REQUIREMENTS

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-1592/01	FORTRAN-77

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13. SOFTWARE REQUIREMENTS

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

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15. NAME AND ESTABLISHMENT OF AUTHORS

      Peter Vertes
      KFKI Atomenergie Kutato Intezet
      Institute of Atomic Energy Research
      P.O. Box 49
      1525 BUDAPEST 114, Hungary

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16. MATERIAL AVAILABLE

NEA-1592/01

doc dir.:  Manual, samples and other documents
endf6 dir.:  TLFs from ENDF6 data
library dir.:  TLFs from ORIGEN libraries
lexe.bat:  Batch making PC executables
orlibm.bat:  Batch for making TLFs from ORIGEN libraries
readme:  Instruction for installation and sample runs
sample 1 dir.:  fuel irradiation sample
sample 2 dir. : containment LOCA event
sample 3 dir.: SGTR release
sample4 dir.: display nuclear data
source dir.: source of TIBSO and auxiliary programs
tbmake: script for installation on UNIX system

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17. CATEGORIES

G. Radiological Safety, Hazard and Accident Analysis
R. Environmental and Earth Sciences

Keywords: inventories, radioactive decay, radioactive release, radionuclide migration.