NUMERICAL-METHODS

作品数：6被引量：2H指数：1
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Multimodality-based Wind Speed Forecasting Method for the Wind Resistance Control of Large Radio Telescope
《Research in Astronomy and Astrophysics》2023年第9期20-28,共9页Wen-Juan Wang Bao-Qing Han Long-Yang Wang Tian Luan Yue-Fei Yan Wu-Lin Zhao De-Qing Kong Yang Wu Cong-Si Wang 
the National Key Research and Development Program of China(grant No.2021YFC2203600);National Natural Science Foundation of China(NSFC,grant No.52275268);National Defense Basic Scientific Research Program of China(grant No.JCKY2021210B007);Wuhu and Xidian University Special Fund for Industry-University-Research Cooperation(grant No.XWYCXY-012021012);Youth Innovation Team of Shaanxi Universities(grant No.201926);Fundamental Research Funds for the Central Universities(grant No.XJSJ23122).
A large,fully steerable radio telescope is susceptible to the wind load,leading to structure deformation andpointing deviation of the telescope.To effectively suppress the influence of dynamic wind load,the wind resis...
关键词：telescopes-methods NUMERICAL-METHODS data analysis 
Simulation-driven Wind Load Analysis and Prediction for Large Steerable Radio Telescopes
《Research in Astronomy and Astrophysics》2023年第2期18-27,共10页Shuai Li Bao-Qing Han Shao-Yi Liu Wen-Juan Wang Ben-Ben Wang Xin-Yu Zhang Long-Yang Wang Qian Xu Na Wang Wu-Lin Zhao Cong-Si Wang 
supported by the National Key Research and Development Program of China(grant No.2021YFC2203600);the National Natural Science Foundation of China(Grant Nos.52275268 and 51975447);the National Defense Basic Scientific Research Program of China(Grant No.JCKY2021210B007);Wuhu and Xidian University Special Fund for Industry-University-Research Cooperation(Grant No.XWYCXY-012021012);Youth Innovation Team of Shaanxi Universities(Grant No.201926)。
Large steerable radio telescopes can rotate in azimuth and elevation,with various upwind postures and complex wind load characteristics.In order to obtain the wind load distribution on the reflector and the wind force...
关键词：METHODS NUMERICAL-METHODS data analysis-telescopes-atmospheric effects 
Rapid Deformation Calculation for Large Reflector Antennas:A Surrogate Model Method被引量：1
《Research in Astronomy and Astrophysics》2023年第1期4-17,共14页Zi-Han Zhang Qian Ye Li Fu Jin-Qing Wang Meng Guo-Xiang Zhi-Qiang Shen 
supported by the National Key Basic Research and Development Program of China No. 2021YFC2203501;the National Natural Science Foundation of China (project U1931137).
The surface accuracy of the large-aperture reflector antenna has a significant influence on the observation efficiency.Recent researchers have focused on using the finite element(FE)simulation to study the effect of g...
关键词：telescopes-methods analytical-methods NUMERICAL-METHODS data analysis 
Micro-vibration Modeling and Verification of Shutter Mechanism of Survey Space Telescope被引量：1
《Research in Astronomy and Astrophysics》2023年第1期242-253,共12页Tong-Lei Jiang Li-Hua Wen Hu Zhan Bo Wang Yong-Chao Yang 
financial support for the CSST Survey Camera from the China Manned Space Program through its Space Application System。
The scientific research mission of the Survey Space Telescope(also known as the China Space Station Telescope,CSST)imposes rigorous requirements on the observation precision.However,microvibrations generated by the sh...
关键词：telescopes-surveys-methods NUMERICAL-METHODS analytical 
The Electromagnetic Characteristics of the Tianlai Cylindrical Pathfinder Array
《Research in Astronomy and Astrophysics》2022年第6期234-255,共22页Shijie Sun Jixia Li Fengquan Wu Peter Timbie Reza Ansari Jingchao Geng Huli Shi Albert Stebbins Yougang Wang Juyong Zhang Xuelei Chen 
supported by the Ministry of Science and Technology(MOST)-BRICS Flagship Project 2018YFE0120800;National SKA Program of China No.2020SKA0110401;the National Key R&D Program 2017YFA0402603;the National Natural Science Foundation of China(NSFC,Grant Nos.11973047,11633004 and U1631118);the Chinese Academy of Sciences(CAS)Strategic Priority Research Program XDA15020200;the CAS Frontier Science Key Project QYZDJ–SSW–SLH017;the CAS Inter-disciplinary Innovation Team(JCTD-2019-05);the CAS Key Instruments project ZDKYYQ20200008;the Hebei Key Laboratory of Radio Astronomy Technology(HKLRAT)。
A great challenge for 21 cm intensity mapping experiments is the strong foreground radiation which is orders of magnitude brighter than the 21 cm signal.Removal of the foreground takes advantage of the fact that its f...
关键词：instrumentation interferometers-methods NUMERICAL-METHODS observational-cosmology observations-(cosmology:)dark ages-reionization-first stars-(cosmology:)diffuse radiation 
Approximate Analytical Solutions for a Class of Laminar Boundary-Layer Equations
《Chinese Physics Letters》2007年第7期1981-1984,共4页Seripah Awang Kechil Ishak Hashim Sim Slaw Jiet 
A simple and efficient approximate analytical technique is presented to obtain solutions to a class of two-point boundary value similarity problems in fluid mechanics. This technique is based on the decomposition meth...
关键词：ADOMIAN DECOMPOSITION METHOD COMPARING NUMERICAL-METHODS GA-SB SYSTEM MARANGONI CONVECTION UNBOUNDED DOMAIN ALGORITHM SURFACE FLOWS 
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