A process involving the creation of a model, often computational, to replicate the behavior of a system or process. It uses mathematical or logical representations to mimic real-world scenarios, allowing for experimentation and analysis without directly interacting with the actual system. For instance, modeling the trajectory of a projectile under different atmospheric conditions or predicting the spread of a disease within a population constitutes such a process.
This approach provides a powerful tool for understanding complex phenomena, predicting outcomes, and optimizing system performance. It enables researchers and practitioners to explore possibilities and test hypotheses in a controlled environment, reducing risk and cost associated with real-world experimentation. Historically, its applications have expanded significantly with the advent of advanced computing power, contributing to breakthroughs in fields ranging from physics and engineering to finance and healthcare.