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FE DIC for strengthening the experiment/simulation dialog: application to composites

By Jean-Noël Périé and Jean-Charles Passieux


International audienceDigital Image Correlation (DIC) nowadays appears as a very convenient counterpart to FE simulation for validation or identification purposes. Nevertheless, DIC strain resolution is high compared to the strains met in composite structures, and classical subset based DIC are not convenient to couple with finite element (FE) simulations. With the emergence of FE-Stéréo DIC (FE-SDIC) approaches, and the use of multiscale measurements, it now becomes possible to make objective and quantitative comparisons between computed and measured displacements. In addition, FE-SDIC also makes it possible to regularize the measurements using part of the model. This makes it easier to assess mechanically consistent boundary conditions. The example of the experiment/simulation dialog proposed structural test perfomed during the ANR VERTEX project is presented

Topics: Composites, Structural Test, Finite Element, Digital Image Correlation, [SPI.MECA.STRU]Engineering Sciences [physics]/Mechanics []/Mechanics of the structures [physics.class-ph]
Publisher: HAL CCSD
Year: 2018
OAI identifier: oai:HAL:hal-01882758v1
Provided by: HAL-INSA Toulouse
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