- Select the longest direction (x,y, or z) of the domain for bisection.
- When each domain needs to be decomposed into m subdomains,
dividing should be done retaining the ratio of nodes,
m1: m2
(m1 = [m/2], m1 + m2=m)
- Applying the above algorithm iteratively
(ex. 3-times for 7 subdomains).
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 Decompotition of 3D-cube (7 subdoms.)
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