期刊
NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS
卷 61, 期 4, 页码 279-297出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10407790.2012.670560
关键词
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资金
- National Science Council of the Republic of China (Taiwan) [NSC98-2221-E006-123, NSC99-2221-E006-058]
A general boundary condition scheme for incompressible flows over immersed bodies on Cartesian grids is developed to treat Dirichlet, Neumann, and Robin boundary conditions on the immersed surfaces. Various forced and natural convection problems over a circular cylinder and the nature convection between two concentric cylinders are computed to validate the proposed scheme. Results show that the method is second-order in L-1 and L-2 norms for velocity, pressure, and temperature for all three boundary conditions. The method is also second-order in L-infinity norm for Dirichlet boundary condition, while it is of the order of 1.4 in L-infinity norm when Neumann or Robin condition is applied.
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