Finite Element Analysis (FEA) is a computational technique used to predict how objects behave under various conditions, such as stress, heat, or vibration. It breaks down complex structures into smaller, simpler parts called finite elements. By analyzing these elements, engineers can understand how the entire structure will respond to different forces and conditions. This method is widely used in fields like engineering, automotive design, and aerospace to optimize designs and ensure safety. FEA helps identify potential problems before physical prototypes are built, saving time and resources in the development process.