ESTS0357 DASH-FP.

DASH-FP, Multicomponent Time-Dependent Concentration Diffusion

NAME, COMPUTER, PROBLEM, SOLUTION, CPU, STATUS, REFERENCES, REQUIREMENTS, LANGUAGE, OPERATING SYSTEM, OTHER RESTRICTIONS, AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM

DASH-FP.

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2. COMPUTERS

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Program name	Package id	Status	Status date
DASH-FP	ESTS0357/01	Tested	28-DEC-1995

Machines used:

Package ID	Orig. computer	Test computer
ESTS0357/01	CDC 7600	DEC VAX 6000

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3. DESCRIPTION OF PROGRAM OR FUNCTION

The program DASH-FP calculates the transient concentration of multiple diffusing species with radioactive decay.

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4. METHODS

Uses finite difference and exponential operator techniques.

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6. TYPICAL RUNNING TIME

ESTS0357/01

The program ran at NEA-DB under VAX/VMS 6.1. The source code was compiled with the DEC FORTRAN compiler version 6.2.

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9. STATUS

Package ID	Status date	Status
ESTS0357/01	28-DEC-1995	Tested at NEADB

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10. REFERENCES

Software Media NUREG/CR-0776.

ESTS0357/01, included references:

- C.E. Apperson, Jr., C.E. Lee and L.M. Caruthers:
DASH - A Multicomponent Time-Dependent Concentration Diffusion with Radioactive
Decay Program, NUREG/CR-0776, LA-7793-MS (April 1979).
- Print of Test Case - PLOT 1
- Print of Test Case - PLOT 2

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11. HARDWARE REQUIREMENTS

ESTS0357/01

The program has been installed at the NEA-DB on a DEC VAX-6000-510 computer.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
ESTS0357/01	FORTRAN

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13. SOFTWARE REQUIREMENTS

NOS.

ESTS0357/01

The program ran at NEA-DB under VAX/VMS 6.1. The source code was compiled with the DEC FORTRAN compiler version 6.2.

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

DASH-FP makes use of the proprietary CA-DISSPLA graphics software (see http://www.gaeinc.com). The graphics package in DASH-FP can be readily deleted without affecting the remainder of the code.

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15. NAME AND ESTABLISHMENT OF AUTHORS

C.E. Apperson Jr.
Los Alamos National Lab., NM (USA)

C.E. Lee
Dept. of Nuclear Eng.
Texas A and M University
College Station, TX (USA)

L.M. Carruthers
Los Alamos National Lab., NM (USA)

J.F. Shinn
Los Alamos National Lab., NM (USA)

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16. MATERIAL AVAILABLE

ESTS0357/01

File name	File description	Records
ESTS0357_01.001	Information file	442
ESTS0357_01.002	DASH source file	3671
ESTS0357_01.003	Command file to compile and link DASH	14
ESTS0357_01.004	Command file to run DASH	12
ESTS0357_01.005	Sample input file	21
ESTS0357_01.006	Sample output file	452

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17. CATEGORIES

R. Environmental and Earth Sciences

Keywords: HTGR reactors, diffusion, fission products, graphite, radioactive decay, radionuclide migration, time dependence.