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NUMERICAL: 作品数：1547被引量：3932H指数：19; 导出分析报告; 相关领域：理学更多>>; 相关作者：王文均张明福刘洋韩杰才闫润泽更多>>; 相关机构：北京航空航天大学上海交通大学清华大学天津大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Simulating the Peculiar Periphery of the Cygnus Loop: 《Research in Astronomy and Astrophysics》2024年第12期192-206,共15页Jun-Yu Shen Bi-Wen Bao Li Zhang; supported by the National Natural Science Foundation of China (NSFC,12233006);supported by the NSFC 12203042;the Foundations of Yunnan Province 202301AU070009。; The middle-aged Galactic supernova remnant (SNR)-the Cygnus Loop (CL)-displays a peculiar morphology in X-rays,featuring a blowout in the southern region.The underlying process accounting for the formation of the pecu...; 关键词：hydrodynamics-methods numerical-ISM supernova remnants

A Novel Ephemeris Model for Martian Moons Incorporating Their Free Rotation: 《Research in Astronomy and Astrophysics》2024年第11期181-191,共11页Yong-Zhang Yang Kai Huang Jian-Guo Yan Yu-Qiang Li; supported by the National Key Research and Development Program of China(2021YFA0715101);the National Natural Science Foundation of China(NSFC,grant Nos.12033009 and 12103087);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA0350300);the International Partnership Program of Chinese Academy of Sciences(020GJHZ2022034FN);the Yunnan Fundamental Research Projects(202201AU070225,202301AT070328,202401AT070141);the Young Talent Project of Yunnan Revitalization Talent Support Program。; High-precision ephemerides not only support space missions,but can also be used to study the origin and future of celestial bodies.In this paper,a coupled orbit-rotation dynamics model that fully takes into account th...; 关键词：planets and satellites dynamical evolution and stability methods NUMERICAL celestial mechanics ASTROMETRY

The Active Compensation Technique for Large Reflector Antennas Based on Quadratic Curve Fitting: 《Research in Astronomy and Astrophysics》2024年第7期226-234,共9页Tian-Xiang Zheng Bin-Bin Xiang Han-Wei Cui Wei Wang Pei-Yuan Lian Shang-Ming Lin Yang Zhang Jian-Ping Zhou Kai Li; funded by the National Natural Science Foundation of China(NSFC,grant Nos.12363011,52275270,and 52275269);Natural Science Foundation of Xinjiang Uygur Autonomous Region(No.2023D01C22);the Tianchi Talents Program of Xinjiang,the National Key Basic Research Program of China(No.2021YFC2203501);the Xinjiang Postdoctoral Foundation。; Active reflectors are often used to compensate the surface distortion caused by environmental factors that degrade the electromagnetic performance of large high-frequency reflector antennas.This is crucial for maintai...; 关键词：METHODS analytical-Methods numerical-Telescopes

Capture Efficiency Analysis in the Circular Restricted Three-body Problem: 《Research in Astronomy and Astrophysics》2024年第5期198-210,共13页Yu-Xuan Miao Xi-Yun Hou; supported by the National Natural Science Foundation of China(No.12233003);the support from Laboratory of Pinghu,Pinghu,China。; Temporary capture efficiency is studied in the framework of the circular restricted three-body problem in two steps.First, a non-uniform distribution of test particles around the secondary's orbit is obtained by fully...; 关键词：METHODS numerical-celestial mechanics-planets and satellites dynamical evolution and stability

Optical Transient Source AT2021lfa:A Possible“Dirty Fireball”: 《Research in Astronomy and Astrophysics》2024年第4期124-133,共10页Xue-Mei Ye Da-Ming Wei Yi-Ming Zhu Zhi-Ping Jin; supported by the National Natural Science Foundation of China(NSFC,grant Nos.12073080,11933010,11921003,12233011,and 12225305)。; AT2021lfa,also known as ZTF21aayokph,was detected by the Zwicky Transient Facility on 2021 May 4,a 05:34:48 UTC.Follow-up observations were conducted using a range of ground-based optical telescopes,as wel as Swift/XR...; 关键词：gamma-rays:ISM methods:numerical radiation mechanisms:non-thermal

Disturbance Observer-based Pointing Control of Leighton Chajnantor Telescope: 《Research in Astronomy and Astrophysics》2024年第1期135-150,共16页Weirui Chen Zheng Wang; Leighton Chajnantor Telescope(LCT), i.e., the former Caltech Submillimeter Observatory telescope, will be refurbished at the new site in Chajnantor Plateau, Chile in 2023. The environment of LCT will change significan...; 关键词：instrumentation:miscellaneous methods:analytical methods:numerical telescopes

Large Telescope Wind Load Estimation with Gradient Segments Superposition and its Servo Control: 《Research in Astronomy and Astrophysics》2023年第9期79-90,共12页Jia-Heng Yu Song Xue Tian Luan Long-Yang Wang Pei-Yuan Lian Yue-Fei Yan De-Qing Kong Wu-Lin Zhao Qian Xu Cong-Si Wang; the National Key Research and Development Program of China under No.2021YFC2203600;the National Natural Science Foundation of China under Nos.52005377 and 52275268;the National Defense Basic Scientific Research Program of China under No.JCKY2021210B007;Wuhu and Xidian University Special Fund for Industry-University-Research Cooperation under No.XWYCXY-012021012;Youth Innovation Team of Shaanxi Universities under No.201926.; Obtaining the wind load distribution on the telescope aperture is very important to estimate its influence and reduce the wind disturbance on the telescope system.The aperture of the radio telescope structure can be a...; 关键词：METHODS analytical-methods data analysis-methods numerical-telescopes

A Spectral Element Method to Compute Earth’s Free Core Nutation被引量：1: 《Research in Astronomy and Astrophysics》2023年第9期171-179,共9页Mian Zhang Cheng-Li Huang; the National Natural Science Foundation of China(11973072/12233010).; The Free Core Nutation(FCN)is a rotational mode caused by non-alignment of the rotation axis of the core and of the mantle.Its period observed by VLBI and superconducting gravimetry is around 430 sidereal days(Sd)with...; 关键词：Earth-planets and satellites interiors-methods NUMERICAL

Performance Analysis and Optimization of a Modified Stewart Platform for the Qitai Radio Telescope: 《Research in Astronomy and Astrophysics》2023年第9期241-250,共10页Guljaina Kazezkhan Qian Xu Na Wang Fei Xue Hui Wang; the National Natural Science Foundation of China(NSFC,grant No.12203095);the Youth Innovation Promotion Association,CAS(No.Y202019);Natural Science Foundation of Xinjiang Uygur Autonomous Region(No.2022D01B220);Tianchi Doctoral Program 2021;the Scientific Instrument Developing Project of the Chinese Academy of Sciences(No.PTYQ2022YZZD01).; This paper presents a modified Stewart platform that enables precise adjustment of the sub-reflector for the Qitai Radio Telescope(QTT).QTT demands a parallel platform capable of carrying a heavy load(≥4000 kg),and m...; 关键词：telescopes-methods analytical-methods NUMERICAL

Type Ia Supernova Explosions in Binary Systems:A Review被引量：2: 《Research in Astronomy and Astrophysics》2023年第8期10-52,共43页Zheng-Wei Liu Friedrich K.Röpke Zhanwen Han; supported by the National Natural Science Foundation of China(NSFC,Grant Nos.12288102,12090040/1,11873016);the National Key R&D Program of China(Nos.2021YFA1600401 and 2021YFA1600400);the Chinese Academy of Sciences(CAS),the International Centre of Supernovae,Yunnan Key Laboratory(No.202302AN360001);the Yunnan Fundamental Research Projects(grant Nos.202201BC070003,202001AW070007);the“Yunnan Revitalization Talent Support Program”Science&Technology Champion Project(No.202305AB350003);supported by the Klaus Tschira Foundation;by the Deutsche Forschungsgemeinschaft(DFG,German Research Foundation)—Project-ID 138713538—SFB 881(“The Milky Way System”,Subproject A10)。; Type Ia supernovae(SNe Ia)play a key role in the fields of astrophysics and cosmology.It is widely accepted that SNe Ia arise from thermonuclear explosions of white dwarfs(WDs)in binary systems.However,there is no con...; 关键词：(stars:)binaries(including multiple) close-methods numerical-(stars )supernovae general

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