Select the appropriate physics models within Flow 3D to simulate the process. This might include turbulent flow, heat transfer, and mechanical deformation of the rock.

| Feature | How it helps for crack top modeling | |--------|--------------------------------------| | | Sharp tracking of water surface over the crest, including splashing, aeration, and reverse flow. | | Porous media option | If the crack top is partially blocked (vegetation, rocks), you can model resistance without meshing every detail. | | Non-Newtonian sediment model | Simulates cohesive soil erosion — critical for an initial crack widening into a breach. | | Moving mesh / Shutters | Can model gate lifting or crest failure progression. | | Stability | Handles high-velocity (10+ m/s) overtopping without numerical explosion. |

So how do engineers predict where and why a crack will form—and more importantly, how water will behave once it's there? Enter .