* A single rigid chain in zigzag shear flow (s=0.01) at kBT=0 [#ad1858a7] #youtube(xz17I8cQMQk) - cf. "A single chain in zigzag shear flow (s=0.01) at kBT=0" in [[Chain Motions>Re06]] - Simulation parameters -- CFD Lattice: 32 x 64 x 16 mesh -- Number of Beads: N = 5 -- Diameter of Particles: D = 4 mesh -- Volume Fraction: Φ = 0.041 -- Temperature: kBT = 1.0 -- Shear Rate: s = 0.01 -- Number of Iteration Steps: 240000 -- Computation Time: 1 day on 8 cores (with ICC+MKL+OMP) ---- * A helical chain at a constant velocity [#d9ed11c5] //#youtube(csr-gSSoRmE) - Simulation parameters -- 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 helical chain at a constant angular velocity [#a3ccf30d] //#youtube(csr-gSSoRmE) - Simulation parameters -- 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 helical chain in a gravitational field [#waf505fe] #youtube(7b9OB4tmB7A) - Simulation parameters -- 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 ---- * Helical chains in a gravitational field [#k35c6a0f] #youtube(PnkM2dWNZmo) - Simulation parameters -- 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 ---- - Files needed for reproducing this simulation -- Input UDF file: &ref(s001_t000_rigid.udf); &ref(N30k3.0p52.0_vy.udf); &ref(N30k3.0p52.0_omegay.udf); &ref(N30k3.0p52.0_gravity.udf); &ref(helixes_gravity.udf); -- Define UDF file: &ref(define.udf); -- GOURMET: &ref(particleshow_rigid.py); &ref(show_velocity2_rigid.py); -- AVS/Express: - Tools for helical particles -- &ref(helixudf_generator.zip); ---- - Related Papers