Publications

Publications (*: Equal contribution, ^: Corresponding author)

1. Li Z.*, Bielinski C.*, Lindner A.^, Delmotte B.^, du Roure O.^ (2025). A microfluidic band-pass filter for flexible fiber separation. https://arxiv.org/abs/2508.19166

2. Aulnette, M.; Burshtein, N.; Banaei, A. A.; Brandt, L.; Haward, S. J.; Shen, A. Q.; Delmotte, B.; Lindner, A.^ (2025). Transport of spherical microparticles in a 3D vortex flow. https://arxiv.org/abs/2506.02820

3. Delmotte, B.*^, Usabiaga, F. B.* (2025). Modeling complex particle suspensions: perspectives on the rigid multiblob method (invited Perspective). Physical Review Fluids, 10(10), 100701,  https://arxiv.org/abs/2505.06066

4. Delmotte, B.*^, Usabiaga, F. B.* (2024). A scalable method to model large suspensions of colloidal phoretic particles with arbitrary shapes Journal of Computational Physics, 113321. https://arxiv.org/abs/2403.05337

5. Li, Z.*, Bielinski, C.*,  Lindner, A.^,  du Roure, O.^,  Delmotte, B.^ (2024). Non-trivial dynamics of rigid fibers interacting with triangular obstacles in microchannel flows. Physical Review Fluids, 9(4), 044302. https://arxiv.org/abs/2311.17635

6. Makanga, U.*, Delmotte, B.*, Duprat, C.* (2023). Patent: "Device for sorting fibres by differentiated lateral displacement and method for sorting fibres", FR2206968A/US20250222375A1/WO2024008947A1.

7. Delmotte, B. (2023). Viscosity ratio across interfaces controls the stability and self-assembly of microrollers. Physical Review Fluids, 8(6), L062302. https://arxiv.org/abs/2302.00073 

8. Makanga, U., Sepahi, M., Duprat, C.^, Delmotte, B.^ (2023). Obstacle-induced lateral dispersion and nontrivial trapping of flexible fibers settling in a viscous fluid. Physical Review Fluids, 8(4), 044303. https://arxiv.org/abs/2209.10692

9. van der Wee, E.^ , Blackwell, B., Usabiaga, F.B., Sokolov, A., Katz, I., Delmotte, B.*^, Driscoll, M.*^ (2023). A simple catch: thermal fluctuations enable hydrodynamic trapping of microrollers by obstacles. Science Advances 9(10), https://arxiv.org/pdf/2204.04995.pdf, https://doi.org/10.1126/sciadv.ade0320 

In the news:  - Phys.org  "A surprising way to trap a microparticle", 

                     - CNRS Journal "Un piégeage de particules grâce au mouvement brownien"

10. Usabiaga, F. B.*, Delmotte, B.*^ (2022). A numerical method for suspensions of articulated bodies in viscous flows. Journal of Computational Physics, 111365. https://arxiv.org/abs/2107.10800

11. Westwood, T. A., Delmotte, B., & Keaveny, E. E.^ (2022). A generalised drift-correcting time integration scheme for Brownian suspensions of rigid particles with arbitrary shape. Journal of Computational Physics, 111437 https://arxiv.org/abs/2106.00449

12. Rojas-Pérez, F., Delmotte, B., & Michelin, S.^ (2021). Hydrochemical interactions of phoretic particles: a regularized multipole framework. Journal of Fluid Mechanics, 919. ArXiV: https://arxiv.org/abs/2104.12396

13. Sprinkle, B., Wilken, S., Karapetyan, S., Tanaka, M., Chen, Z., Cruise, JR., Delmotte, B., Driscoll, M., Chaikin, P., Donev, A.^, (2021). Sedimentation of a colloidal monolayer down an inclined plane. Physical Review Fluids, 6(3), 034202. ArXiv: https://arxiv.org/abs/2011.14472

14. M.  Sulaiman, E. Climent^, B. Delmotte, P. Fede, F. Plouraboué, G. Verhille,  (2019). Numerical modelling of long flexible fibers in homogeneous isotropic turbulence, The European Physical Journal E. doi: https://link.springer.com/article/10.1140%2Fepje%2Fi2019-11894-7

15. Delmotte, B. (2019). Hydrodynamically bound states of a pair of microrollers: A dynamical system insight. Physical Review Fluids, 4(4), 044302.  doi: https://link.aps.org/doi/10.1103/PhysRevFluids.4.044302.  ArXiv: https://arxiv.org/abs/1811.05168

16. M. Driscoll*^, B. Delmotte*^, (2018). Leveraging Collective Effects in Externally Driven Colloidal Suspensions: Experiments and Simulations.  Current Opinion in Colloid & Interface Science.  doi: https://doi.org/10.1016/j.cocis.2018.10.002, ArXiv: https://arxiv.org/abs/1810.12977

17. B. Delmotte^, E.E. Keaveny, E. Climent, F. Plouraboué, (2018). "Simulations of Brownian tracer transport in squirmer suspensions" IMA Journal of Applied Mathematics. doi: https://doi.org/10.1093/imamat/hxy012, ArXiv: https://arxiv.org/abs/1711.01442

18. B. Delmotte^, M. Driscoll, A. Donev, P. Chaikin, (2017). A minimal model for a hydrodynamic fingering instability in microroller suspensions. Physical Review Fluids. doi: https://doi.org/10.1103/PhysRevFluids.2.114301, ArXiv: https://arxiv.org/abs/1706.07330

19. B. Delmotte, M. Driscoll, P. Chaikin, A. Donev, (2017). Hydrodynamic Shocks in Microroller Suspensions". Physical Review Fluids. doi: https://doi.org/10.1103/PhysRevFluids.2.092301,  ArXiv: https://arxiv.org/abs/1702.03350 

20. F. Plouraboue, E. Ibrahima, B. Delmotte, E. Climent, (2017). Identification of internal properties of fibers and micro-swimmers. Proceedings of the Royal Society A, doi: http://rspa.royalsocietypublishing.org/content/473/2197/20160517.

21. F. Balboa-Usabiaga, B. Delmotte and A . Donev, (2017). Brownian Dynamics of Active Sphere Suspensions Confined Near a No-Slip Boundary. Journal of Chemical Physics, doi: https://doi.org/10.1063/1.4979494,  ArXiv: http://arxiv.org/abs/1612.00474.

22. M. Driscoll*, B. Delmotte*, M. Youssef, S. Saccana, A. Donev, P. Chaikin, (2017). Unstable Fronts and Stable Motile Structures formed by Microrollers, Nature Physics, doi: http://dx.doi.org/10.1038/nphys3970 , ArXiv: ArXiv:1609.08673.  

See the News and Views from Pietro Tierno. Video from the Gallery of Fluid Motion at APS-DFD: https://www.youtube.com/watch?v=V1GTbao_noU.  See a presentation by Michelle and I at Syracuse University: https://www.youtube.com/watch?v=uJEwnE9_ovE&t=25s

23. F. Balboa-Usabiaga*, B. Kallemov*, B. Delmotte*, A. Pal Singh Balla, B. Griffith and A. Donev^, (2016). Hydrodynamics of Suspensions of Passive and Active Rigid Particles: A Rigid Multiblob Approach, Communications in Applied Mathematics and Computational Science, 11 (2), 217-296: https://doi.org/10.2140/camcos.2016.11.217 ArXiv: http://arxiv.org/abs/1602.0217.

24. B. Delmotte, E. Keaveny, (2015). Simulating Brownian Suspensions with Fluctuating Hydrodynamics, Journal of Chemical Physics, 143, 244109, link: http://dx.doi.org/10.1063/1.4938173, ArXiv: http://arxiv.org/abs/1507.02185

25. B. Delmotte, E. Keaveny, F. Plouraboué and E. Climent, (2015). Large-scale Simulation of Steady and Time-dependent Active Suspensions with the Force-Coupling Method, Journal of Computational Physics, 302, 524-547, link: doi:10.1016/j.jcp.2015.09.020

26. B. Delmotte, F. Plouraboué and E. Climent, (2015). A general formulation of Bead Models applied to flexible fibers and active filaments at low Reynolds number, Journal of Computational Physics, 286, 14-27, link: doi:10.1016/j.jcp.2015.01.026

27. B. Delmotte, F. Plouraboué and E. Climent, (2013). Hydrodynamic interactions among large populations of swimming micro-organisms, Computer Methods in Biomechanics and Biomedical Engineering, 16(sup1), 6-8, http://www.tandfonline.com/doi/abs/10.1080/10255842.2013.815881

28. M.C. Rochoux, B. Delmotte, B. Cuenot, S. Ricci, A. Trouvé, (2013). Regional-scale simulations of wildland fire spread informed by real-time flame front observations, Proceedings of the Combustion Institute, 34 (2), 2641-2647, link: doi:10.1016/j.proci.2012.06.090

29. M.C. Rochoux, B. Cuenot, S. Ricci, A. Trouvé, B. Delmotte, S. Massart, R. Paoli, R. Paugam, (2013). Data assimilation applied to combustion, Comptes Rendus Mécanique, 341 (1), 266-276, link: doi:10.1016/j.crme.2012.10.011

PhD Thesis

"Modeling and Simulation of Individual and Collective Swimming Mechanisms in Active Suspensions" (PDF in English)

Defended on September 21st, 2015 at Institut Mécanique des Fluides de Toulouse.

Jury:

• Raymond Goldstein, Professor (University of Cambridge)

• Ignacio Pagonabarraga, Professor (Universitat de Barcelona)

• Bertrand Maury, Professor (Université Paris-Sud)

• Arezoo Ardekani, Assistant Professor (Purdue University)

• Eric Keaveny, Lecturer (Imperial College)

• Franck Plouraboué, DR CNRS (Institut Mécanique des Fluides de Toulouse)

• Pierre Degond, Chair Professor (Imperial College)

• Eric Climent, Professor (Institut National Polytechnique de Toulouse)