Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process
A widely used approach for the first crossing reliability evaluation of structures subject to nonstationary Gaussian random input is represented by the direct extension to the nonstationary case of the solution based on the qualified envelope, originally proposed for stationary cases. The most conve...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2018/3685091 |
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| _version_ | 1832553358835056640 |
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| author | Rita Greco Giuseppe Carlo Marano Alessandra Fiore Ivo Vanzi |
| author_facet | Rita Greco Giuseppe Carlo Marano Alessandra Fiore Ivo Vanzi |
| author_sort | Rita Greco |
| collection | DOAJ |
| description | A widely used approach for the first crossing reliability evaluation of structures subject to nonstationary Gaussian random input is represented by the direct extension to the nonstationary case of the solution based on the qualified envelope, originally proposed for stationary cases. The most convenient way to approach this evaluation relies on working in the time domain, where a common assumption used is to adopt the modulation of stationary envelope process instead of the envelope of modulated stationary one, by utilizing the so-called “preenvelope” process. The described assumption is demonstrated in this work, also showing that such assumption can induce some errors in the envelope mean crossing rate. |
| format | Article |
| id | doaj-art-cbecf502fa6f4593a7237dafee3b948a |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-cbecf502fa6f4593a7237dafee3b948a2025-02-03T05:54:15ZengWileyShock and Vibration1070-96221875-92032018-01-01201810.1155/2018/36850913685091Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian ProcessRita Greco0Giuseppe Carlo Marano1Alessandra Fiore2Ivo Vanzi3DICATECh, Technical University of Bari, Via Orabona 4, 70125 Bari, ItalyDICAR, Technical University of Bari, Via Orabona 4, 70125 Bari, ItalyDICAR, Technical University of Bari, Via Orabona 4, 70125 Bari, ItalyCollege of Civil Engineering, Fuzhou University, Fuzhou, Fujian 350108, ChinaA widely used approach for the first crossing reliability evaluation of structures subject to nonstationary Gaussian random input is represented by the direct extension to the nonstationary case of the solution based on the qualified envelope, originally proposed for stationary cases. The most convenient way to approach this evaluation relies on working in the time domain, where a common assumption used is to adopt the modulation of stationary envelope process instead of the envelope of modulated stationary one, by utilizing the so-called “preenvelope” process. The described assumption is demonstrated in this work, also showing that such assumption can induce some errors in the envelope mean crossing rate.http://dx.doi.org/10.1155/2018/3685091 |
| spellingShingle | Rita Greco Giuseppe Carlo Marano Alessandra Fiore Ivo Vanzi Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process Shock and Vibration |
| title | Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process |
| title_full | Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process |
| title_fullStr | Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process |
| title_full_unstemmed | Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process |
| title_short | Nonstationary First Threshold Crossing Reliability for Linear System Excited by Modulated Gaussian Process |
| title_sort | nonstationary first threshold crossing reliability for linear system excited by modulated gaussian process |
| url | http://dx.doi.org/10.1155/2018/3685091 |
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