NEA-0716 CHOLESK.

CHOLESK, Diffusion Calculation with 2-D Source in X-Y or R-Z Geometry

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROBLEM 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 AUTHOR, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: CHOLESK.

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2. COMPUTERS

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Program name	Package id	Status	Status date
CHOLESK	NEA-0716/01	Tested	07-JUN-1988

Machines used:

Package ID	Orig. computer	Test computer
NEA-0716/01	CDC 6400	CDC CYBER 830

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3. DESCRIPTION OF PROBLEM OR FUNCTION

Solution of the diffusion equa- tion with source in two-dimensional geometries x-y or r-z.

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4. METHOD OF SOLUTION: The finite-element method of Ritz-Galerkin is applied.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME:

NEA-0716/01

The test case included in this package was run by NEA-DB on a CDC CYUBER 830 in 372.5 seconds of CPU time.

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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
NEA-0716/01	07-JUN-1988	Tested at NEADB

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10. REFERENCES:

NEA-0716/01, included references:

- J.P. Hennert and E.H. Mund:
  "CHOLESK - Un programme de resolution de l'equation de diffusion a
  2 dimensions par la methode des elements finis"
  Private Communication (March 1977).

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11. MACHINE REQUIREMENTS:

NEA-0716/01

The test case ran on CDC CYBER 830 in 132,600 (octal) words of main storage.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-0716/01	FORTRAN-IV

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

NEA-0716/01

NOS2.5.1 (CDC CYBER 830).

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHOR

          Universite Libre de Bruxelles
          Avenue F.D. Roosevelt, 50
          1050 Bruxelles
          Belgium

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16. MATERIAL AVAILABLE

NEA-0716/01

File name	File description	Records
NEA0716_01.001	Information file	43
NEA0716_01.002	JCL and Control information	10
NEA0716_01.003	JCL and Control information	10
NEA0716_01.004	CHOLESK source program	742
NEA0716_01.005	Sample problem input	26
NEA0716_01.006	Sample problem output	761

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17. CATEGORIES

P. General Mathematical and Computing System Routines

Keywords: differential equations, diffusion equations, finite element method, r-z, two-dimensional, x-y.