Spontaneous Emergence of Solitary Waves in Active Flow Networks with Elastic Elements
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911561577136128 |
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| author | García, Rodrigo Fernández-Quevedo Antunes, Gonçalo Cruz Harting, Jens Stark, Holger Valeriani, Chantal Brandenbourger, Martin Mazo, Juan José Malgaretti, Paolo Ruiz-García, Miguel |
| author_facet | García, Rodrigo Fernández-Quevedo Antunes, Gonçalo Cruz Harting, Jens Stark, Holger Valeriani, Chantal Brandenbourger, Martin Mazo, Juan José Malgaretti, Paolo Ruiz-García, Miguel |
| contents | Flow networks are fundamental for understanding systems such as animal and plant vasculature or power distribution grids. These networks can encode, transmit, and transform information embodied in the spatial and temporal distribution of their flows. In this work, we focus on a minimal yet physically grounded system that allows us to isolate the fundamental mechanisms by which active flow networks generate and regulate emergent dynamics capable of supporting information transmission. The system is composed of active units that pump fluid and elastic units that store volume. From first principles, we derive a discrete model -- an active flow network -- that enables the simulation of large systems with many interacting units. Numerically, we show that the pressure field can develop solitary waves, resulting in the spontaneous creation and transmission of localized packets of information stored in the physical properties of the flow. We characterize how these solitary waves emerge from disordered initial conditions in a one-dimensional network, and how their size and propagation speed depend on key system parameters. Finally, when the elastic units are coupled to their neighbors, the solitary waves exhibit even richer dynamics, with diverse shapes and finite lifetimes that display power-law behaviors that we can predict analytically. Together, these results show how simple fluidic elements can collectively create, shape and transport information, laying the foundations for understanding -- and ultimately engineering -- information processing in active flow systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_13448 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spontaneous Emergence of Solitary Waves in Active Flow Networks with Elastic Elements García, Rodrigo Fernández-Quevedo Antunes, Gonçalo Cruz Harting, Jens Stark, Holger Valeriani, Chantal Brandenbourger, Martin Mazo, Juan José Malgaretti, Paolo Ruiz-García, Miguel Fluid Dynamics Soft Condensed Matter Statistical Mechanics Pattern Formation and Solitons Flow networks are fundamental for understanding systems such as animal and plant vasculature or power distribution grids. These networks can encode, transmit, and transform information embodied in the spatial and temporal distribution of their flows. In this work, we focus on a minimal yet physically grounded system that allows us to isolate the fundamental mechanisms by which active flow networks generate and regulate emergent dynamics capable of supporting information transmission. The system is composed of active units that pump fluid and elastic units that store volume. From first principles, we derive a discrete model -- an active flow network -- that enables the simulation of large systems with many interacting units. Numerically, we show that the pressure field can develop solitary waves, resulting in the spontaneous creation and transmission of localized packets of information stored in the physical properties of the flow. We characterize how these solitary waves emerge from disordered initial conditions in a one-dimensional network, and how their size and propagation speed depend on key system parameters. Finally, when the elastic units are coupled to their neighbors, the solitary waves exhibit even richer dynamics, with diverse shapes and finite lifetimes that display power-law behaviors that we can predict analytically. Together, these results show how simple fluidic elements can collectively create, shape and transport information, laying the foundations for understanding -- and ultimately engineering -- information processing in active flow systems. |
| title | Spontaneous Emergence of Solitary Waves in Active Flow Networks with Elastic Elements |
| topic | Fluid Dynamics Soft Condensed Matter Statistical Mechanics Pattern Formation and Solitons |
| url | https://arxiv.org/abs/2511.13448 |