The Great Sphinx CFD Wind Erosion Study

There are many erosion processes that relate directly to either water or air flow. And if it flows, then Computational Fluid Dynamics (CFD) can help. So it should come as no surprise that CFD was used to better understand and predict the wind erosion on the Great Sphinx in Egypt.

Caedium CFD Simulation Around The Great SphinxCaedium CFD Simulation Around The Great SphinxRendered in POV-Ray

The research team of Ashraf S. Hussein (Ain Shams University) and Hisham El-Shishiny (IBM Cairo) performed a detailed CFD analysis of the Giza Plateau in Egypt, which includes the Pyramids and the Great Sphinx. They focused on the Sphinx and demonstrated a good correlation between the actual eroded areas on the Sphinx and the CFD predictions of high shear stress (frictional force) regions under the action of the prevailing winds.

Given that CFD can reasonably predict the eroded regions on the Sphinx, it seems that the next role for CFD could be to help design a deflector to prevent further erosion. Once you get started with CFD it's difficult to stop - it's addictive!

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Take a virtual spin around the Great Sphinx

Caedium CFD Simulation of the Great SphinxStreamlines represented as cones, colored by velocity magnitude

Caedium automatically created each frame in POV-Ray and compiled them into the final video.

Amazing

THAT is one very impressive virtual "spin"!

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