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A Study on Multi-Block Technique by Bi-CGSTAB Solver
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 Title & Authors
A Study on Multi-Block Technique by Bi-CGSTAB Solver
Bae, Jin-Hyo; Lee, Jae-Heon;
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 Abstract
A numerical method on multi-block technique by Bi-CGSTAB(Bi-Conjugate Gradient STABilized) solver has been proposed. The present multi-block technique can reduce the numerical manipulation greatly because the common regions at the interface of each block are not necessary. In order to test the computational performance of present multi-block technique, the flow characteristics in a T type duct system and a N type duct system have been investigated by three kinds of methods such as the single-block method, the previous multi-block technique and the multi-block technique with Bi-CGSTAB solver. The results indicated that the required CPU time by present multi block technique was shorter than that of other two numerical methods and the convergency history was shown very stable at the present multi-block technique.
 Keywords
Multi-Block Technique;Bi-CGSTAB;Bi-Conjugate Gradient STABilized;Non0Staggered Grid System;Duct System;
 Language
Korean
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