Keyur Kanade
Ansys Employee

For using hex meshing you will need to split the geometry. 

Please check following videos

Ansys Meshing Sizing:
https://www.youtube.com/watch?v=w4q6q8nKF3U

DM Share topology:
https://www.youtube.com/watch?v=IO4ZtwZdD2I

SpaceClaim Share topology:
https://www.youtube.com/watch?v=h43E1YO1LiM

Ansys Meshing: Decomposition for hex meshing:
https://www.youtube.com/watch?v=P19GOTQWmc0

Ansys Meshing: Meshing Methods:
https://www.youtube.com/watch?v=nEOC8rDnnRo

Ansys Meshing: Inflation:
https://www.youtube.com/watch?v=lrEHXizrhC0

Regards,

Keyur

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