Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine

For the nondeterministic factors of an aeroengine blisk, including both factors with sufficient and insufficient statistical data, based on the dynamic substructural method of determinate analysis, the extremum response surface method of probabilistic analysis, and the interval method of nonprobabil...

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Main Authors: Bin Bai, Wei Zhang, Botong Li, Chao Li, Guangchen Bai
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:International Journal of Aerospace Engineering
Online Access:http://dx.doi.org/10.1155/2017/5839620
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author Bin Bai
Wei Zhang
Botong Li
Chao Li
Guangchen Bai
author_facet Bin Bai
Wei Zhang
Botong Li
Chao Li
Guangchen Bai
author_sort Bin Bai
collection DOAJ
description For the nondeterministic factors of an aeroengine blisk, including both factors with sufficient and insufficient statistical data, based on the dynamic substructural method of determinate analysis, the extremum response surface method of probabilistic analysis, and the interval method of nonprobabilistic analysis, a methodology called the probabilistic and nonprobabilistic hybrid reliability analysis based on dynamic substructural extremum response surface decoupling method (P-NP-HRA-DS-ERSDM) is proposed. The model includes random variables and interval variables to determine the interval failure probability and the interval reliability index. The extremum response surface function and its flow chart of mixed reliability analysis are given. The interval analysis is embedded in the most likely failure point in the iterative process. The probabilistic analysis and nonprobabilistic analysis are investigated alternately. Tuned and mistuned blisks are studied in a complicated environment, and the results are compared with the Monte Carlo method (MCM) and the multilevel nested algorithm (MLNA) to verify that the hybrid model can better handle reliability problems concurrently containing random variables and interval variables; meanwhile, it manifests that the computational efficiency of this method is superior and more reasonable for analysing and designing a mistuned blisk. Therefore, this methodology has very important practical significance.
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publishDate 2017-01-01
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series International Journal of Aerospace Engineering
spelling doaj-art-7e061766fe1747be996fb1f4c681a6d62025-02-03T05:45:14ZengWileyInternational Journal of Aerospace Engineering1687-59661687-59742017-01-01201710.1155/2017/58396205839620Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the AeroengineBin Bai0Wei Zhang1Botong Li2Chao Li3Guangchen Bai4College of Mechanical Engineering & Applied Electronics Technology, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, ChinaCollege of Mechanical Engineering & Applied Electronics Technology, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, ChinaCollege of Mechanical Engineering & Applied Electronics Technology, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, ChinaSchool of Energy and Power Engineering, Beihang University, Beijing 100191, ChinaSchool of Energy and Power Engineering, Beihang University, Beijing 100191, ChinaFor the nondeterministic factors of an aeroengine blisk, including both factors with sufficient and insufficient statistical data, based on the dynamic substructural method of determinate analysis, the extremum response surface method of probabilistic analysis, and the interval method of nonprobabilistic analysis, a methodology called the probabilistic and nonprobabilistic hybrid reliability analysis based on dynamic substructural extremum response surface decoupling method (P-NP-HRA-DS-ERSDM) is proposed. The model includes random variables and interval variables to determine the interval failure probability and the interval reliability index. The extremum response surface function and its flow chart of mixed reliability analysis are given. The interval analysis is embedded in the most likely failure point in the iterative process. The probabilistic analysis and nonprobabilistic analysis are investigated alternately. Tuned and mistuned blisks are studied in a complicated environment, and the results are compared with the Monte Carlo method (MCM) and the multilevel nested algorithm (MLNA) to verify that the hybrid model can better handle reliability problems concurrently containing random variables and interval variables; meanwhile, it manifests that the computational efficiency of this method is superior and more reasonable for analysing and designing a mistuned blisk. Therefore, this methodology has very important practical significance.http://dx.doi.org/10.1155/2017/5839620
spellingShingle Bin Bai
Wei Zhang
Botong Li
Chao Li
Guangchen Bai
Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine
International Journal of Aerospace Engineering
title Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine
title_full Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine
title_fullStr Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine
title_full_unstemmed Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine
title_short Application of Probabilistic and Nonprobabilistic Hybrid Reliability Analysis Based on Dynamic Substructural Extremum Response Surface Decoupling Method for a Blisk of the Aeroengine
title_sort application of probabilistic and nonprobabilistic hybrid reliability analysis based on dynamic substructural extremum response surface decoupling method for a blisk of the aeroengine
url http://dx.doi.org/10.1155/2017/5839620
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