This chapter contains information relating to the multiphase models implemented as beta features in Ansys Fluent 2025 R1.

• 15.1. Interfacial Viscous Dissipation Method
• 15.2. Evaporation-Condensation Binary Mass Transfer Mechanism
• 15.3. Large Eddy Simulation (LES) Model for Eulerian Multiphase
• 15.4. Expert Options for the QMOM
• 15.5. Coupling Between the Evaporation-Condensation Model and the Discrete PBM
• 15.6. The Montoya Lift Coefficient Correction
• 15.7. Additional Evaporation-Condensation Models
• 15.8. DDPM Static Pileup Model
• 15.9. Hybrid NITA Advanced Variant
• 15.10. Numerical Ventilation Treatment
• 15.11. Flow Regime Modeling with the Multi-Fluid VOF Eulerian Model
• 15.12. Using Expressions to Define Drag and Lift Coefficients