Table 1 Numerical values of parameters and fluid properties adopted in the simulations
From: Anomalous dynamics of a passive droplet in active turbulence
Non-dimensional parameter/property | ||
|---|---|---|
\({{{{{\rm{Re}}}}}}\) | 0.1 | |
\({{{{{{\rm{Re}}}}}}}_{{{{{{\rm{a}}}}}}}\) | 0.5 | |
\({{{{{{\rm{Re}}}}}}}_{{{{{{\rm{f}}}}}}}\) | 0.00075 | |
\({{{{{{\rm{Re}}}}}}}_{{{{{{\rm{I}}}}}}}\equiv {{{{{{\rm{Ca}}}}}}}^{-1}\) | 1, 3, 7, 11, 15, 19 | |
System size Lx × Ly | 200 × 200, 400 × 400, 450 × 450 | |
Grid size M × N | 256 × 256, 512 × 512, 576 × 576 | |
Droplet radius R | 8, 15, 16, 30, 32, 45, 48, 64 | |
Time step Δt | 1.0 × 10−3 | |
Phase 1: active nematic fluid | Phase 2: passive nematic droplet | |
|---|---|---|
Density \({\rho }^{{\prime} }\) | \({\rho }_{1}^{{\prime} }=1.0\) | \({\rho }_{2}^{{\prime} }=2.0\) |
Viscosity \({\eta }^{{\prime} }\) | \({\eta }_{1}^{{\prime} }=1.0\) | \({\eta }_{2}^{{\prime} }=2.0\) |
Activity \({\zeta }^{{\prime} }\) | \({\zeta }_{1}^{{\prime} }=1.0\) | \({\zeta }_{2}^{{\prime} }=0.0\) |
Friction \({\mu }^{{\prime} }\) | \({\mu }_{1}^{{\prime} }=1.0\) | \({\mu }_{2}^{{\prime} }=1.0\) |
Alignment λ | λ1 = 0.8 | λ2 = 0.8 |
Elastic constant \({K}^{{\prime} }\) | \({K}_{1}^{{\prime} }=0.25\) | \({K}_{2}^{{\prime} }=0.25\) |
Material constant \({C}^{{\prime} }\) | \({C}_{1}^{{\prime} }=0.4\) | \({C}_{2}^{{\prime} }=0.4\) |
Relaxation \({\Gamma }^{{\prime} }\) | \({\Gamma }_{1}^{{\prime} }=1.0\) | \({\Gamma }_{2}^{{\prime} }=1.0\) |
