No one will try to bite into a potato chip from the middle, unless they want to exercise their mouth muscles. But it is just a starch puffed product, why do you need more strength to bite from the middle?
What structure? Its shape is called a hyperbolic paraboloid in mathematical calculus. Because the shape is like a saddle so it is also called the saddle surface .
Each saddle surface has two parabolas, one red and one white, to understand whether the hyperbolic paraboloid fits perfectly into your mouth.
Not only can withstand the pull, but also can withstand the squeeze in the pressure, the tension between the formation of a clever balance so the chips are thin, but also extremely stable.
So, you still want to exercise the oral muscles.
After the introduction of the mouth to bite the move, the following to talk about the mouth bite.
The building, which looks like a chip, was the winner of 100 designs for the London 2012 Olympic Indoor Velodrome.
A full half of the material is saved using only 1092 tons of steel.
Construction time is also cut in half and materials are reduced, saving costs while also reducing carbon emissions.
How thin is the house to fly?
Hyperbolic paraboloid
Actually, the hyperbolic paraboloid was used in architecture a long time ago.
Felix Kendra is the original.
He's a concrete shell master.
Designed 900 projects in a lifetime
Hyperbolic paraboloid.
Scotiabank Saddledome
Coincidentally, this is another building that looks like potato chips. Located in Canada - also used a saddle.
The saddle-face is stiffer because the geometry of the hyperbolic paraboloid gives it strange mechanical properties -- like the inability to form a stress line.
That is to say, it is difficult for a small crack to expand into a long crack and spread all at once. So when potato chips with hyperbolic paraboloid are broken - they can only be broken into small pieces. it is very difficult to break into a large piece, let alone break into symmetrical pieces.
In addition, a hyperbolic paraboloid can withstand not only pulling but also pushing. Because the concave part of the hyperbolic paraboloid is under tension, while the convex part can bear the tension when it is extruded.