Smooth model needed for meshing

[Anonymous]

Dear all,

I am trying to get a CFD simulation running for a centrifugal pump. My problem with the pumpcasing is the fact that the model is totally faceted. This means that the model contains a lot of edges and small lines. This is a problem when I want to create a mesh. I already tried the CFD build in tool to remove small edges and etc. but there are still a lot of edges in my model. 

What I need is a model with smooth surfaces, but I don't know how to do this.... I dont't think that Inventor has this option, but maybe there is another way?

Please see the attached picture to clearify my problem.

Thanks in advance

[johnsonshiue]

Hi! You can either try using Fillet command to smoothen the edges. Or, you simply delete individual faces and recreate them using Boundary Patch. The Patch surfaces may not be 100% exactly the same as the original faces but they should be very smooth (G2) for further consumption purpose.

Thanks!

[Anonymous]

Hi,

Thanks for your answer. Fillet is not an option because Inventor can not make any fillet because of the geometry. The second option might be usefull, although i am not sure about this. What you see on the picture are some faces that can easily be seen from that distance. However, if I zoom in really close, you see a lot of really small faces and tiny edges (edgelength = 0.01 mm).

I also thought it might be an idea to 'scrape' some of the material by using a cutting revolve. This however is not an option because the geometry of this inner pumpshell is constantly changing if you go round (like somekind of revolving loft).

I was hoping that their might be an option to export the .ipt to some other kind of program to make a smooth model.

Thank you for your time

[Anonymous]

Someone who can help me :(?

[JDMather]

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@Anonymous wrote:
Someone who can help me :(?

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You have not attached a *.ipt file here.  I am not familiar with editing pretty (or not so pretty) pictures in Inventor.