Abstract

This paper presents recent computational solutions for unsteady confined viscous flows with oscillating boundaries, aimed at solving fluid-structure interaction and flow-induced vibration problems. A time-integration method based on a time-dependent coordinate transformation and using artificial compressibility is developed for these problems, in order to obtain accurate solutions applicable to the case of larger amplitude oscillations, of interest for the engineering applications.

Numerical solutions are presented for 2-D unsteady confined viscous flows over a backward-facing step with an oscillating floor, and for 2-D and 3-D unsteady annular viscous flows with oscillating walls.

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