Tokyo Institute of Technology: split-finger falling mechanism: Supercomputer analysis

By super computer, Data Science and Machine-Learning

Tokyo Institute of Technology: split-finger falling mechanism: Supercomputer analysis

Tokyo Institute of Technology:

Professor Takayuki Aoki’s group:

When a hardball baseball is thrown
By rotation of the sphere and seams
In what direction the force is applied
We analyzed it with a supercomputer.

Results of supercomputer analysis:

With split-finger

The air resistance on the upper side of the sphere is large,
The resistance on the lower side is reduced.
It turns out that a downward force is applied.
It was also confirmed that the lower the number of rotations of the sphere, the greater the downward force.

We compared a straight ball with the same speed as a split-finger at 151 km / h.

The result is that the split-finger drops 30 centimeters.

Baseball | NHK News

https://www3.nhk.or.jp/news/html/20210323/k10012931001000.html

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