Abstract
The unstructured mixed-element cell-centered finite volume flow solver USM3D is enhanced with new capabilities such as line generation for general unstructured grids and optimization of the iterative solver. The efficiency of the new developments is assessed in a massively parallel environment. The assessments are conducted using a baseline method and the recent hierarchical adaptive nonlinear iteration method framework. Three benchmark turbulent flows (namely, a subsonic separated flow around a three-dimensional hemisphere–cylinder configuration, a transonic flow around the ONERA M6 wing, and a supersonic flow through a square duct) are considered.
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