Guides

©2026 ANSYS, Inc. 3 What is Ansys FreeFlow? Ansys FreeFlow is a smoothed-particle hydrodynamics (SPH) simulation software designed for single-phase free surface flows. Its powerful GPU-based solver manages large-scale simulations featuring millions of SPH elements efficiently.

• What's New in Ansys FreeFlow
• A new product is available, with a huge R&D background
• What is Ansys FreeFlow?
• Some key areas of the Ansys FreeFlow 2026 R1 enhancementsAn engineering tool for tackling complex free-surface flow applications
• SPH Fluids Simulation
• SPH Adaptive Size
• SPH Adaptive Size (1)
• Dam Break Case Simulation – Performance Gain
• IISPH Promotion to Main Feature
• Slide Number 10
• Flat Plate HTC Correlation module
• SPH Implicit Viscous Forces (Beta)
• Periodic Continuous Injection Support
• Multiphysics Coupling
• Slide Number 15
• Slide Number 16
• Performance and Usability
• Optimization of the Volumetric Generation of SPH Elements
• Extend SPH Flowmeters
• Dynamic Keywords for Plot Annotations
• Support & Help Direct Access
• Slide Number 22