[petsc-users] How to produce a coarser mesh for a given 2d or 3d unstructured mesh

[Fande Kong]

Hi all,

Are there any popular methods or algorithms which can be used to produce a
coarser mesh for a given 2d or 3d unstructured mesh?

-- 
Fande Kong
ShenZhen Institutes of Advanced Technology
Chinese Academy of Sciences
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