This chapter describes how you can model solidification and melting in Ansys Fluent. For information about using the model, see Modeling Solidification and Melting of the User's Guide. Information about the theory behind the model is organized into the following sections:

• 15.1. Overview
• 15.2. Limitations
• 15.3. Introduction
• 15.4. Energy Equation
• 15.5. Momentum Equations
• 15.6. Turbulence Equations
• 15.7. Species Equations
• 15.8. Back Diffusion
• 15.9. Pull Velocity for Continuous Casting
• 15.10. Contact Resistance at Walls
• 15.11. Thermal and Solutal Buoyancy