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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN On-line: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2013010258
pages 433-444

NONCONTACT MEASUREMENTS OF NORMAL DEFORMATION FIELDS OF A CONSTRUCTION SURFACE BY VIDEOGRAMMETRY METHODS WHILE STRENGTH TESTING

Vladimir Petrovich Kulesh
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, 140180, Russia
Sergey Mikhaylovich Naumov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, 140180, Russia

RESUMO

A videogrammetry method using one digital camera for noncontact measurements of a distributed normal deformation of construction elements with a flat surface or having a small curvature is developed. Investigations of the surface buckling are performed at the local shell buckling of typical cylindrical fuselage panels of a passenger plane made of aluminum alloy and at the general buckling of a full-scale flat panel of a perspective aircraft wing box made of polymer composite material with a loading up to destruction. It is found that in both cases, the buckling deformation of the surface has two main modes with the opposite sign of normal deviations. The maximum deformation deviations of positive and negative modes of the panel made of aluminum alloy are +1.26 and −2.47 mm, and those of the positive and negative modes of the panel made of composite material are ±1.33 mm directly before the destruction.

Referências

  1. Kulesh, V. P. and Fonov, S. D. , Measurement of the parameters of motion and deformation of an aircraft in a wind tunnel by the videogrammetry method.

  2. Kulesh, V. P. , Noncontact measurements of geometrical parameters of objects' shape, motion and deformation in experimental aerodynamics.

  3. Prospectus of the Vic3D system by "Novatest", http://www.novatest.ru.


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