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last modified: 24-MAR-1981 | catalog | categories | new | search |

NEA-0521 PAS-1.

PAS-1, 2-D, 3-D Linear Static and Dynamic Stress Analysis with 2-D Steady-State Temperature Distribution

NAME OR DESIGNATION OF PROGRAM, COMPUTER, NATURE OF PHYSICAL PROBLEM SOLVED, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, FEATURES, AUXILIARIES, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED, ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHOR, MATERIAL, CATEGORIES
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1. NAME OR DESIGNATION OF PROGRAM:  PAS-1.
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2. COMPUTERS
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Program name Package id Status Status date
PAS-1 NEA-0521/01 Tested 24-MAR-1981

Machines used:

Package ID Orig. computer Test computer
NEA-0521/01 CDC 7600 CDC 7600
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Linear static and dynamic structural analysis for two and three dimensional problems. Two dimensional steady-state temperature distribution.
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4. METHOD OF SOLUTION

Frontal solution for static problems and simultaneous iteration method for dynamic analysis.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

- Two dimensional analysis max n of elements = 1000
                           max n of nodes    = 3000
- three dimensional analysis
   a) solid elements max n of elements = 1000
                     max n of nodes = 2000
   b) beam elements  max n of elements = 100
                     max n of nodes = 1000
- maximum frontwidth 200
- maximum number of active variables 4000
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6. TYPICAL RUNNING TIME

CPU time n of elements n of nodes frontwidth n of active n of frequencies
                                              Variables
  1 s          20           21         18        102       static
21 s          80           81         18        462         10
50 s         290          798         78       1580       static
60 s         230          715        115       1250       static
79 s          60          503        126       1290       static
350 s          68          448        200       1100         10
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0521/01 24-MAR-1981 Tested at NEADB
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10. REFERENCES: - CISE Report N-179.
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11. MACHINE REQUIREMENTS

- High speed storage (SCM) 24 k-words
- speed storage (LCM) 58 k words
- scratch files 13
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0521/01 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  Standard
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14. ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:  The programme has an overlay structure.
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15. NAME AND ESTABLISHMENT OF AUTHOR

       E. Bon, L. Brusa, R. Ciacci, A. Greco
       CISE - Casella Postale 3896
       20100 Milan(Italy).
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16. MATERIAL AVAILABLE
NEA-0521/01
File name File description Records
NEA0521_01.001 PAS-1 SOURCE 16937
NEA0521_01.002 INPUT CASE 1 21
NEA0521_01.003 INPUT CASE 2 19
NEA0521_01.004 INPUT CASE 3 21
NEA0521_01.005 INPUT CASE 4 27
NEA0521_01.006 INPUT CASE 5 28
NEA0521_01.007 INPUT CASE 6 22
NEA0521_01.008 OUTPUT CASE 1 179
NEA0521_01.009 OUTPUT CASE 2 201
NEA0521_01.010 OUTPUT CASE 3 635
NEA0521_01.011 OUTPUT CASE 4 723
NEA0521_01.012 OUTPUT CASE 5 439
NEA0521_01.013 OUTPUT CASE 6 717
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17. CATEGORIES
  • D. Depletion, Fuel Management, Cost Analysis, and Power Plant Economics
  • I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies

Keywords: dynamic loads, iterative methods, static loads, steady-state conditions, stress analysis, temperature distribution, three-dimensional, two-dimensional.