Determining the optimal (lightest, least expensive, etc.) design for an engineered component or system that meets or exceeds a specified level of reliability is a problem of obvious interest across a wide spectrum of engineering fields. Various formulations and methods for solving this reliability-based design optimization problem have been proposed, but they typically involve accepting a tradeoff between accuracy and efficiency in the reliability analysis. This paper investigates the use of the efficient global optimization and efficient global reliability analysis methods to construct surrogate models at both the design optimization and reliability analysis levels to create methods that are more efficient than existing methods without sacrificing accuracy. Several formulations are proposed and compared through a series of test problems.
Efficient Global Surrogate Modeling for Reliability-Based Design Optimization
Contributed by Design Automation Committee of ASME for publication in the Journal of Mechanical Design. Manuscript received April 25, 2011; final manuscript received September 12, 2012; published online December 12, 2012. Assoc. Editor: Christiaan J. J. Paredis.
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Bichon, B. J., Eldred, M. S., Mahadevan, S., and McFarland, J. M. (December 12, 2012). "Efficient Global Surrogate Modeling for Reliability-Based Design Optimization." ASME. J. Mech. Des. January 2013; 135(1): 011009. https://doi.org/10.1115/1.4022999
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