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Article Dans Une Revue Experimental Techniques Année : 2019

Strain Gauges Based 3D Shape Monitoring of Beam Structures Using Finite Width Gauge Model

Résumé

This paper presents a new approach validated experimentally to reconstruct with strain gauges the deformed shape of a straight beam with circular cross section. It is based on a novel beam-specific strain gauge model that improves the strain measurement by taking into account the width of the gauges. These improved strain measurements are used by a 3D finite strain large displacement beam shape reconstruction method to recover the deformed shape iteratively. The whole reconstruction approach has been validated experimentally with 3D deformations of a beam instru-mented with strain gauges. Results show that the strain gauge model developed improves reconstruction accuracy and that beam reconstruction can be achieved effectively .
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Dates et versions

hal-02017091 , version 1 (17-02-2019)

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Pierre-Loup Schaefer, Guilhaume Barrier, Grégory Chagnon, Thierry Alonso, Alexandre Moreau-Gaudry. Strain Gauges Based 3D Shape Monitoring of Beam Structures Using Finite Width Gauge Model. Experimental Techniques, 2019, ⟨10.1007/s40799-019-00312-4⟩. ⟨hal-02017091⟩
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