You build a model in ABAQUS/CAE by creating a series of features. For detailed discussions of features and feature-based modeling, see “The relationship between parts and features,” Section 11.3.1, and “Manipulating features in the Assembly module,” Section 13.7.2. This chapter explains how to use the Feature Manipulation toolset to modify and manage the existing features in your model and how to tune the performance of feature regeneration. The following topics are covered: