What is the most energy efficient shape found in nature? What is the most structually sound?

Question

I have often heard that the circle or sphere is the most energy efficient shape found in nature. Is this true, and is it the most structually sound or efficient shape?

Answer 1

Your first question isn't clear. As for the second one, it depends entirely on how the structure is loaded. A spherical shell is the most efficient shape for a diving bell if your goal is to enclose a given volume with the least amount of metal to hold off the pressure.

Answer 2

For "energy efficiency", the sphere has the lowest surface for a given volume. Therefore, a heated sphere will cool down slower than any other body made from the same material.

For "structurally sound", you must first define the purpose. An empty sphere subjected to uniform external pressure is also the most sound structure, as the material will be subjected to exactly the same stress in all points; other shapes will not distribute stress with the same evenness, so there will be regions with lower stress and regions with higher stress (which will yield first, and at lower external pressure than a sphere would). Batiscaphs (used for exploring deep sea) are spheres, or have a shape close to it.

Answer 3

Yes, the sphere is the most energy efficient shape. That's why bubbles end up that way.

Answer 4

yes of course the spherical shape is the most energy efficient shape found in nature......

you can take the example of a water droplet which assumes the shape of a sphere because of its surface tension.......cause the spherical shape has the least surface area for the given volume showing it is the strongest shape for the water to assume.....

Answer 5

i think the most structurally sound would be the egg. eggs have an amazingly hard shell. you should try it some time. take a chicken egg, then start setting your textbooks on it. it will take several before it breaks.so sphere is the strongest. i would be guessing but i would also say a mountain (lol)

Answer 6

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