Engineering analysis relies on mathematical modeling to predict the behavior of complex systems. The finite element method (FEM) has become one of the most powerful computational tools for solving engineering problems. Introduction to Finite Elements in Engineering introduces the fundamental principles of FEM and its applications in structural, thermal, and fluid systems. The book discusses discretization, interpolation functions, and numerical solution techniques. It also covers practical aspects of FEM software and error analysis. Through illustrative examples and exercises, it provides engineers and students with the computational foundation to model and analyze real-world engineering systems effectively.