Hybrid approach for woven fabric modelling based on discrete hypoelastic behaviour and experimental validation - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Composite Structures Année : 2019

Hybrid approach for woven fabric modelling based on discrete hypoelastic behaviour and experimental validation

Résumé

A non-linear discrete hybrid approach based on the association of hypoelastic continuous elements (non-linear shear behaviour) with specific connectors (non-linear tension stiffness) is developed. It allows the simulation of a two-dimensional (2D) woven reinforcement forming via an accurate explicit finite element analysis. This approach allows the simulation of 2D unbalanced fabrics uncoupling tensile and shear behaviour. It only needs a few parameters to be identified, and shows a good agreement with the experiments. The identification of the model parameters is investigated, and their relevance is analysed in reference tests. To determine the continuous element behaviour, a VUMAT hypoelastic model is implemented in Abaqus/Explicit. This model allows the prediction of fibre stresses and the accurate determination of shear angle in large deformations. Identification and validation of the model are performed using standard characterisation fabric tests. The experimental characterisation provided the numerical data to produce a representational prediction of the deformed fabric geometry and shear angle distribution. Further, the behaviour of the carbon woven reinforcement is identified. A bias extension test is used to both calibrate and validate the model. The capability of the model is illustrated to simulate deep drawing, and to compare with the experimental results of hemispherical forming.
Fichier principal
Vignette du fichier
Nasri_22984.pdf (4.29 Mo) Télécharger le fichier
Origine Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-02359793 , version 1 (12-11-2019)

Identifiants

Citer

Mondher Nasri, Christian Garnier, Fethi Abbassi, Ahmad Rashed Labanieh, Olivier Dalverny, et al.. Hybrid approach for woven fabric modelling based on discrete hypoelastic behaviour and experimental validation. Composite Structures, 2019, 209, pp.992-1004. ⟨10.1016/j.compstruct.2018.10.081⟩. ⟨hal-02359793⟩
45 Consultations
130 Téléchargements

Altmetric

Partager

Gmail Mastodon Facebook X LinkedIn More