# [ICEM] how to block a 120 degree part of a 2D vawt

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August 6, 2013, 04:05
how to block a 120 degree part of a 2D vawt
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Michael Bausas
Join Date: May 2013
Posts: 10
Rep Power: 5
Can anyone please help me on how to block a 120 degree part of a 2D vawt? I will be doing a thesis work on the performance of cambered airfoil but I am still on the stage of learning ICEM CFD to genereat my mesh.. Thanks
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 120 degree rotor.jpg (83.4 KB, 49 views)

 August 7, 2013, 03:35 #2 Super Moderator   Sijal Join Date: Mar 2009 Location: Islamabad Posts: 4,301 Blog Entries: 6 Rep Power: 43 1. Create main block. 2. Associate edge and vertices. 3. Make four splits at leading edge, trailing edge, pressure side and suction. 4. Make O-grid around airfoil. 5. Set edge mesh parameters 6. Create UN-structured mesh. 7. Select solver and set boundary conditions 8. Output mesh.

 August 15, 2013, 00:25 #3 New Member   Michael Bausas Join Date: May 2013 Posts: 10 Rep Power: 5 thanks Far, but if you wont mind, i would like to request if you can make a step by step video tutorial on which edge and vertices should be associated to which curves and points. and the locations of the splits. Sorry but i am still lost with ICEM CFD. Thank you so much in advance.

 September 26, 2013, 03:30 #4 New Member   Michael Bausas Join Date: May 2013 Posts: 10 Rep Power: 5 Far, good day! I have successfully built my unstructured mesh for 1/3 portion of wind turbine.. My question now is how to make the whole three bladed rotor.. Do i have to copy rotate the geometry, blocks and mesh? or only the mesh? I have tried copy-rotating the mesh but line elements would only appear for the original 1/3 part of my turbine. I am aware that i need to merge the nodes in order to generate the line elements for the whole rotor, but i think i am doing it wrong. I want to ask which nodes do i have to select to merge? thanks Far for your constant help..

 October 2, 2014, 11:33 #5 New Member   Molnár Bence Join Date: Sep 2014 Posts: 3 Rep Power: 4 Hi Michael! Have you found the solution how to copy and rotating properly the mesh from the 1/3 part? I don't know it neither and it would be a great help if you could tell me, and I really appreciate it. Thanks in advance! Regards, Bence

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