Recently, the technology of physics simulation that can show them to a web browser has become amazing.

I came up with this technology and thought about the method to solve the problem of yesterday,

"It is impossible"

I finally decided the above.

First of all, I do not have time to master these techniques, and I judged that the condition was too complicated to make the physical model.

It cannot be helped, and I will try to make a simple model.

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By the way, at the present moment, there seems to be no one who tried to simulate the "railroad accident scene" as a physical model.