Variational B-rep model analysis for direct modeling using geometric perturbation

Zou, Qiang; Feng, Hsi-Yung

doi:10.1016/j.jcde.2019.03.002

Variational B-rep model analysis for direct modeling using geometric perturbation

The very recent CAD paradigm of direct modeling gives rise to the need of processing 3D geometric constraint systems defined on boundary representation (B-rep) models. The major issue of processing such variational B-rep models (in the STEP format) is that free motions of a well-constrained model…