Presentation Details

Simulation of brittle fracture in shells using a phase-field approach and LR B-splines

Thursday, 12 Oct 2017; 11:30 - 11:50 in room 7.01

In Session:
MS15-3: Non-standard Formulations and Discretization Methods for Thin-walled Structures (Show complete Mini Symposium)
Thursday, 12 Oct 2017; 10:30 - 12:30 in room 7.01
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1^st and presenting Author

Davide Proserpio
Department of Marine Technology
Norwegian University of Science and Technology
Trondheim, Norway

2^nd Author

Josef Kiendl
Department of Marine Technology
Norwegian University of Science and Technology
Trondheim, Norway

3^rd Author

Marreddy Ambati
Institute of Applied Mechanics
Technical University of Braunschweig
Braunschweig, Germany

4^th Author

Laura De Lorenzis
Institute of Applied Mechanics
Technical University of Braunschweig
Braunschweig, Germany

5^th Author

Kjetil André Johannessen
Department of Mathematical Sciences
Norwegian University of Science and Technology
Trondheim, Norway

6^th Author

Trond Kvamsdal
Department of Mathematical Sciences
Norwegian University of Science and Technology
Trondheim, Norway

Micro Abstract:
We present a phase-field approach to model brittle fracture in plates and shells. For structural analysis, the discretization of the geometry is performed using an isogeometric Kirchhoff-Love shell formulation, extended to local refinement with LR B-splines in order to properly resolve the mesh in the cracked regions, improving the accuracy and efficiency of the analysis.

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Presentation Details

Simulation of brittle fracture in shells using a phase-field approach and LR B-splines