ESTS0357 DASH-FP.

DASH-FP, Multicomponent Time-Dependent Concentration Diffusion

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, 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. METHOD OF SOLUTION

Uses finite difference and exponential operator techniques.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME:

ESTS0357/01

The test case included in this package was executed by NEA-DB on a DEC VAX-6000 computer in 6 seconds.

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS:

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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. MACHINE 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. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED: 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 (United States)

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

          L.M. Carruthers
      Los Alamos National Lab.
      NM (United States)

          J.F. Shinn
      Los Alamos National Lab.
      NM (United States)

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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.