Code to perform numerical random vibration analysis

Renzo Buzzi; Giancarlo Parodi; Francesco Perotti

doi:10.1117/12.140560

21 January 1993 Code to perform numerical random vibration analysis

Renzo Buzzi, Giancarlo Parodi, Francesco Perotti

Proceedings Volume 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography; (1993) https://doi.org/10.1117/12.140560
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Relevant for the JET-X Mission a post-processor of the Finite Element Code SAPV has been developed for the numerical assessment of the behavior of Mirror Module submitted to random vibration. Standard deviation and mean extreme values depending on the duration of time-excitation and on damping factor have been assessed for the most significant components of displacement and stress. The standard deviation values have been computed by combining by the square root of the sum of the square (SRSS) rule the results obtained exciting the system along three normal directions. This is consistent with the assumption that the three components of excitation are uncorrelated. We report in this paper the theoretical background and the most significant results.

Citation Download Citation

Renzo Buzzi, Giancarlo Parodi, and Francesco Perotti "Code to perform numerical random vibration analysis", Proc. SPIE 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, (21 January 1993); https://doi.org/10.1117/12.140560

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