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�������պ����ѧѧ�� 2011, Vol. 37 Issue (1) :21-24    DOI:
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CE/SE method applied to flows around 2D airfoil
Cui Shuxin, Han Yuqi, Gao Ge*
National Key Laboratory on Aero-Engines, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ ����ʱ���غ�Ԫ�ͽ�ԪCE/SE(space-time Conservation Element and Solution Element method)��,����άEuler����,��չ��������������ճ��ֵģ���о�.�÷����п����������ʽ������������С�������ֵ��ɢ�Խ����Ⱦ,��ϵ���ʱ�䲽����,������񲻾�������ĵ��ؿ������仯��ȴ������.��NACA0012���͵��޼������������˶�ά��ֵģ��,����AGARD�������˶Ա�.�������:CE/SE�����ļ�������AGARD����Ǻϵúܺ�,Ϊ����ֵ���㷽��������������ֵģ��Ľ�һ��Ӧ�õ춨�˻���.
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Abstract�� A numerical scheme for solving Euler equations was conducted to investigate inviscid flows around 2D airfoil according to space-time conservation element and solution element (CE/SE) method. Courant number insensitive scheme (CNIS) used to avoid the contaminations of numerical dissipation induced by very small Courant number, improved the accuracy combining with local time-stepping(LTS) method that canceled the disparity in Courant number at non-uniform meshes. Two dimensional numerical simulations for NACA0012 airfoil were implemented. The results show that it is in agreement with the published data by AGARD, which will provide sufficient preparations for the application of CE/SE method to airfoil at more fields.
Keywords�� space-time conservation element and solution element(CE/SE)   inviscid flows   airfoil   vortex correction   Euler equations     
Received 2009-11-25;
About author: ������(1985-),��,����������,��ʿ��,cuishuxin1234@gmail.com.
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Cui Shuxin, Han Yuqi, Gao Ge.CE/SE method applied to flows around 2D airfoil[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(1): 21-24
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