Falling Droplet CFD Simulation

Explore the fascinating world of fluid dynamics with this ANSYS Fluent tutorial on falling droplet simulation using the Volume of Fluid (VOF) method. This module offers an in-depth look at droplet behavior, providing a perfect introduction to multiphase flow modeling for beginners and a valuable refresher for experienced users.

Key aspects covered: • Applying the VOF model to simulate the transient behavior of a falling water droplet in air • Understanding the pre-configured axisymmetric geometry representing the droplet and surrounding air • Implementing appropriate boundary conditions and initial setup for droplet simulation • Configuring VOF parameters to accurately capture the droplet interface and its evolution • Analyzing droplet deformation, oscillation, and potential breakup during free fall • Investigating the effects of surface tension, gravity, and air resistance on droplet dynamics • Interpreting transient simulation results to understand droplet behavior over time

Through this guided simulation, you’ll gain hands-on experience in using the VOF method to track the dynamic interface between the water droplet and surrounding air. The tutorial provides valuable insights into simulating surface tension-dominated flows and interfacial dynamics.

By the end of this module, you’ll be proficient in using ANSYS Fluent’s VOF model to simulate and analyze droplet behavior. This knowledge is crucial for engineers and researchers working in various fields, including spray systems, inkjet printing, rainfall analysis, and other applications involving droplet dynamics.