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

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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.