ELI5: Explain Like I'm 5

Infinite element method

Have you ever played with Lego blocks, where you keep adding to the structure until it becomes really big? Well, imagine doing that with a computer program, where you keep adding tiny building blocks (called "elements") to a structure until it becomes really complex. This is what engineers do to simulate how a structure will behave when it's put under different loads and stresses.

However, sometimes the structure is so big or complex that you can't add enough tiny elements to accurately simulate its behavior. This is where the "infinite element method" comes in - it creates an "outer boundary" around the structure and fills it with a bunch of special elements that are designed to act like an infinite number of tiny elements. This way, the structure can be simulated accurately without needing to add billions of tiny elements.

Think of it like having a really big cake that you want to cut into small pieces to share with your friends. But instead of cutting the cake into small pieces, you put it on a big plate that fits all your friends and give them small spoons. They can still enjoy the cake, but without needing to cut it into a million pieces. The infinite element method does something similar with really big and complex structures.