The solution-adaptive mesh refinement feature of Ansys Fluent allows you to refine and/or coarsen your mesh based on geometric and numerical solution data. In addition, Ansys Fluent provides tools for creating and viewing adaption fields customized to particular applications. For information about the theory behind mesh adaption in Ansys Fluent, see Adapting the Mesh in the Theory Guide. Information about using the adaption process in Ansys Fluent is described in detail in the following sections.