Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session P14: Animal Behavior
3:00 PM–6:00 PM,
Wednesday, March 17, 2021
Sponsoring
Unit:
DBIO
Chair: Jennifer Rieser, Emory University; William Ryu, Univ of Toronto
Abstract: P14.00001 : A General 3D Model for the Dynamics of Rod-Like Sensory-Growth Systems and their Mechanical Interaction with the Environment*
3:00 PM–3:12 PM
Live
Presenter:
Amir Porat
(Tel Aviv University)
Authors:
Amir Porat
(Tel Aviv University)
Yasmine Meroz
(Tel Aviv University)
During growth, organs often encounter various mechanical obstacles, such as soil, stones, or other organisms. Forces exerted by the organs on such obstacles, originating from growth processes, subsequently induce mechanical stresses on the organs themselves, yielding a rich and complex dynamics.
In order to emulate these dynamics in a 3D environment, we recently developed a general model for the growth of rod-like organs, adopting the Cosserat rod model. The dynamics are based on the combination of active growth-driven movements and passive elastic interactions with external objects or fields.
This model, together with its robust numerical framework, provides a powerful tool to deepen our understanding of how rod-like sensory-growth systems, such as plants, fungi and neurons, interact with their environments through a combination of both active and passive responses.
*Amir Porat is part of the EU funded GrowBot project.
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