Sequential designs for sensitivity analysis of functional inputs in computer experiments

Abstract : Computer experiments are nowadays commonly used to analyze industrial processes aiming at achieving a wanted outcome. Sensitivity analysis plays an important role in exploring the actual impact of adjustable parameters on the response variable. In this work we focus on sensitivity analysis of a scalar-valued output of a time-consuming computer code depending on scalar and functional input parameters. We investigate a sequential methodology, based on piecewise constant functions and sequential bifurcation, which is both economical and fully interpretable. The new approach is applied to a sheet metal forming problem in three sequential steps, resulting in new insights into the behavior of the forming process over time.
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Pré-publication, Document de travail
2014
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https://hal.archives-ouvertes.fr/hal-00943509
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Dernière modification le : mardi 23 octobre 2018 - 14:36:09
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  • HAL Id : hal-00943509, version 1

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Jana Fruth, Olivier Roustant, Sonja Kuhnt. Sequential designs for sensitivity analysis of functional inputs in computer experiments. 2014. 〈hal-00943509〉

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