supported by the National Basic Research Program of China(Grant No. 2011CB811406);the National Natural Science Foundation of China (Grant Nos. 10921303,10733020,10803011,40890161 and10973020)
ZEUS is a magnetohydrodynamics simulation code widely used in astrophysical research.However,it was recently found that the code may produce artificial shocks in the rarefaction region in some numerical tests since it...
supported by the National Basic Research Program of China(973 Program,No.2011CB811406);the China Meteorological Administration through grant GYHY201106011;the National Natural Science Foundation of China(Grant Nos.10921303, 10733020,10803011,10973020 and 40890161)
Ever since the magnetohydrodynamic (MHD) method for extrapolation of the solar coronal magnetic field was first developed to study the dynamic evolution of twisted magnetic flux tubes, it has proven to be efficient ...
supported by the National Natural Science Foundation of China (Grant Nos.10973020, 40890161 and 10921303);the National Basic Research Program of China (973 Program, Grant No.2011CB811406)
The relationships between solar flare parameters (total importance, time duration, flare index, and flux) and sunspot activity (R z ) as well as those between geomagnetic activity (aa index) and the flare parame...
supported by the National Natural Science Foundation of China (Grant No. 10973020);the Funding Project for Academic Human Resources Development in Institutions of Higher Learning under the Jurisdiction of Beijing Municipality (Grant No. PHR200906210);the Funding Project for Base Construction of Scientific Research of Beijing Municipal Commission of Education (Grant No. WYJD200902);Beijing Philosophy and Social Science Planning Project (Grant No. 09BaJG258)
In this paper, a combined method of unsupervised clustering and learning vector quantity (LVQ) is presented to forecast the occurrence of solar flare. Three magnetic parameters including the maximum horizontal gradien...