Indeed, apart from some breakup models that require viscosity (Oh number), most breakup models are only related to the We number (without viscosity). If I only use breakup models related to the We number, can the problem I encountered be solved by the solution discussed above? (That is, when the VOF-to-DPM operation occurs, the fluid shear should be at its maximum. At this time, the particle’s viscosity can be set to infinite Shear Viscosity.)