[dupeng]

Hello Sung Taek Park,
Thanks for your reply. I sent you a email but it was rejected by the server, so I will just post it here. I will try as you suggested and see if it works.

There is a quite great paper in ‘Ocean Engineering' called 'Dynamic overset grids in OpenFOAM with application to KCS self-propulsion and maneuvering' from Shanghai Jiao Tong University. They use snappyHexMesh and generate quite good boundary layer mesh for the hull (Fig.16 in this paper). For the propeller, it seems that they didn't use boundary layer mesh, but local refinement instead. I don't know if that's accurate enough because I am still focusing on the hull now. But that might be a hint for you. And this is the link for their simulations on Youtube:
https://www.youtube.com/channel/UC_l...NR9kosn8N-u4kA
They look amazing. Hope this can help you a little and Thank you again.

Best regards,

--
Peng DU
Tel: 0033 (0) 667084094
Email: pp1565156@126.com
Sorbonne universités, Université de technologie de Compiègne,
Laboratoire Roberval, UMR-CNRS 7337
Centre de Recherche Royallieu
CS 60319 - 60205 COMPIEGNE CEDEX FRANCE

[ancolli]

Any of you has solved the problem of generating boundary layers (y+<1) in complex geometries? I am facing the same problem with Salome and blockMesh

[rucky96]

Is there anyone who can tell me what is the correct number of layers for a surface? Is there a rule based on experience?

[Gang Wang]

Originally Posted by dupeng

Hello Sung Taek Park,
Thanks for your reply. I sent you a email but it was rejected by the server, so I will just post it here. I will try as you suggested and see if it works.

There is a quite great paper in ‘Ocean Engineering' called 'Dynamic overset grids in OpenFOAM with application to KCS self-propulsion and maneuvering' from Shanghai Jiao Tong University. They use snappyHexMesh and generate quite good boundary layer mesh for the hull (Fig.16 in this paper). For the propeller, it seems that they didn't use boundary layer mesh, but local refinement instead. I don't know if that's accurate enough because I am still focusing on the hull now. But that might be a hint for you. And this is the link for their simulations on Youtube:
https://www.youtube.com/channel/UC_l...NR9kosn8N-u4kA
They look amazing. Hope this can help you a little and Thank you again.

Best regards,

--
Peng DU
Tel: 0033 (0) 667084094
Email: pp1565156@126.com
Sorbonne universités, Université de technologie de Compiègne,
Laboratoire Roberval, UMR-CNRS 7337
Centre de Recherche Royallieu
CS 60319 - 60205 COMPIEGNE CEDEX FRANCE

Hi Peng!

Have you solved the coupling between engrid and snappyHexMesh, as Dr. Sung Taek Park suggested? Through cyclicAMI. It was also my issue.

Best regards,
Gang

[minh khang]

It works for me.