A single swimmer (puller) †

• Simulation parameters (squirm_single_a+2.udf)
  • CFD Lattice: 64 x 64 x 64 mesh
  • Number of Particles: N = 1
  • Diameter of Particles: D = 10 mesh
  • Volume Fraction: Φ = 0.002
  • Swimming Speed: V = 2/3 B1 = 0.01
  • Squirming Mode: B2 = +2
  • Particles Reynolds No.: Re ~ 0.01
  • Number of Iteration Steps: 500,000
  • Computation Time: 0.6 Days on single core

A suspension of swimmers (puller) †

• Simulation parameters (squirm_phi0.1_a+2.udf)
  • CFD Lattice: 64 x 64 x 64 mesh
  • Number of Particles: N=50
  • Diameter of Particles: D = 10 mesh
  • Volume Fraction: Φ = 0.1
  • Swimming Speed: V = 2/3 B1 = 0.01
  • Squirming Mode: B2 = +2
  • Particles Reynolds No.: Re~0.01
  • Number of Iteration Steps: 1,000,000
  • Computation Time: 2 days on single core

• Files needed for reproducing this simulation
  • Input UDF file: squirm_single_a+2.udf squirm_phi0.1_a+2.udf
  • Define UDF file: define.udf [v3.02]
  • GOURMET: particleshow.py
  • AVS/Express: janus.v
  • Mathematica: swimmer_trj_example.nb

• Related Papers
  • J.J Molina, Y. Nakayama, R. Yamamoto, Hydrodynamic Interactions of Self-Propelled Swimmers
    Soft Matter Vol.9(19), 4923-4936 (2013).