surface for 3D Closed Curve 1

[BABUGOUDA]

Hello All,

Please i need help.I need to create the Surface for the Closed 3D curve as we create in catia V5 with Fill Command. I have attached the file containing crve for which surface needs to be created.

I am using NX8
Thanks in advance
BGD

 

[cowski]

This appears to be the same question that you asked before
thread561-354120

If you don't give any new information, you won't get any new answers.

What's the actual application?
You only have a 3D curve by itself out in space (as in your example file)?
You have a hole in an existing surface?
Are you trying to match up to other existing surfaces?

www.nxjournaling.com

 

[wackolacko]

Without know more info, the best I can say is to use N-sided surface.

John L.
NX Support
Win 7 64bit NX 7.5.4.4 TC 8.3.1.1

 

[BABUGOUDA]

Hello cowski ,
I agree with you it is a old question . since i got answer for hole in the Surface and it was perfectly ok using the patch opening or delete edge command to fill hole in the surface.
but now with 3D 3d curve in space, i am not getting good surface with N-Sided. however i create it using the through curves by creating cross curves. but i need better way please..
So only N-Sidede is the way to fill the curve or are there any wasy to do it??

Thanks in Advance..
BGD

 

[Toost]

No, the N-sided is not the only way to do it.
You can for example also fit a surface onto the curve, but since we do not know the shape you want, it's hard to advice.

Regards,
Tomas

 

[kapmnit123]

Hi,
There are lot of different interpretations from the curve you have shared with us. The final output surface using N-SIDED will depend on other supporting inputs also (constrain faces ).
I am attaching a video file herewith and also the part file (in NX8) ...
You will see that in the last of the part file i have used just a plain extrude and trim sheet to get a more clean output (besides the N-SIDED surface as shown in video).i would have used this one (although it takes 2-3 steps but it gives the best clean surface ...i admit it may not be a case everytime but when possible i have always tried to use basic operations to get the final surface. You can check the Control point structure of the resulting face (rectangular grid) as compared to other methods.
Also please do check the curve quality (you will see a small gap also however small but still it is there ...in addition to the abrupt changes in the curvature comb).
Best Regards
Kapil Sharma

 

[BABUGOUDA]

Hello Sharma,
Thanks for the possible options. here was trying to compare surfaces created in Catia with fill command and the surface created in NX with N-sided without the constraint surfaces
in either softwares.
Thanks all.

BGD

 

[capnhook]

So, in conclusion, a surface created in Catia with the fill command and a surface created in NX with N-sided (with or without the constraint surfaces) are NOT equal.

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[cowski]

With the given closed curve example, there are a multitude of different surfaces that would pass through the curve. When comparing 2 CAD packages (any 2) with this input we have different proprietary algorithms: I would have zero expectation that the output would be the same.

www.nxjournaling.com