Online from: 2005
Subject Area: Mechanical & Materials Engineering
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|Title:||Stochastic and reliability analysis of fluid-structure interaction problems using finite element models|
|Author(s):||Jhojan Enrique Rojas, (Vale Soluções em Energia, São Paulo, Brazil), Othmane Bendaou, (Mechanics Laboratory of Rouen, National Institute for Applied Sciences, Saint-Étienne du Rouvray, France), Abdelkhalak El Hami, (Mechanics Laboratory of Rouen, National Institute for Applied Sciences, Saint-Étienne du Rouvray, France), Domingos Rade, (School of Mechanical Engineering, Federal University of Uberlândia, Uberlândia, Brazil)|
|Citation:||Jhojan Enrique Rojas, Othmane Bendaou, Abdelkhalak El Hami, Domingos Rade, (2010) "Stochastic and reliability analysis of fluid-structure interaction problems using finite element models", Multidiscipline Modeling in Materials and Structures, Vol. 6 Iss: 1, pp.6 - 22|
|Keywords:||Failure modes and effects analysis, Fluid mechanics, Stochastic processes, Structures, Vibration|
|Article type:||Research paper|
|DOI:||10.1108/15736101011055248 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
|Acknowledgements:||Dr Jhojan Enrique Rojas is thankful to CAPES Foundation (Brazilian Ministry of Education) and Programme Alban, the European Union Programme of High Level Scholarships for Latin America, for the support to their scholarship No. E06D103742BO. Dr Domingos Rade gratefully acknowledges CNPq for the support to their research activities.|
Purpose – The purpose of this paper is to present a deterministic, stochastic and reliability analysis through numerical simulations in 2D and 3D dynamic fluid-structure interaction problems.
Design/methodology/approach – The perturbation methods allied to reliability analysis are applied to fluid-structure finite element models. Reliability analysis couples finite element analysis with first and second order reliability methods and ant colony optimization in a modified first order reliability method.
Findings – Results obtained show the potentialities of the proposed methodology and encourage improvement of this procedure for use in complex coupled fluid-structure systems.
Originality/value – The understanding of the mechanical interaction between a fluid and an elastic solid has a capital importance in several industrial applications. In order to couple the behaviour of two different media, deterministic models have been proposed. However, stochastic analysis has been developed to deal with the statistical nature of fluid-structure interaction parameters. Moreover, probabilistic-based reliability analysis intends to find safe and cost-effective projects.
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