Publications

2025

• Xinyu Si, Filippo De Lillo, Guido Boffetta, and Lei Fang. “Manipulating the direction of turbulent energy flux via tensor geometry in a two-dimensional flow,” Science Advances 11.30 (2025): eadv0956. [PDF].

• Zexu Li and Lei Fang. “Thin layer formation of ellipsoidal gyrotactic swimmer in unsteady hydrodynamic shear,” Journal of Fluid Mechanics [PDF].

• Ziyue Yu, Xinyu Si, and Lei Fang. “Turbulence at Low Reynolds Number,” Under  Referee Review of Science Advances. 

• Xinyu Si, Filippo De Lillo, Guido Boffetta, and Lei Fang. “Small Perturbations Weaken Multi-kilometre Ocean Transport Barriers,” In preparation.

• Zexu Li, Rui Zhu, Eckart Meiburg, and Lei Fang. “How small is too small? On the minimum swimmer size required to generate sustained biogenic turbulence ” In preparation.

2024

• Xinyu Si and Lei Fang. “Biologically generated turbulent energy cascade in shear flow depends on tensor geometry,” PNAS nexus [PDF].

• Xinyu Si and Lei Fang. “Interaction between swarming active matter and flow: the impact on Lagrangian coherent structures,” Physical Review Fluids, Chosen as Editor's Picks [PDF].

• Zexu Li and Lei Fang. “On the ideal gas law for crowds with high pressure,” Physica A: Statistical Mechanics and its Applications (2024): 129657 [PDF].

2022 ​

• Xinyu Si, and Lei Fang.“Preferential transport of swimmers in heterogeneous two-dimensional turbulent flow,” Phys. Rev. Fluids 7 (2022), 094501.[PDF]

2021​

• Xinyu Si, and Lei Fang.“Toward the modeling of social distanced crowds: a new social distance term and the sidewall effect at bottlenecks.” Sci Rep 11, 20982 (2021). [PDF]

• Lei Fang and Nicholas T. Ouellette. "Spectral condensation in laboratory two-dimensional turbulence." Physical Review Fluids 6, 104605 (2021). [PDF]

• Xinyu Si, and Lei Fang. "Preferential alignment and heterogeneous distribution of active non-spherical swimmers near Lagrangian coherent structures." Physics of Fluids 33, no. 7 (2021): 073303. Chosen as Editor's Picks.[PDF]

• Lei Fang, and Nicholas T. Ouellette. "Assessing the information content of complex flows." Physical Review E 103, no. 2 (2021): 023301.[PDF]

2020

• Lei Fang, Sanjeeva Balasuriya, and Nicholas T. Ouellette. “Disentangling resolution, precision, and inherent stochasticity in nonlinear systems.” Physical Review Research 2, 023343 (2020).[PDF]

• Zeyou Zhou, Lei Fang, Nicholas T. Ouellette, and Haitao Xu. “Vorticity gradient stretching in the direct enstrophy transfer process of two-dimensional turbulence.” Physical Review Fluids 5, 054602 (2020).[PDF]

2019

• Lei Fang, Sanjeeva Balasuriya, and Nicholas T. Ouellette. “Local linearity, coherent structures, and scale-to-scale coupling in turbulent flow,” Physical Review Fluids 4, 014501 (2019).[PDF]

• Lei Fang, and Nicholas T. Ouellette. “Transport across a bathymetric interface in quasi-two-dimensional flow,” Physical Review Fluids 4, 064501 (2019).[PDF]

2018

• Lei Fang, and Nicholas T. Ouellette. “Influence of lateral boundaries on transport in quasi-two-dimensional flow,” Chaos 28, 023113 (2018). Chosen as a Featured paper in Chaos, and summarized in an AIP Scilight.[PDF]

2017

• Lei Fang, and Nicholas T. Ouellette. “Multiple stages of decay in two-dimensional turbulence,” Phys. Fluids 29, 111105 (2017).[PDF]

2016

• Lei Fang, and Nicholas T. Ouellette. “Advection and the efficiency of spectral energy transfer in two-dimensional turbulence,” Phys. Rev. Lett. 117, 104501 (2016).[PDF]

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