国家自然科学基金(49925412)

作品数：5被引量：17H指数：3
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A comparative study on 3-D solar wind structure observed by Ulysses and MHD simulation被引量：6
《Chinese Science Bulletin》2005年第7期672-678,共7页FENG Xueshang, XIANG Changqing, ZHONG Dingkun & FAN Quanlin SIGMA Weather Group, Key Laboratory of Space Weather Key Labo- ratory of Geospace Environment and Geodesy, Ministry of Education, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100080, China 
jointly supported by the National Natural Science Foundation of China(Grant Nos.40204010,40374056,40336053 and 49925412);973 Project(Grant No.G2000078405);One-Hundred Talent Project of CAS.
During Ulysses’ first rapid pole-to-pole transit from September 1994 to June 1995, its observations showed that middle- or high-speed solar winds covered all latitudes except those between ?20° and +20° near the ec...
关键词：MHD模拟技术 太阳风 纬度 黄道 空间科学 
A CLASS OF TWO-STEP TVD MACCORMACK TYPE NUMERICAL SCHEME FOR MHD EQUATIONS被引量：1
《空间科学学报》2003年第6期401-412,共12页FENG Xueshang WEI Fengsi ZHONG Dingkun(Center for Space Science and Applied Research, The Chinese Academy of Sciences, Beijing 100080) 
the National Natural Science Foundation of China(No.49925412,49990450),the National Basic Research Science Foundation(No.G2000078405)
In this paper, a new numerical scheme of Total Variation Diminishing (TVD) MacCormack type for MagnetoHydroDynamic (MHD) equations is proposed by taking into account of the characteristics such as convergence, stabili...
关键词：磁液体力学方程 两步TVD-MacCormack图解法 收敛性 稳定性 数值模拟 
利用“ISF”方法于地磁扰动事件的预报试验被引量：3
《中国科学（E辑）》2003年第5期447-451,共5页魏奉思 徐亚 冯学尚 范全林 
国家重点基础研究规划项目资助(批准号:G2000078405);国家自然科学基金资助项目(批准号:49990450和49925412)
以1966～1982年期间有关太阳活动、行星际扰动和地磁扰动的观测为基础,综合行星际扰动过程的物理模型并运用模糊数学概念,提出一种预报由太阳风暴吹向地球而引起的地磁扰动的“ISF”方法.利用该方法对1980-1998年间24个较大的、曾引起...
关键词：空间灾害性天气 地磁扰动预报 “ISF”方法 天气预报 地磁暴 日地物理学 
Numerical research on the interaction between coronal mass ejection and streamer被引量：2
《Science China(Technological Sciences)》2002年第2期206-212,共7页叶占银 魏奉思 冯学尚 石勇 姚久胜 
This work is jointly supported by the National -Natural Science Foundation of China ( Grant Nos. 49990450, 49925412, 40104008) and the National Key Basic Research Science Foundation (Grant No G2000078405) .
By proposing a two-dimensional triggering model with concentrically circular closed magnetic field line structure,numerical research is made on the asymmetric propagation feature of coronal mass ejection (CME) in two ...
关键词：solar wind CME event numerical simulation MHD. 
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