last modified: 01-JUL-1976 | catalog | categories | new | search |

NEA-0444 SCARF-4.

SCARF-4, Nonlinear Stresses in Pressure Vessel Liner with Plastic Behaviour Simulation

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1. NAME OR DESIGNATION OF PROGRAM:  SCARF-4.
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2. COMPUTERS
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Program name Package id Status Status date
SCARF-4 NEA-0444/01 Tested 01-JUL-1976

Machines used:

Package ID Orig. computer Test computer
NEA-0444/01 IBM 370 series IBM 370 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Calculates non-linear stresses in a pressure vessel liner, simulating plastic behaviour on both panels and shear connectors.
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4. METHOD OF SOLUTION

Iterations on the relevant formulae to obtain values of forces and deflections, adding a displacement factor when  yielding has occurred.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

It is assumed that the left-hand end-load will stay constant throughout each loading cycle. Number of panels must be less than or equal to 62.
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6. TYPICAL RUNNING TIME
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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. Supersedes SCARF-3. Free-format I/O routine DECIN.
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9. STATUS
Package ID Status date Status
NEA-0444/01 01-JUL-1976 Tested at NEADB
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10. REFERENCES
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11. HARDWARE REQUIREMENTS

MACHINE REQuIREMENTS - Logical unit numbers 5 and 6 used for input and output respectively.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0444/01 FORTRAN+ASSEMBLER
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  IBM 360/OS.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHOR

     A. Chadwick
     N.P.C. Ltd.
     Warrington Road
     Risley Warrington
     Cheshire WA3 6BZ United Kingdom
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16. MATERIAL AVAILABLE
NEA-0444/01
File name File description Records
NEA0444_01.001 SOURCE PROGRAM (F4) EBCDIC 275
NEA0444_01.002 RISLEY ROUTINES (FORTRAN) EBCDIC 711
NEA0444_01.003 RISLEY ROUTINES (ASSEMBLER) EBCDIC 1252
NEA0444_01.004 SAMPLE PROBLEM INPUT DATA 23
NEA0444_01.005 SAMPLE PROBLEM PRINTED OUTPUT 82
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17. CATEGORIES
  • I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies

Keywords: iterative methods, plasticity, pressure vessels, stress analysis.