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Standard Practice for Testing and Use of a Random Number Generator in Lumber and Wood Products Simulation
Přeložit název
NORMA vydána dne 1.8.2022
Označení normy: ASTM D5124-96(2022)
Datum vydání normy: 1.8.2022
Kód zboží: NS-1083919
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
ICS Number Code 79.040 (Wood, sawlogs and sawn timber)
Significance and Use | ||
4.1?Computer simulation is known to be a very powerful analytical tool for both practitioners and researchers in the area of wood products and their applications in structural engineering. Complex structural systems can be analyzed by computer with the computer generating the system components, given the probability distribution of each component. Frequently the components are single boards for which a compatible set of strength and stiffness properties are needed. However, the entire structural simulation process is dependent upon the adequacy of the standard uniform number generator required to generate random observations from prescribed probability distribution functions. 4.2?The technological capabilities and wide availability of microcomputers has encouraged their increased use for simulation studies. Tests of random number generators in commonly available microcomputers have disclosed serious deficiencies 1.1?This practice gives a minimum testing procedure of computer generation routines for the standard uniform distribution. Random observations from the standard uniform distribution, RU, range from zero to one with every value between zero and one having an equal chance of occurrence. 1.2?The tests described in this practice only support the basic use of random number generators, not their use in complex or extremely precise simulations. 1.3?Simulation details for the normal, lognormal, 2-parameter Weibull and 3-parameter Weibull probability distributions are presented. 1.4?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||
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