A variational model for plastic reorientation in fibrous material: numerical experiments on phase segregation
Andrea Rodella, Antonino Favata, Stefano Vidolidownload PDF
Abstract. We propose a continuum model of fibrous material that may undergo an internal reorganization, which turns out in a plastic change of the orientation of the fibers when the remodeling torque achieves a threshold. We have recently found that the reorientation may induce a complex scenario in the response of such materials. In a traction test, we show that the most general transversely isotropic material may evolve in three different ways; in particular, the fibers asymptotically tend (regularly or with jumps): (A) to a given angle; (B) to align perpendicularly to the load direction; (C) to align with the load direction if their initial orientation is less than a given value otherwise perpendicularly. We focus on the latter material response (C) which has all the ingredients to manifest a phase transition phenomenon. Finally, we provide a numerical investigation to demonstrate phase segregation.
Phase Segregation, Fibrous Material, Plastic Remodeling, FEniCS
Published online 3/17/2022, 6 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Andrea Rodella, Antonino Favata, Stefano Vidoli, A variational model for plastic reorientation in fibrous material: numerical experiments on phase segregation, Materials Research Proceedings, Vol. 26, pp 17-22, 2023
The article was published as article 3 of the book Theoretical and Applied Mechanics
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