Work

Learning to write with the fluid rope trick

Year: 2023

Type: article

Abstract: use the "fluid rope trick" to write specified patterns on a substrate? Here we use Deep Reinforcement Learning to derive control strategies for the motion of the extruding nozzle and thus the fluid patterns that are deposited on the surface. The method proceeds by having a learner (nozzle) repeatedly interact with the environment (a viscous filament simulator), and improves its strategy using the results of this experience. We demonstrate the outcome of the learned control instructions using experiments to manipulate a falling viscous jet and create cursive writing patterns and Pollockian paintings on substrates.

Source: Soft Matter

DOI: 10.1039/d3sm00177f

Authors: Gaurav Chaudhary, Stephanie Christ, A. John Hart, L. Mahadevan

Institutions: Harvard University, Massachusetts Institute of Technology

Language: English

Topic: Fluid Dynamics and Heat Transfer

Subfield: Computational Mechanics

Field: Engineering

Domain: Physical Sciences

Open Access status: green