Numerical Solution for the Time-Dependent Two-Dimensional Viscous Flows past Obstacle : Part 3,Flows around More Than Two Obstacles
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概要
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A finite-difference method is developed for analysing the unsteady two-dimensional incompressible viscous flows around more than two obstac1es in a uniform flow and a duct. In the method the vorticity transport equation and Poisson's equation for stream function are solved, and the values of stream function in the uniform flow and on the duct walls are specified but the values on the obstacles are unknown. These unknown va1ues can be determined from the one-valued pressure conditions for the multi-connected region. In the present paper first a calculating procedure of the stream function on the obstacles is proposed. Then as numerical examples the flows around two square cylinders arranged tandem and side by side in a uniform flow are analysed, and the convergency of solutions and the behaviors of the flows are shown.
- 一般社団法人日本機械学会の論文
著者
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Kobayashi Satoshi
Nagaoka Technical College
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Daiguji Hisaaki
Faculty Of Engineering Tohoku University
関連論文
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