A novel reliability evaluation method for large dynamic engineering systems

Achintya Haldar, Reda Farag

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A novel reliability evaluation method for large nonlinear engineering systems excited by dynamic loading applied in time domain is presented. For this class of problems, the performance functions are expected to be function of time and implicit in nature. Available first- or second-order reliability method (FORM/SORM) will be challenging to estimate reliability of such systems. Because of its inefficiency, the classical Monte Carlo simulation (MCS) method also cannot be used for large nonlinear dynamic systems. In the proposed approach, using only tens instead of hundreds or thousands of deterministic evaluations at intelligently selected points are used to extract the reliability information. A hybrid approach, consisting of the stochastic finite element method (SFEM) developed by the author and his research team using FORM, response surface method (RSM), an interpolation scheme, and advanced factorial schemes is proposed. The method is clarified with the help of several numerical examples. It provides an alternative to the classical random vibration approach. It is also an alternative when the basic MCS becomes very inefficient.

Original languageEnglish (US)
Title of host publication2010 2nd International Conference on Reliability, Safety and Hazard, ICRESH-2010
Subtitle of host publicationRisk-Based Technology and Physics-of-Failure Methods
Pages21-31
Number of pages11
DOIs
StatePublished - Dec 1 2010
Event2010 2nd International Conference on Reliability, Safety and Hazard, ICRESH-2010: Risk-Based Technology and Physics-of-Failure Methods - Mumbai, India
Duration: Dec 14 2010Dec 16 2010

Publication series

Name2010 2nd International Conference on Reliability, Safety and Hazard, ICRESH-2010: Risk-Based Technology and Physics-of-Failure Methods

Other

Other2010 2nd International Conference on Reliability, Safety and Hazard, ICRESH-2010: Risk-Based Technology and Physics-of-Failure Methods
CountryIndia
CityMumbai
Period12/14/1012/16/10

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality

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    Haldar, A., & Farag, R. (2010). A novel reliability evaluation method for large dynamic engineering systems. In 2010 2nd International Conference on Reliability, Safety and Hazard, ICRESH-2010: Risk-Based Technology and Physics-of-Failure Methods (pp. 21-31). [5779619] (2010 2nd International Conference on Reliability, Safety and Hazard, ICRESH-2010: Risk-Based Technology and Physics-of-Failure Methods). https://doi.org/10.1109/ICRESH.2010.5779619