Investigation of pattern recognition techniques for the indentification of splitting surfaces in Monte Carlo particle transport calculations

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Statistical and deterministic pattern recognition systems are designed to classify the state space of a Monte Carlo transport problem into importance regions. The surfaces separating the regions can be used for particle splitting and Russian roulette in state space in order to reduce the variance of the Monte Carlo tally. Computer experiments are performed to evaluate the performance of the technique using one and two dimensional Monte Carlo problems. Additional experiments are performed to determine the sensitivity of the technique to various pattern recognition and Monte Carlo problem dependent parameters. A system for applying the technique to a general purpose ... continued below

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Pages: 306

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Macdonald, J.L. August 1, 1975.

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Description

Statistical and deterministic pattern recognition systems are designed to classify the state space of a Monte Carlo transport problem into importance regions. The surfaces separating the regions can be used for particle splitting and Russian roulette in state space in order to reduce the variance of the Monte Carlo tally. Computer experiments are performed to evaluate the performance of the technique using one and two dimensional Monte Carlo problems. Additional experiments are performed to determine the sensitivity of the technique to various pattern recognition and Monte Carlo problem dependent parameters. A system for applying the technique to a general purpose Monte Carlo code is described. An estimate of the computer time required by the technique is made in order to determine its effectiveness as a variance reduction device. It is recommended that the technique be further investigated in a general purpose Monte Carlo code. (auth)

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Pages: 306

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  • Other Information: Orig. Receipt Date: 30-JUN-76

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  • Report No.: LA--6015-T
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/4157716 | External Link
  • Office of Scientific & Technical Information Report Number: 4157716
  • Archival Resource Key: ark:/67531/metadc864227

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1975

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Sept. 20, 2016, 7:39 p.m.

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Macdonald, J.L. Investigation of pattern recognition techniques for the indentification of splitting surfaces in Monte Carlo particle transport calculations, report, August 1, 1975; New Mexico. (digital.library.unt.edu/ark:/67531/metadc864227/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.