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《Chinese Journal of Theoretical and Applied Mechanics》 2015-05
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APPLICATION OF LAGRANGIAN BOUNDARY CONDITIONS BY CHARACTERISTICS METHOD USING TIME-LINE INTERPOLATION IN SPH

Gong Xiangfei;Zhang Shudao;Yang Jiming;University of Science and Technology of China;Institute of Applied Physics and Computational Mathematics;  
Boundary conditions is an important research topic in the practical application of computational fluid dynamics.A new Lagrangian boundary conditions framework is constructed by characteristics method using time-line interpolation and is applied in SPH. Compared with methods within Euler framework this method is obvious and easily carrying out for the same formulations in inflow zone and in outflow zone whether for subsonic flow or supersonic flow. SPH numerical simulation in various wave inputs shows the feasibility of the method.
【Fund】: 中国工程物理研究院科学技术发展基金(2012B0201027 2012B0201028 2012A0201011 2013A0101004 2013A0201009)资助项目~~
【CateGory Index】: O35
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