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2015 | OriginalPaper | Buchkapitel

Reliability-Based Design Optimization and Its Applications to Interaction Fluid Structure Problems

verfasst von : Abderahman Makhloufi, Abdelkhalak El Hami

Erschienen in: Numerical Methods for Reliability and Safety Assessment

Verlag: Springer International Publishing

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Abstract

The objectives of this work are to quantify the influence of material and operational uncertainties on the performance of structures coupled with fluid, and to develop a reliability-based design and optimization (RBDO) methodology for this type of the structures. Such a problem requires a very high computation cost, which is mainly due to the calculation of gradients, especially when a finite element model is used. To simplify the optimization problem and to find at least a local optimum solution, two new methods based on semi-numerical solution are proposed in this chapter. The results demonstrate the viability of the proposed reliability-based design and optimization methodology relative to the classical methods, and demonstrate that a probabilistic approach is more appropriate than a deterministic approach for the design and optimization of structures coupled with fluid.

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Metadaten
Titel
Reliability-Based Design Optimization and Its Applications to Interaction Fluid Structure Problems
verfasst von
Abderahman Makhloufi
Abdelkhalak El Hami
Copyright-Jahr
2015
DOI
https://doi.org/10.1007/978-3-319-07167-1_24

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