last modified: 12-SEP-1983 | catalog | categories | new | search |

NESC9994 COIFES.

COIFES, Structure Graphics for Finite Elements Method Using Hidden Line Technique

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1. NAME OR DESIGNATION OF PROGRAM:  COIFES.
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2. COMPUTERS
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Program name Package id Status Status date
COIFES NESC9994/01 Tested 12-SEP-1983

Machines used:

Package ID Orig. computer Test computer
NESC9994/01 CDC 7600 CDC 7600
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3. DESCRIPTION OF PROBLEM OR FUNCTION

Structural graphics program using the hidden line technique. Removes hidden lines from objects consisting of mixed sets of non-intersecting polyhedra and polygons.
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4. METHOD OF SOLUTION:
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME

NEA-DB required following CPU times to execute the test case on CDC 7600:
                          CPREP:     1.7 seconds
                          COIFES:    10.5 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
NESC9994/01 12-SEP-1983 Tested at NEADB
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10. REFERENCES:
NESC9994/01, included references:
- J.J. Gordon and C.L. Goodzeit:
  COIFES - An Efficient Structural Graphics Program Using the Hidden
  Line Technique
  Reprint from Computers and Structures 12(1980) 699-712.
- L. Eyberger:
  COIFES Implementation Instructions
  NESC Note 83-994 (December 14, 1982).
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11. MACHINE REQUIREMENTS

To execute the test case on CDC 7600, storage requirements are as follows:
CPREP:    10630 octal words (SCM);   66550 octal words (LCM)
COIFES:   14060 octal words (SCM);  263660 octal words (LCM).
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NESC9994/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  SCOPE 2.1.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHOR

James J. Gordon and Carl L. Goodzeit
Brookhaven National Laboratory
Upton, N.Y. 11973, U.S.A.
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16. MATERIAL AVAILABLE
NESC9994/01
File name File description Records
NESC9994_01.003 COIFES INFORMATION FILE 20
NESC9994_01.004 COIFES JCL & DUMMY SUBROUTINES 64
NESC9994_01.005 COIFES SOURCE (FORTRAN-4) 1490
NESC9994_01.006 CPREP SOURCE (FORTRAN-4) 279
NESC9994_01.007 CPREP TEST CASE INPUT DATA 1751
NESC9994_01.008 COIFES TEST CASE OUTPUT 21
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17. CATEGORIES
  • I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies

Keywords: finite element method, stress analysis, structural beams.