The Shear-Slip Mesh Update Method

The Shear-Slip Mesh Update Method, designed to handle certain classes of ho w problems with moving boundaries and interfaces, is presented. Specificall y, we focus on problems with large but regular boundary displacements, such as straight-line translation or rotation. These motions are accommodated b y using a thin layer of deforming space-time elements, together with limite d remeshing without any projection at space-time slab interfaces. As exampl es, 2D flow around two counter-rotating squares and 3D flow past a propelle r are presented. (C) 1999 Elsevier Science S.A. All rights reserved.