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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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Preprints, Working Papers, ...
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https://hal.archives-ouvertes.fr/hal-00943509
Contributor : Jana Fruth Connect in order to contact the contributor
Submitted on : Tuesday, February 18, 2014 - 5:59:37 PM
Last modification on : Thursday, April 14, 2022 - 3:08:45 AM
Long-term archiving on: : Sunday, May 18, 2014 - 10:37:53 AM

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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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