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Structural and Multidisciplinary Optimization
Erschienen in: Structural and Multidisciplinary Optimization 3/2018

11.09.2017 | RESEARCH PAPER

Multi-model reliability-based design optimization of structures considering the intact configuration and several partial collapses

verfasst von: Clara Cid Bengoa, Aitor Baldomir, Santiago Hernández, Luis Romera

Erschienen in: Structural and Multidisciplinary Optimization | Ausgabe 3/2018

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Abstract

Some structures require keeping a specific safety level even if part of their elements have collapsed. The aim of this paper is to obtain the optimum design of these structures when uncertainty in some parameters that affects to the structural response is also considered. A Reliability-Based Design Optimization (RBDO) problem is formulated in order to minimize the mass of the structure fulfilling probabilistic constraints in both intact and damaged configurations. The proposed methodology combines the formulation of multi-model optimization with RBDO techniques programmed in a Matlab code. Two application examples are presented consisting of a two-dimensional truss structure with stress constraints as well as a curved stiffened panel of an aircraft fuselage subjected to buckling constraints.
Vorheriger Artikel Structural design and global sensitivity analysis of the composite B-pillar with ply drop-off
Nächster Artikel Topological indentation pattern design of plates for maximum frequency gap

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Metadaten
Titel
Multi-model reliability-based design optimization of structures considering the intact configuration and several partial collapses
verfasst von
Clara Cid Bengoa
Aitor Baldomir
Santiago Hernández
Luis Romera
Publikationsdatum
11.09.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Structural and Multidisciplinary Optimization / Ausgabe 3/2018
Print ISSN: 1615-147X
Elektronische ISSN: 1615-1488
DOI
https://doi.org/10.1007/s00158-017-1789-y

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