Sijun Fang, Bohong Li, Bin He, Yuwei Wu, Lei Fan. Design and thermal stability analysis of primary mirror assembly for space-borne gravitational wave telescope[J]. Opto-Electronic Engineering, 2024, 51(2): 230157
- Opto-Electronic Engineering
- Vol. 51, Issue 2, 230157 (2024)
Fig. 1. Schematic diagram of the telescope system. (a) Telescope optical system; (b) Primary mirror assembly
Fig. 2. Primary mirror lightweight model. (a) Support point layout; (b) Rib plate parameters; (c) Mirror thickness
Fig. 3. Relation between top angle of support and surface shape and rigid body displacement under different gravity directions. (a) Gravity force in the X-direction; (b) Gravity force in the Y-direction
Fig. 4. Topology optimization results of the backplane. (a) Initial backplane; (b) Topological result; (c) Optimized backplane
Fig. 5. Stress-strain diagram of the beam element
Fig. 6. Parameters of the flexible legs
Fig. 7. Schematic diagram of a single Bipod flexible support
Fig. 8. Schematic diagram of primary mirror’s flexible support
Fig. 9. Influence of structural parameters on the evaluation function
Fig. 10. The structure of the primary mirror assembly is deformed. (a) Finite element model; (b) Gravity condition; (c) Temperature condition; (d) Superposition condition
Fig. 11. Surface error of the primary mirror. (a) Gravity condition; (b) Temperature condition; (c) Superposition condition
Fig. 12. Structural stability of primary mirror assembly. (a) Temperature stability of the environment; (b) Dimensional stability of structure
|
Table 1. Properties of primary mirror component materials
|
Table 2. The parameters of the lightweight primary mirror
|
Table 3. The parameters of the lightweight primary mirror
|
Table 4. Modal analysis of primary mirror components
|
Table 5. Primary mirror component analysis results
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20