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Bubbles and Particles in Fluid Flows

Theory-Algorithms

  • M. Farazmand, T. Sapsis, Surface waves enhance particle dispersionFluids, 4 (2019) (12 pages). [pdf]
  • Z. Y. Wan, T. Sapsis, Machine learning the kinematics of spherical particles in fluid flowsJournal of Fluid Mechanics857 (2018) R2 (11 pages). [Code] [pdf]
  • T. Sapsis & G. Haller, Clustering criterion for inertial particles in 2D time-periodic and 3D steady flowsChaos20 (2010) 017515 (11 pages). [pdf]
  • G. Haller & T. Sapsis, Localized instability and attraction along invariant manifoldsSIAM Journal of Applied Dynamical Systems9 (2010) 611-633. [pdf]
  • T. Sapsis & G. Haller, Instabilities in the dynamics of neutrally buoyant particlesPhysics of Fluids20 (2008) 017102 (7 pages). [pdf]
  • G. Haller, T. Sapsis, Where do inertial particles go in fluid flows?Physica D237 (2008) 573-583. [pdf]

Applications

  • A. Charalampopoulos, S. H. Bryngelson, T. Colonius, T. Sapsis, Hybrid quadrature moment method for accurate and stable representation of non-Gaussian processes and their dynamics, Submitted, (2021) (20 pages). [pdf]
  • S. Atis, M. Leclair, T. Sapsis, T. Peacock, Anisotropic particles focusing effect in complex flows, Submitted, (2021) (9 pages)[pdf]
  • Z. Y. Wan, P. Karnakov, P. Koumoutsakos, T. Sapsis, Bubbles in turbulent flows: Data-driven, kinematic models with history termsInternational Journal of Multiphase Flows, 129 (2020) 103286 (11 pages)[pdf]
  • N. Aksamit, T. Sapsis, G. Haller, Machine-learning ocean dynamics from Lagrangian drifter trajectoriesJournal of Physical Oceanography, 50 (2020) 1179-1196[pdf]
  • S. Bryngelson, A. Charalampopoulos, T. Sapsis, T. Colonius, A Gaussian moment method and its augmentation via LSTM recurrent neural networks for the statistics of cavitating bubble populationsInternational Journal of Multiphase Flows, 127 (2020) 103262 (8 pages)[pdf]
  • T. Sapsis, N. Ouellette, J. Gollub, & G. Haller, Neutrally buoyant particle dynamics in fluid flows: Comparison of Experiments with Lagrangian stochastic modelsPhysics of Fluids23 (2011) 093304 (15 pages). [pdf]
  • T. Sapsis, J. Peng, & G. Haller, Instabilities on prey dynamics in jellyfish feedingBulletin of Mathematical Biology73 (2011) 1841-1856. [pdf]
  • T. Sapsis & G. Haller, Inertial particle dynamics in a hurricaneJournal of the Atmospheric Sciences66 (2009) 2481-2492. [pdf]