ELI5: Explain Like I'm 5

Domain decomposition method

Imagine you have a big puzzle with lots of pieces. But instead of putting the pieces together all at once, you decide to break it into smaller sections. This makes it easier to work on the puzzle because you can focus on one section at a time.

The domain decomposition method is kind of like breaking the puzzle into smaller sections. It's a way of solving big math problems by dividing them into smaller parts. Each part of the problem is assigned to a different computer or processor, and they all work together to solve the problem.

Think of it like a group project at school. The teacher gives out different parts of the project to different groups. Each group works on their part of the project, and then they all come together to create the final project.

The domain decomposition method is used in lots of different fields, like weather modeling, fluid dynamics, and even video game design. It helps speed up the process of solving complex problems by allowing multiple computers to work on different parts of the problem at the same time.

So the next time you're working on a big project, remember that breaking it into smaller parts can make it easier to solve!