Nicolas Vandewalle
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View article: Magnetically Assisted Trapping of Passive Colloids by Active Dipolar Chains - Data
Magnetically Assisted Trapping of Passive Colloids by Active Dipolar Chains - Data Open
This dataset includes all data used to support the preprint "Magnetically Assisted Trapping of Passive Colloids by Active Dipolar Chains" (arxiv:2509.13770). BD_Code.zip C++ code used to perform Brownian dynamics simulations of the active-…
View article: Multiple droplets dynamics on cylindrical fiber
Multiple droplets dynamics on cylindrical fiber Open
We investigate the descent of a single droplet on a vertical fiber and its role in generating additional droplets. As the droplet slides, it deposits a non-uniform liquid film whose thickness decreases along the fiber. The thicker portion …
View article: Grooves spacing govern water retention during condensation
Grooves spacing govern water retention during condensation Open
Condensation on vertical surfaces leads to fluid retention, which limits the efficiency of applications ranging from heat exchangers to atmospheric water harvesters. A common strategy is to structure the surface with grooves, yet whether g…
View article: GRASPion: an Open-Source, Programmable Brainbot for Active Matter Research
GRASPion: an Open-Source, Programmable Brainbot for Active Matter Research Open
We present the GRASPion, a compact, open-source bristlebot designed for the controlled study of active matter systems. Built around a low-cost Arduino-compatible board and modular 3D-printed components, the GRASPion combines ease of use, p…
View article: Ring of capillary actuators as trap, tweezers and ratchet for floating particles
Ring of capillary actuators as trap, tweezers and ratchet for floating particles Open
The manipulation of small floating objects represents a crucial step in mesoscale and microfabrication, or the self-aggregation of particles into functional devices. These tiny objects placed at a liquid-air interface interact due to the l…
View article: Structural Order Drives Diffusion in a Granular Packing
Structural Order Drives Diffusion in a Granular Packing Open
We investigate how structural ordering, i.e. crystallization, affects the flow of bidisperse granular materials in a quasi-two-dimensional silo. By systematically varying the mass fraction of two particle sizes, we finely tune the degree o…
View article: Data for Metachronal coordination as a mesoscale phenomenon
Data for Metachronal coordination as a mesoscale phenomenon Open
Movie 1: Metachronal coordination under 1-arm protocol inducing rotation Description:This movie shows the magnetocapillary assembly driven by the 1-arm metachronal magnetic field protocol at a frequency of f = 1.5 Hz. The assembly exhibits…
View article: Sensitivity of a Sahelian groundwater-based agroforestry system to tree density and water availability using the land surface model ORCHIDEE (r7949)
Sensitivity of a Sahelian groundwater-based agroforestry system to tree density and water availability using the land surface model ORCHIDEE (r7949) Open
The Sahel region is characterized by its semi-arid climate and open-canopy agroforestry systems which play an important role in global carbon dynamics by sequestering an estimated 0.4 Mg C ha-1 yr-1, contributing to a total potential seque…
View article: 3D-printed spines for programmable liquid topographies and micromanipulation
3D-printed spines for programmable liquid topographies and micromanipulation Open
Manipulating floating objects, whether solid or liquid, from microscopic to mesoscopic sizes, is crucial in various microfluidics and microfabrication applications. While capillary menisci naturally self-assemble and transport floating par…
View article: Droplet on a Sugar fiber
Droplet on a Sugar fiber Open
This data set corresponds to the paper submitted to Physical Review Fluids. The data set include a tab delimited file containing the data from Fig. 3, 4a and 4b. More information will be provided as soon as the paper is accepted.
View article: Ring of capillary actuators as trap, tweezers, and ratchet for floating particles
Ring of capillary actuators as trap, tweezers, and ratchet for floating particles Open
The manipulation of small floating objects represents a crucial step in mesoscale and microfabrication, or the self-aggregation of particles into functional devices. These tiny objects placed at a liquid-air interface interact due to the l…
View article: Brainbots as smart autonomous active particles with programmable motion
Brainbots as smart autonomous active particles with programmable motion Open
We present an innovative robotic device designed to provide controlled motion for studying active matter. Motion is driven by an internal vibrator powered by a small rechargeable battery. The system integrates acoustic and magnetic sensors…
View article: Kinematic analysis of swimming ontogeny in seabass (Dicentrarchus labrax)
Kinematic analysis of swimming ontogeny in seabass (Dicentrarchus labrax) Open
Swimming has been investigated in multiple species, but few studies consider the establishment of swimming through ontogeny. This study describes the establishment of cyclical swimming in Dicentrachus labrax, a marine fish from cold, tempe…
View article: Controlling liquid landscape with 3D-printed spines: A tool for micromanipulation
Controlling liquid landscape with 3D-printed spines: A tool for micromanipulation Open
Manipulation of floating objects, whether solid or liquid, spanning from microscopic to mesoscopic sizes, is crucial in various microfluidics and microfabrication applications. While capillary menisci naturally self-assemble and transport …
View article: Droplets sliding on single and multiple vertical fibers
Droplets sliding on single and multiple vertical fibers Open
peer reviewed
View article: Induced capillary dipoles in floating particle assemblies
Induced capillary dipoles in floating particle assemblies Open
peer reviewed
View article: Kirigami fog nets: how strips improve water collection
Kirigami fog nets: how strips improve water collection Open
As scarcity of water is expected to intensify with global warming, unconventional water sources such as advective fogs may become essential. In numerous arid regions, nets are used to harvest such water droplets. However, many current fog …
View article: Collective dipole reorganization in magnetostructures
Collective dipole reorganization in magnetostructures Open
Neodymium spherical magnets are inexpensive objects that demonstrate how dipolar particles self-assemble into various structures ranging from 1D chains to 3D crystals. Assemblies of these magnets are nicknamed magnetostructures and this pa…
View article: Effect of groove curvature on droplet spreading
Effect of groove curvature on droplet spreading Open
The spreading dynamics of a droplet in a groove are significantly influenced by its curvature. Droplets exhibit faster spreading within convex epicycle grooves compared to concave hypocycle grooves.
View article: Scientific goals of the topical team on vibration in granular media : (the physics with the fure VIP_Gran Instrument)
Scientific goals of the topical team on vibration in granular media : (the physics with the fure VIP_Gran Instrument) Open
This paper describes goals of research and some example of recent results on the dynamics and the statistical mechanics of an ensemble of real particles that dissipates due to collision, i.e. ball-wall and ball-ball collisions, studied in …
View article: CoFee-L: A Model of Animal Displacement in Large Groups Combining Cohesion Maintenance, Feeding Area Search and Transient Leadership
CoFee-L: A Model of Animal Displacement in Large Groups Combining Cohesion Maintenance, Feeding Area Search and Transient Leadership Open
In the tropics, the conservation of tree species is closely linked to that of animals, as a large proportion of trees are zoochoric and therefore rely on the movement of animals to disperse their seeds in order to increase the chances of t…
View article: CoFee-L: A model of animal displacement in large groups combining Cohesion maintenance, Feeding area search and transient Leadership.
CoFee-L: A model of animal displacement in large groups combining Cohesion maintenance, Feeding area search and transient Leadership. Open
BackgroundIn the current context of climate change and intensive anthropization of natural environments, the preservation of ecosystems is a matter of great importance. In the tropics, the conservation of tree species is closely linked to …
View article: Overload wave-memory induces amnesia of a self-propelled particle
Overload wave-memory induces amnesia of a self-propelled particle Open
Information storage is a key element of autonomous, out-of-equilibrium dynamics, especially for biological and synthetic active matter. In synthetic active matter however, the implementation of internal memory in self-propelled systems is …
View article: Scallop Theorem and Swimming at the Mesoscale
Scallop Theorem and Swimming at the Mesoscale Open
By comparing theoretical modeling, simulations, and experiments, we show that there exists a swimming regime at low Reynolds numbers solely driven by the inertia of the swimmer itself. This is demonstrated by considering a dumbbell with an…