Abstract
A high-resolution numerical study on parallel systems is reported on three-dimensional (3D), time-dependent, thermal convective flows. Numerical results are obtained for Rayleigh numbers up to 5×107 and for a Prandtl number 0.733 equivalent to that of air, in a cubical enclosure, which is heated differentially at two vertical sidewalls. A parallel implementation of the finite volume method with a multigrid scheme is discussed, and a parallel and distributed visualization system is developed for visualizing the flow. The details of the 3D, time-dependent flow are described. Separations of the flow near the horizontal walls occur, and y-variations of the flow are strong. Periodical flow patterns appear. The 3D solutions for such high Rayleigh number 5×107 become strong convective, time-dependent, and periodical.
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© 1998 Springer-Verlag Berlin Heidelberg
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Wang, P., Li, P. (1998). Parallel computation and visualization of 3D, time-dependent, thermal convective flows. In: Kågström, B., Dongarra, J., Elmroth, E., Waśniewski, J. (eds) Applied Parallel Computing Large Scale Scientific and Industrial Problems. PARA 1998. Lecture Notes in Computer Science, vol 1541. Springer, Berlin, Heidelberg . https://doi.org/10.1007/BFb0095383
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DOI: https://doi.org/10.1007/BFb0095383
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