Abstract

Computational results are presented for the Rudimentary Landing Gear geometry using three unstructured grids of quasi-nested refinement. The geometry consists of a square post attached to an axle supporting four wheels, which is entirely suspended from an inviscid flat plate. The Reynolds number was fixed at 10 6 based on the wheel diameter and freestream properties. The Mach number was fixed at 0.115. The eect of grid resolution using a low dissipation scheme is examined in terms of both aerodynamic forces as well as acoustic spectra. The current results using the BCFD code are compared to existing data when available, and agreement is found to be excellent.

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