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7 results on '"Villette, Thibault"'

4. Combination of 3D solid finite elements with rotation-free beam elements for non-linear analysis of fiber reinforced polymer rebars

Author

Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental, Universitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria, Zárate Araiza, José Francisco, Villette, Thibault, Martinez García, Xavier, Rastellini, Fernando G., Cendón Franco, David Ángel, Andrade, Carmen, Oñate Ibáñez de Navarra, Eugenio, Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental, Universitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria, Zárate Araiza, José Francisco, Villette, Thibault, Martinez García, Xavier, Rastellini, Fernando G., Cendón Franco, David Ángel, Andrade, Carmen, and Oñate Ibáñez de Navarra, Eugenio

Abstract

We present a combination of three dimensional (3D) solid elements and rotation-free beam elements for non-linear analysis of fiber-reinforced polymer (FRP) of rebars. The matrix material is modelled by 3D solid elements while the fibers are modelled with rotation-free beam elements. The absence of rotation variables in the beam elements allows the straightforward coupling of 3D solid and beam elements using a formulation with displacement nodal degrees of freedom only. Both solid and beam elements are formulated in an updated Lagrangian description. The behavior of the matrix and the fiber material are modelled with an elastic-damage model. The efficiency and accuracy of the combined 3D-beam element formulation are verified in examples of application to the analysis of FRP rebars up to fracture in axial, bending and shear tests for which experimental results are available., Peer Reviewed, Postprint (published version)

Published
2023

5. Combination of 3D solid finite elements with rotation-free beam elements for non-linear analysis of fiber reinforced polymer rebars

Author

Zarate, Francisco, Villette, Thibault, Martinez, Xavier, Rastellini Canela, Fernando, Cendón, David, Andrade, Carmen, Oñate, Eugenio, Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental, and Universitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria

Subjects
Engineering, Civil, Formigó amb fibres, Applied Mathematics, General Engineering, Engineering, Multidisciplinary, Enginyeria civil::Materials i estructures::Materials i estructures de formigó [Àrees temàtiques de la UPC], Engineering, Marine, Engineering, Mechanical, Engineering, Manufacturing, 3D solid finite elements, Engineering, Industrial, Fiber-reinforced concrete, Polymer fiber rebars, Engineering, Geological, Engineering, Ocean, Mathematical & Computational Biology, Engineering, Aerospace, Rotation-free beam elements
Abstract

We present a combination of three dimensional (3D) solid elements and rotation-free beam elements for non-linear analysis of fiber-reinforced polymer (FRP) of rebars. The matrix material is modelled by 3D solid elements while the fibers are modelled with rotation-free beam elements. The absence of rotation variables in the beam elements allows the straightforward coupling of 3D solid and beam elements using a formulation with displacement nodal degrees of freedom only. Both solid and beam elements are formulated in an updated Lagrangian description. The behavior of the matrix and the fiber material are modelled with an elastic-damage model. The efficiency and accuracy of the combined 3D-beam element formulation are verified in examples of application to the analysis of FRP rebars up to fracture in axial, bending and shear tests for which experimental results are available.

Published
2023
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