ARCHITECTURE-DRIVEN DIGITAL VOLUME CORRELATION FOR MEASURING THE DEFORMATION OF THE CELL-STRUTS IN A CELLULAR MATERIAL UNDERGOING CRUSHING
| Autor: | Rouwane, Ali, Bouclier, Robin, Passieux, Jean-Charles, Périé, Jean-Noël |
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| Přispěvatelé: | Institut Clément Ader (ICA), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Institut de Mathématiques de Toulouse UMR5219 (IMT), Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | 20th International Conference on Experimental Mechanics (ICEM20) 20th International Conference on Experimental Mechanics (ICEM20), Jul 2023, Porto, Portugal |
| Popis: | International audience; Measuring displacement and strain fields at low observable scales of complex microstructures such as cellular materials still remains a challenge in experimental mechanics, often because of images with low definition and poor texture at this scale. Here, we develop a Digital Volume Correlation (DVC) method that allows to measure the deformation of the cell-struts of a cellular material undergoing crushing. It consists of a DIC method assisted with a physically sound weak regularization using an elastic finite-element image-based model at the architecture scale. With this technique, the non-linear response at the architecture scale, in particular local buckling, of a polyurethane foam under compression, is properly described. |
| Databáze: | OpenAIRE |
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