Finite-element Analysis Of A Mach-8 Flight Test
Article Using Nonlinear Contact Elements
Author(s)
W.L. Richards
Abstract
A flight test article, called a glove, is required for a Mach-8 boundary-layer
experiment to be conducted on a flight mission of the air-launched Pegasus®
space booster. The glove is required to provide a smooth, three-dimensional,
structurally stable, aerodynamic surface and includes instrumentation to
determine when and where boundary-layer transition occurs during the
hypersonic flight trajectory. A restraint mechanism has been invented to attach
the glove to the wing of the space booster. The restraint mechanism securely
attaches the glove to the wing in directions normal to the wing/glove interface
surface, but allows the glove to thermally expand and contract to alleviate
stresses in directions parallel to the interface surfac
Keywords
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