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2篇 您的检索式：作者名="HOU FengLong"

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		题名	作者	年代	出处	被引量
	1	Theoretical development for DSMC local time stepping technique显示文摘The direct simulation Monte Carlo(DSMC) method is the most mature and wildly used approach for nonequilibrium gas flow simulation.The phenomenological nature of this method brings flexibility to the computation algorithms.In this study,the theoretical foundations to decouple the molecular motion and collision within a time step are discussed in detail,which can be treated as criterions for the DSMC algorithms.Based on the theoretical developments,an improved local time stepping scheme is proposed,which specifies the movement time attribute and the collision time attribute for each representative particle.A free flow about a sphere body is considered as an example,which is compared with the calculations using the published local time stepping technique.The results show that the improved local time scheme is valid and is promising in realizing flow structures with strong variations.	CAI GuoBiao SU Wei HOU FengLong	2012	Science China(Technological Sciences)2012，55，10：	4
	2	共轨道面共星下点轨迹星座特性及应用研究显示文摘Common-track constellation is a special kind of constellation, all ground tracks of satellites are in one track. With recursive orbit or quasi-recursive orbit, the ground track of the constellation is a closed loop with a repeating track. In particular, if the constellation is in one orbit plane, the constellation can meet the requirement for a multi-satellite launch mission and fast satellite-satellite link establishment. The characteristics and coverage properties of a common-track constellation in one orbit plane are studied in this paper. The simulation results show that a common-track constellation in one orbit plane can provide favorable coverage to a target station in the polar areas.	LIN Xiaoxiong QI Yu LI Xingang HOU Fenglong PEI Shengwei	2021	Aerospace China2021，22，4：	0

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