Yuyan CAO, Jianli WANG, Zhichen WANG, Hongwen Li, Yan ZHANG, Hongliang CHU, Yuxia LI. Wind disturbance simulation and optical performance prediction for large ground-based optical telescopes based on two-dimensional stochastic fields[J]. Optics and Precision Engineering, 2022, 30(4): 442
- Optics and Precision Engineering
- Vol. 30, Issue 4, 442 (2022)
Fig. 1. Simplified structure of 2 m telescope
Fig. 2. Finite element model of 2 m telescope structure
Fig. 3. Simplified model of wind disturbance
Fig. 4. Wind load acting on telescopes
Fig. 5. Sampling points of the primary mirror
Fig. 6. Wind speed for each sample point of the primary mirror
Fig. 7. Surface precision of the primary and secondary mirror-primary mirror loaded separately
Fig. 8. Optical axis perturbation of the primary and secondary mirror-primary mirror loaded separately
Fig. 9. Position deviation of the primary and secondary mirror-primary mirror loaded separately
Fig. 10. Surface precision of the primary and secondary mirror-secondary mirror and truss loaded separately
Fig. 11. Optical axis perturbation of the primary and secondary mirror-secondary mirror and truss loaded separately
Fig. 12. Position deviation of the primary and secondary mirror-secondary mirror and truss loaded separately
Fig. 13. Frequency spectrum of position deviation between primary and secondary mirror-secondary mirror and truss loaded separately
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Table 1. Parameters of wind load
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Table 2. Discretized parameters of wind speed fields
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