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ESTS0071 PC-PRAISE.

PC-PRAISE, BWR Piping Reliability Analysis

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1. NAME OR DESIGNATION OF PROGRAM:  PC-PRAISE.
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2. COMPUTERS
To submit a request, click below on the link of the version you wish to order. Only liaison officers are authorised to submit online requests. Rules for requesters are available here.
Program name Package id Status Status date
PC-PRAISE ESTS0071/01 Tested 19-JUN-1997

Machines used:

Package ID Orig. computer Test computer
ESTS0071/01 IBM PC PC Pentium 100
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3. DESCRIPTION OF PROGRAM OR FUNCTION

PC-PRAISE is a probabilistic fracture mechanics computer code developed for IBM or IBM compatible personal computers to estimate probabilities of leak and break in nuclear power plant cooling piping.
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4. METHOD OF SOLUTION

PC-PRAISE considers the initiation and/or growth of crack-like defects in piping weldments. The initiation analyses are based on the results of laboratory studies and field observations in austenitic piping material operating under boiling water reactor conditions. The considerable scatter in such results is quantified and incorporated into a probabilistic model. The crack growth analysis is based on (deterministic) fracture mechanics principles, in which some of the inputs (such as initial crack size) are considered to be random variables. Monte Carlo simulation, with  stratified sampling on initial crack size, is used to generate weldment reliability results.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

There is essentially no limitation with PC-PRAISE but for large number of replications used in the Monte Carlo simulation scheme, computation time may become prohibitive.
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6. TYPICAL RUNNING TIME

The time requirements for the sample problems ranges from 50 minutes to 1.5 hours on 33MHz 80486 with 8MB of RAM.
ESTS0071/01
The program PRAISE was executed at the NEA-DB on a PC DELL Optiplex GXM 5100 equipped with a Pentium processor of 99 Mhz,  base memory 640 Kbyte and extended memory 32 MByte. The execution times to run the eleven sample problems of the program PRAISE which  are provided with the package are respectively 3, 6, 9, 13, 5, 1, 9, 21, 6, 9, 17 minutes.
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7. UNUSUAL FEATURES OF THE PROGRAM

The unique features of PC-PRAISE include independent two-dimensional treatment of crack growth in directions of the depth as well as the width and the statistical treatment of various variables associated with the fracture mechanics model.
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8. RELATED AND AUXILIARY PROGRAMS

PC-PRAISE was adapted from its mainframe version of the PRAISE code which may be operating on both  CDC7600 and Cray computers.
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9. STATUS
Package ID Status date Status
ESTS0071/01 19-JUN-1997 Tested at NEADB
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10. REFERENCES

- G.S. Holman and C.K. Chou:
  Probability of Failure in BWR Reactor Coolant Piping Vol.1:
  Summary report, NUREG/CR-4792 (UCID-20914) Vol.1, (March 1990)
- T. Lo et al.:
  Probability of Failure in BWR Reactor Coolant Piping Vol.2:
  Pipe Failure Induced by Crack Growth and Failure of Intermediate
  Supports, NUREG/CR-4792 (UCID-20914) Vol.2, (March 1989)
- D.O. Harris et al.:
  Probability of Failure in BWR Reactor Coolant Piping Vol.3:
  Probabilistic Treatment of Stress Corrosion Cracking in 304 and
  316NG BWR Piping Weldments
  NUREG/CR-4792 (UCID-20914) Vol.1, (December 1986)
- D.O. Harris et al.:
  Fracture Mechanics Models Developed for Piping Reliability
  Assessment in Light Water Reactors Piping Reliability Project
  NUREG/CR-2301 (UCID-15490) (June 1982)
- Nancy Storch et al.:
  TV80LIB Graphics Library, LCSD 436 Rev.0, February 3, 1981
- E.Y. Lim:
  Probability of Pipe Fracture in a Primary Coolant Loop of a PWR
  Plant, vol. 9: PRAISE Computer Code User's Manual, Load
  Combination Program Project I Final Report
  NUREG/CR-2189 (UCID-18967) August 1981
- T. Lo and R.W. Mensing:
  Probability of Pipe Failure in the Reactor Coolant Loops of
  Combustion Engineering PWR Plants, Vol.2: Pipe Failure Induced
  by Crack Growth
  NUREG/CR-3663 (UCRL-53500) September 1984
ESTS0071/01, included references:
- D.O. Harris et al:
  Theoretical and User's Manual for pc-PRAISE
  A Probabilistic Fracture Mechanics Computer Code for Piping
  Reliability Analysis
  NUREG/CR-5864 (UCRL-ID-109798) (July 1992)
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11. MACHINE REQUIREMENTS

PC-PRAISE can be executed on any XT, 386, or  486 personal computers. For reasonable running time, it is recommended that a 386/33 PC with a 387/33 math coprocessor at the minimum is to be used.
ESTS0071/01
The program PRAISE was executed at the NEA-DB on a PC DELL Optiplex GXM 5100 equipped with a Pentium processor of 99 Mhz,  base memory 640 Kbyte and extended memory 32 MByte, under MS-DOS 6.2 About 1.6 Mbyte of diskspace are required to hold ALL the package files. The filesize of the four executables are: PRAISE.EXE (252 Kbyte), PR_INPUT.EXE (93 Kbyte), PR_PLOT.EXE (151 Kbyte) and HPLASER.EXE (41 Kbyte).
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
ESTS0071/01 FORTRAN+BASIC
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  DOS.
ESTS0071/01
The program PRAISE was executed at the NEA-DB under MS-DOS 6.2. The executables of program PRAISE and of the pre-processor program PR_INPUT have been created using the MicroSoft Fortran compiler (Version 5.10) and linker (Version 5.15).
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

The
input file name must have a ".DAT" filename extension.
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15. NAME AND ESTABLISHMENT OF AUTHORS

   S. Lu and G.S. Holman
   Lawrence Livermore National Lab., CA (United States)
   D.O. Harris
   Failure Analysis Associates, Inc.
   Menlo Park, CA (United States)
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16. MATERIAL AVAILABLE
ESTS0071/01
File name File description Records
ESTS0071_01.001 Information file of program PC-PRAISE 423
ESTS0071_01.002 Notes on PC-PRAISE 132
ESTS0071_01.003 Source file # 1, program PRAISE 1820
ESTS0071_01.004 Source file # 2, program PRAISE 1967
ESTS0071_01.005 Source file # 3, program PRAISE 1454
ESTS0071_01.006 Source file # 4, program PRAISE 2088
ESTS0071_01.007 Source file # 5, program PRAISE 2034
ESTS0071_01.008 Source file # 6, program PRAISE 890
ESTS0071_01.009 Source file # 7, program PRAISE 1207
ESTS0071_01.010 Source file, input pre-processor PR_INPUT 1162
ESTS0071_01.011 Include file,input pre-processor PR_INPUT 19
ESTS0071_01.012 Auxiliary source code 509
ESTS0071_01.013 BASIC source file # 1, aux. program PR_PLOT 1262
ESTS0071_01.014 BASIC source file # 2, aux. program PR_PLOT 330
ESTS0071_01.015 PC-executable file of program PRAISE 0
ESTS0071_01.016 PC-executable file of program PR_INPUT 0
ESTS0071_01.017 PC-executable file of program PR_PLOT 0
ESTS0071_01.018 PC-executable file for HP LaserJet printers 0
ESTS0071_01.019 Data file required for running PRAISE.EXE 225
ESTS0071_01.020 Library file required for running PRAISE.EXE 0
ESTS0071_01.021 Template file for the demonstration problem 0
ESTS0071_01.022 Input file for PRAISE, created by PR_INPUT 14
ESTS0071_01.023 Sample input file, problem # 1 15
ESTS0071_01.024 Sample output file, problem # 1 369
ESTS0071_01.025 Sample output file, problem # 1 22
ESTS0071_01.026 Sample output file, problem # 1 22
ESTS0071_01.027 Sample output file, problem # 1 22
ESTS0071_01.028 Sample output file, problem # 1 201
ESTS0071_01.029 Sample input file, problem # 2 14
ESTS0071_01.030 Sample output file, problem # 3 1314
ESTS0071_01.031 Sample output file, problem # 2 22
ESTS0071_01.032 Sample output file, problem # 2 22
ESTS0071_01.033 Sample output file, problem # 2 22
ESTS0071_01.034 Sample output file, problem # 2 169
ESTS0071_01.035 Sample input file, problem # 3 126
ESTS0071_01.036 Sample output file, problem # 3 419
ESTS0071_01.037 Sample output file, problem # 3 22
ESTS0071_01.038 Sample output file, problem # 3 22
ESTS0071_01.039 Sample output file, problem # 3 22
ESTS0071_01.040 Sample output file, problem # 3 169
ESTS0071_01.041 Sample input file, problem # 4 48
ESTS0071_01.042 Sample output file, problem # 4 522
ESTS0071_01.043 Sample output file, problem # 4 110
ESTS0071_01.044 Sample output file, problem # 4 110
ESTS0071_01.045 Sample output file, problem # 4 110
ESTS0071_01.046 Sample output file, problem # 4 169
ESTS0071_01.047 Sample input file, problem # 5 15
ESTS0071_01.048 Sample output file, problem # 5 304
ESTS0071_01.049 Sample output file, problem # 5 8
ESTS0071_01.050 Sample output file, problem # 5 8
ESTS0071_01.051 Sample output file, problem # 5 8
ESTS0071_01.052 Sample output file, problem # 5 201
ESTS0071_01.053 Sample input file, problem # 6 12
ESTS0071_01.054 Sample output file, problem # 6 253
ESTS0071_01.055 Sample output file, problem # 6 12
ESTS0071_01.056 Sample output file, problem # 6 12
ESTS0071_01.057 Sample output file, problem # 6 12
ESTS0071_01.058 Sample output file, problem # 6 3
ESTS0071_01.059 Sample input file, problem # 7 12
ESTS0071_01.060 Sample output file, problem # 7 306
ESTS0071_01.061 Sample output file, problem # 7 22
ESTS0071_01.062 Sample output file, problem # 7 22
ESTS0071_01.063 Sample output file, problem # 7 22
ESTS0071_01.064 Sample output file, problem # 7 3
ESTS0071_01.065 Sample input file, problem # 8 16
ESTS0071_01.066 Sample output file, problem # 8 343
ESTS0071_01.067 Sample output file, problem # 8 22
ESTS0071_01.068 Sample output file, problem # 8 22
ESTS0071_01.069 Sample output file, problem # 8 22
ESTS0071_01.070 Sample output file, problem # 8 3
ESTS0071_01.071 Sample input file, problem # 9 17
ESTS0071_01.072 Sample output file, problem # 9 403
ESTS0071_01.073 Sample output file, problem # 9 22
ESTS0071_01.074 Sample output file, problem # 9 22
ESTS0071_01.075 Sample output file, problem # 9 22
ESTS0071_01.076 Sample output file, problem # 9 201
ESTS0071_01.077 Sample input file, problem # 10 20
ESTS0071_01.078 Sample output file, problem # 10 485
ESTS0071_01.079 Sample output file, problem # 10 22
ESTS0071_01.080 Sample output file, problem # 10 22
ESTS0071_01.081 Sample output file, problem # 10 22
ESTS0071_01.082 Sample output file, problem # 10 201
ESTS0071_01.083 Sample input file, problem # 11 54
ESTS0071_01.084 Sample output file, problem # 11 656
ESTS0071_01.085 Sample output file, problem # 11 110
ESTS0071_01.086 Sample output file, problem # 11 110
ESTS0071_01.087 Sample output file, problem # 11 110
ESTS0071_01.088 Sample output file, problem # 11 201
ESTS0071_01.089 DOS file-names 88
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17. CATEGORIES
  • G. Radiological Safety, Hazard and Accident Analysis
  • I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies

Keywords: BWR reactors, leaks, pipe joints, probabilistic sys assessment, system failure analysis.