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NESC0300 SAFE-CREEP

SAFE-CREEP, Viscoelastic Analysis of Concrete Structure, Age Temperature and Temperature Dependent Creep

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1. NAME OR DESIGNATION OF PROGRAM:  SAFE-CREEP
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2. COMPUTERS
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Program name Package id Status Status date
SAFE-CREEP NESC0300/01 Tested 01-FEB-1969

Machines used:

Package ID Orig. computer Test computer
NESC0300/01 IBM 360 series IBM 360 series
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3. DESCRIPTION OF PROBLEM OR FUNCTION

SAFE-CREEP     performs     a
viscoelastic analysis of plane  or axisymmetric composite concrete
structures with age- and temperature-dependent creep data.
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4. METHOD OF SOLUTION

The  program uses  the finite-element  method
which reduces the  problem to the solution of a  system of coupled
integral equations.   The method of  solution is iterative  on the
space variable and  utilizes the trapezoidal rule  integration for
the time variable.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Maxima of -
   350 nodes
   750 elements
    60 time increments
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6. TYPICAL RUNNING TIME:  90 minutes are required for a full-capacity
problem.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS

GRDWRK (NESC Abstract 296), SAFE-
PLANE (NESC Abstract 252), SAFE-SHELL (NESC Abstract 253)
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9. STATUS
Package ID Status date Status
NESC0300/01 01-FEB-1969 Tested at NEADB
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10. REFERENCES

Y.  Rashid  and  W.   Rockenhauser,  Pressure  Vessel
Analysis by Finite Element Technique, GA-7810, 1967.
             R.  D.  Brown,  Properties  of  Concrete  in  Reactor
Vessels, Paper No. 13, Conference on Prestressed Concrete Pressure
Vessels, London, March 13-17, 1967.
             F.  J. De  Arriaga and  Y. R.  Rashid, SAFE-CREEP,  A
Computer Program for the Viscoelastic Analysis of Axisymmetric and
Plane Concrete Structures, A Users Manual, GA-8111, July 31, 1967.
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11. MACHINE REQUIREMENTS:  65K memory and 13 tapes
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NESC0300/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

  CALL
TICKER refers to an 1108 system routine for logging job time used.
A substitute routine  will be required for use of  this program on
another machine.
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15. NAME AND ESTABLISHMENT OF AUTHOR

                 F. De Arriaga
                 General Atomic Company
                 P. O. Box 81608
                 San Diego, California  92138
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16. MATERIAL AVAILABLE
NESC0300/01
File name File description Records
NESC0300_01.001 SOURCE & DATA IBM 360/65 1640
NESC0300_01.002 OUTPUT 2485
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17. CATEGORIES
  • I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies

Keywords: elasticity, finite element method, mechanical structures, pressure vessels, stresses, two-dimensional.