Table 2.
Numerical parameters
| Name | Value | Description |
|---|---|---|
| pf.epsilon_pf | 2.8 × 10−8 [m] | Parameter controlling interface thickness |
| pf.dfdphi | 0 | phi-derivative of external free energy |
| pf.sigma | 68.41 [mN/m] | Surface tension coefficient (TPE, 1 mg/mL) |
| pf.sigma | 31.39 [mN/m] | TPE, 0.025 mg/mL |
| pf.sigma | 32.75 [mN/m] | Surface tension coefficient (C-6) |
| pf.mobility | pf.epsilon_pf^2*pf.chi | Mobility |
| pf.lam | 3*pf.sigma*pf.epsilon_pf/sqrt(8) | Mixing energy density |
| pf.Vf1 | 1-pf.Vf2 | Volume fraction of solute |
| pf.Vf2 | min(1,max(0.5*(1 + phipf),0)) | Volume fraction of solvent |
| pf.phipfReg | min(1,max(phipf,−1)) | Regularized phase field variable |
| pf.chi | 5.90 × 10−4 [m*s/kg] | Mobility tuning parameter (TPE, 1 mg/mL) |
| pf.chi | 1.02 × 10−3 [m*s/kg] | TPE, 0.025 mg/mL |
| pf.chi | 9.50 × 10−4 [m*s/kg] | Mobility tuning parameter (C-6) |
| pf.lref | 10*pf.epsilon_pf [m] | Reference length for two phase flow |
| pf.G0i | nojac(2/pf.lref) [1/m] | Auxiliary wall variable |
| pf.DwVar | 1/GI-1/pf.G0i [m] | Help variable |
| pf.Dwi | pf.DwVar [m] | Initial interface distance |