Description: Quasi-static models are analytical tools used in various disciplines to study systems that experience slow changes over time. These models simplify the complexity of certain phenomena by assuming that the system is in equilibrium at each moment, even though it is actually undergoing a change. This approach is particularly useful in situations where variations are slow enough that the properties of the system do not drastically alter from one moment to the next. For example, in thermodynamics, quasi-static processes are used to describe transformations in systems that approach thermal equilibrium. In engineering, these models are essential for analyzing structures and materials, where it is considered that deformations occur gradually. The relevance of quasi-static models lies in their ability to provide accurate and understandable results, facilitating the prediction of complex system behavior without the need for exhaustive simulations. In summary, quasi-static models are crucial for analyzing systems where time plays a significant role, allowing researchers and professionals to tackle problems more efficiently and effectively.