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    Extending Normalized Gaussian Adaptive Hyperspherical Integration for Fast Computation of Accurate Unsatisfactory Performance Probability for Hydraulic Retaining Structures

    Source: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering:;2021:;Volume ( 007 ):;issue: 004::page 04021059-1
    Author:
    Barry C. White
    ,
    Robert M. Ebeling
    DOI: 10.1061/AJRUA6.0001156
    Publisher: ASCE
    Abstract: The probability of unsatisfactory performance (PUP) is taken into consideration during the design of the US Army Corps of Engineers hydraulic structures retaining earth. These structures possess multiple limit states. A reliability analysis of a structure is used to determine the PUP, given the variability in loads and resistances. An adaptive polar numerical integration procedure is being proposed that uses specified numerical precision and Gaussian normal distribution properties to optimize reliability calculations for PUP, providing good spatial coverage. This method uses the properties of the normalized Gaussian variable hyperspace to adjust the number of integration steps taken at each hyperspherical shell based on the overall probability of the hyperspherical shell and the desired PUP precision. Results from an example earth retaining structure problem show the normalized Gaussian adaptive hyperspherical integration method provides more accurate PUP values compared to a simulation method.
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      Extending Normalized Gaussian Adaptive Hyperspherical Integration for Fast Computation of Accurate Unsatisfactory Performance Probability for Hydraulic Retaining Structures

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4271770
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    • ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering

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    contributor authorBarry C. White
    contributor authorRobert M. Ebeling
    date accessioned2022-02-01T21:39:03Z
    date available2022-02-01T21:39:03Z
    date issued12/1/2021
    identifier otherAJRUA6.0001156.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4271770
    description abstractThe probability of unsatisfactory performance (PUP) is taken into consideration during the design of the US Army Corps of Engineers hydraulic structures retaining earth. These structures possess multiple limit states. A reliability analysis of a structure is used to determine the PUP, given the variability in loads and resistances. An adaptive polar numerical integration procedure is being proposed that uses specified numerical precision and Gaussian normal distribution properties to optimize reliability calculations for PUP, providing good spatial coverage. This method uses the properties of the normalized Gaussian variable hyperspace to adjust the number of integration steps taken at each hyperspherical shell based on the overall probability of the hyperspherical shell and the desired PUP precision. Results from an example earth retaining structure problem show the normalized Gaussian adaptive hyperspherical integration method provides more accurate PUP values compared to a simulation method.
    publisherASCE
    titleExtending Normalized Gaussian Adaptive Hyperspherical Integration for Fast Computation of Accurate Unsatisfactory Performance Probability for Hydraulic Retaining Structures
    typeJournal Paper
    journal volume7
    journal issue4
    journal titleASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
    identifier doi10.1061/AJRUA6.0001156
    journal fristpage04021059-1
    journal lastpage04021059-11
    page11
    treeASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering:;2021:;Volume ( 007 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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