Project
Soft Sphere Falling
Simulation of a soft deformable sphere falling in fluid showing the deformation and wake dynamics.
1 Challenge
Understanding the deformation of soft objects falling in fluid under gravity.
2 CFD Approach
A soft sphere falling in water under gravity was simulated. Non-reflecting boundary conditions were used on all sides of the computational region.
3 Results
The originally spherical solid body assumes a kidney-bean shape with a pronounced concave arch along the bottom.
4 Engineering Conclusion
The pressure contours are considerably altered relative to a rigid sphere, leading to higher pressure difference between front and back.
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