NEA-0993 STRADE.
STRADE, Stratified Random Design for Reactor Safety Analysis
NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES
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| Program name | Package id | Status | Status date |
|---|---|---|---|
| STRADE | NEA-0993/01 | Tested | 14-OCT-1986 |
Machines used:
| Package ID | Orig. computer | Test computer |
|---|---|---|
| NEA-0993/01 | AMDAHL 470/V8 | IBM 3081 |
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3. DESCRIPTION OF PROGRAM OR FUNCTION
STRADE generates matrices of experimental designs based on the Latin Hypercube Sampling (LHS) technique, that can be applied to any kind of sensitivity analysis or system identification problem involving a large number of input variables. The program has been developed for use in reactor safety probabilistic analyses. The following options are included: quadratic or rectangular matrix, depending on whether the number of experiments is equal or larger than the number of input variables; repetition or no repetition of the same level for different variables in the same experiment.
STRADE generates matrices of experimental designs based on the Latin Hypercube Sampling (LHS) technique, that can be applied to any kind of sensitivity analysis or system identification problem involving a large number of input variables. The program has been developed for use in reactor safety probabilistic analyses. The following options are included: quadratic or rectangular matrix, depending on whether the number of experiments is equal or larger than the number of input variables; repetition or no repetition of the same level for different variables in the same experiment.
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4. METHOD OF SOLUTION
The range of each variable is subdivided into a number of intervals ("strata") equal to the number of experiments. The probability of each variable falling within a stratum is constant. The strata are ordered into levels, and a matrix is generated in such a way that all possible levels of each variable are taken into account, each level appearing once in a matrix column.
The range of each variable is subdivided into a number of intervals ("strata") equal to the number of experiments. The probability of each variable falling within a stratum is constant. The strata are ordered into levels, and a matrix is generated in such a way that all possible levels of each variable are taken into account, each level appearing once in a matrix column.
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NEA-0993/01
NEA-DB compiled, linked, and executed the test case included in this package on an IBM 3081 computer in 3 seconds of CPU time.[ top ]
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NEA-0993/01, included references:
- A. Amendola and B. Lisanti:STRADE (Stratified Random Design): Description and How-to-Use.
EUROCOPI n. 14 (December 1981)
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NEA-0993/01
To execute the test case included in this package on an IBM 3081 computer, 232K bytes of main storage are required.[ top ]
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NEA-0993/01
| File name | File description | Records |
|---|---|---|
| NEA0993_01.001 | This information file | 58 |
| NEA0993_01.002 | STRADE program source (FORTRAN) | 524 |
| NEA0993_01.003 | JCL | 48 |
| NEA0993_01.004 | Test case input | 28 |
| NEA0993_01.005 | Test case output | 204 |
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- G. Radiological Safety, Hazard and Accident Analysis
- P. General Mathematical and Computing System Routines
Keywords: reactor safety, sensitivity analysis.