A helix pulled at a constant velocity †
- Simulation parameters (
N30k3.0p52.0_vy.udf)
- CFD Lattice: 256 x 256 x 256 mesh
- Number of Beads: N = 30
- Diameter of Particles: D = 4 mesh
- Volume Fraction: Φ = 0.00048
- Velocity: V = -0.005
- Number of Iteration Steps: 100000
- Computation Time: 4 days on single core
- Parameters of the helical particle
- Orientation: crockwise
- Number of Beads: N = 30
- Number of Turns: k = 3.0
- Helical Pitch: p = 52.0 mesh
A helix rotated at a constant angular velocity †
- Simulation parameters (
N30k3.0p52.0_omegay.udf)
- CFD Lattice: 256 x 256 x 256 mesh
- Number of Beads: N = 30
- Diameter of Particles: D = 4 mesh
- Volume Fraction: Φ = 0.00048
- Angular Velocity: Ω = 0.00041
- Number of Iteration Steps: 100000
- Computation Time: 4 days on single core
- Parameters of the helical particle
- Orientation: crockwise
- Number of Beads: N = 30
- Number of Turns: k = 3.0
- Helical Pitch: p = 52.0 mesh
A helix in sedimentation †
- Simulation parameters (
N30k3.0p52.0_gravity.udf)
- CFD Lattice: 256 x 256 x 256 mesh
- Number of Beads: N = 30
- Diameter of Particles: D = 4 mesh
- Volume Fraction: Φ = 0.00048
- Gravity: g = -0.01
- Number of Iteration Steps: 100000
- Computation Time: 1.1 day on 8 cores (with ICC+MKL+OMP)
- Parameters of the helical particle
- Orientation: crockwise
- Number of Beads: N = 30
- Number of Turns: k = 3.0
- Helical Pitch: p = 52.0 mesh
Three helices in sedimentation †
- Simulation parameters (
helixes_gravity.udf)
- CFD Lattice: 256 x 256 x 256 mesh
- Number of Beads: N = 100
- Diameter of Particles: D = 4 mesh
- Volume Fraction: Φ = 0.0016
- Gravity: g = -0.01
- Number of Iteration Steps: 100000
- Computation Time: 1.1 day on 8 cores (with ICC+MKL+OMP)
- Parameters of the helical particles (left-to-right)
- Number of Beads: N = 35, 25, 40
- Number of Turns: k = 4.0, 2.5, 3.0
- Helical Pitch: p = 20.0, 44.0, 36.0
Three helices in planer shear flow with Lees-Edwards PBC †
- Simulation parameters (
helixes_shear0005.udf)
- CFD Lattice: 256 x 256 x 256 mesh
- Number of Beads: N = 100
- Diameter of Particles: D = 4 mesh
- Volume Fraction: Φ = 0.0016
- Shear Rate: s = 0.005
- Number of Iteration Steps: 50000
- Computation Time: 2 days on 8 cores (with ICC+MKL+OMP)
- Parameters of the helical particles (left-to-right)
- Number of Beads: N = 35, 25, 40
- Number of Turns: k = 4.0, 2.5, 3.0
- Helical Pitch: p = 20.0, 44.0, 36.0
- Files needed to reproduce these simulations
- Input UDF file:
s001_t000_rigid.udf
N30k3.0p52.0_vy.udf
N30k3.0p52.0_omegay.udf
N30k3.0p52.0_gravity.udf
helixes_gravity.udf
helixes_shear0005.udf
- Define UDF file:
define.udf [v3.02]
- GOURMET:
particleshow.py
show_velocity2_rigid.py
- AVS/Express:
- Input UDF file:
- Tools for helical particles
- Related Papers
Attach file:









