Structure stability of superstructure in SG-Ⅱ upgrade facility

huang hongbiao; zeng taiying; zhang tao; liu zhigang; zhu jianqiang

Volume 21 Issue 01

Jan. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(01): 0-

sun bao-gen, lin shun-fu, he duo-hui, et al. Calibration and application of photon beam position monitor at HLS[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

huang hongbiao, zeng taiying, zhang tao, et al. Structure stability of superstructure in SG-Ⅱ upgrade facility[J]. High Power Laser and Particle Beams, 2009, 21.

sun bao-gen, lin shun-fu, he duo-hui, et al. Calibration and application of photon beam position monitor at HLS[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

huang hongbiao, zeng taiying, zhang tao, et al. Structure stability of superstructure in SG-Ⅱ upgrade facility[J]. High Power Laser and Particle Beams, 2009, 21.

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Structure stability of superstructure in SG-Ⅱ upgrade facility

1.
Laboratory of High Power Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,P.O.Box 800-211,Shanghai 201800,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2009-01-15

Abstract

Abstract

Based on the fundamental theory of improving structure stability, with the finite-element method (FEM), the research on the structure stability of the superstructure was performed. The results indicates that the third modal shape of the superstructure is the most important factor in the stability of the large aperture mirror, and the the weak link is the frame. With the stiffener with optimized position used between the frame and the concrete-filled steel tubular structure adopted for the frame, etc, the stability of the superstructure could be improved effectively. At last, the stability scheme of the superstructure was proposed which could satisfy the stability requirement of large aperture mirrors.
- high power laser,
- superstructure,
- structure stability,
- finite-element method

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