Mathematical Simulation of the Deformation of the Telescope Mirror Caused by Gravitational Force

Lyubov V. Maksymyuk

doi:10.1615/JAutomatInfScien.v34.i2.80

Journal of Automation and Information Sciences

Editor chefe: Arkadiy A. Chikriy (open in a new tab)

Editor associados: Vyacheslav F. Gubarev (open in a new tab) Yuriy P. Kondratenko (open in a new tab) Nonna V. Turovyerova (open in a new tab)

Publicou 12 edições por ano

ISSN Imprimir: 1064-2315

ISSN On-line: 2163-9337

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Mathematical Simulation of the Deformation of the Telescope Mirror Caused by Gravitational Force

Volume 34, Edição 2, 2002, 7 pages

DOI: 10.1615/JAutomatInfScien.v34.i2.80

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Lyubov V. Maksymyuk
Institute of Space Research of National Academy of Sciences of Ukraine and National Space Agency of Ukraine, Kyiv, Ukraine

RESUMO

Axisymmetric deformation of the space telescope main mirror caused by gravitational force is considered. Study is based on the three mathematical models: plate, thin shell and geometrically nonlinear shell. The distribution of displacement, strains and stresses on the concave surface of the thick space telescope main mirror and the thin space telescope main mirror under different clamping were obtained by numerical simulation. It is shown that adequate model choice depends on the boundary conditions and thickness of the mirror.

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