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Preprints, Working Papers, ... (Preprint) Year : 2023

A scalable problem to benchmark robust multidisciplinary design optimization techniques

Abstract

A scalable problem to benchmark robust multidisciplinary design optimization algorithms (RMDO) is proposed. This allows the user to choose the number of disciplines, the dimensions of the coupling and design variables and the extent of the feasible domain. After a description of the mathematical background, a deterministic version of the scalable problem is defined and the conditions on the existence and uniqueness of the solution are given. Then, this deterministic scalable problem is made uncertain by adding random variables to the coupling equations. Under classical assumptions, the existence and uniqueness of the solution of this RMDO problem is guaranteed. This solution can be easily computed with a quadratic programming algorithm and serves as a reference to assess the performances of RMDO algorithms. This scalable problem has been implemented in the open source software GEMSEO and tested with two techniques of statistics estimation: Monte-Carlo sampling and Taylor polynomials.
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Dates and versions

hal-04002825 , version 1 (24-02-2023)

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Amine Aziz-Alaoui, Olivier Roustant, Matthias De Lozzo. A scalable problem to benchmark robust multidisciplinary design optimization techniques. 2023. ⟨hal-04002825⟩
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