Sphinx 3D: Another Windswept Model
My previous post on the use of 3D Models of the Sphinx and pyramids to predict weathering prompted a few post from fellow bloggers around the web. One of these was by Andie Byrnes, who also mentioned another similar effort by an Egyptian team as reported in Scientific Computing.
From the Scientific Computing article:
Virtual Immersive Science and Technology Applications (VISTA) is a project established by the International School of Information Science (ISIS) at Bibliotheca Alexandrina in order to provide an interactive virtual reality environment. The environment allows researchers to transform numerical and 2-D data sets into 3-D simulations and to step into them. The VISTA team has implemented visualization of the researchers’ wind simulation results on a CAVE system using Avizo Wind software’s advanced visualization and analysis tools to provide new insights and better understanding of the data.
Read the full story with pictures: Invisible Winds at Egypt’s Great Sphinx Revealed
On the VISTA website it explains further:
ISL Algorithm provides a 3D animated representation of the whole air flow field. The CAVE system allows the user to get immersed inside the ISL field, which gives better insights and hence understanding of it rather than the 2D screens.
The vorticity magnitude on the surface of the statue, which is a measure of the friction stress, is visualized as color contours on the Sphinx surface. The Sphinx’s weak areas, which are the left shoulder and the top of the hunches, are exposed to maximum wind friction. The back of the head and the top of the trunk are also considered vulnerable areas.
The VISTA team have also built a model of the Bibliotheca Alexandrina itself and is also worth reading about at their website:
VISTA Biblioetheca Alexandrina model
Sphinx Perspective by Oberazzi CC by NC SA
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And yet another mention of ‘this is so much kewler when seen in the CAVE system’. I really want to try one of those out..