Mesh To NURB Question - Surface Modeling

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UGMENTALCASE		#1 Posted : Thursday, March 29, 2018 4:18:47 PM(UTC)
Rank: Senior Member Joined: 3/21/2017(UTC) Posts: 956 Thanks: 46 times Was thanked: 321 time(s) in 213 post(s)		Evening all, I have a mesh which I've created in Topogun 2, so it's a nice quad mesh. I've added images below. My question is, when I use mesh to subd, I get the second attached image, what is causing it to 'split up' the surfaces as shown? Is there a way to create a nice full 'clean' surface here? File Attachment(s): FULL BLADE.zip (271kb) downloaded 4 time(s). UGMENTALCASE attached the following image(s): Quad Mesh -1.jpg (288kb) downloaded 8 time(s). Mesh to NURB -1.jpg (54kb) downloaded 9 time(s). You cannot view/download attachments. Try to login or register.


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digitalphaser		#2 Posted : Thursday, March 29, 2018 5:29:39 PM(UTC)
Rank: Senior Member Joined: 4/17/2015(UTC) Posts: 256 Location: Berlin Thanks: 17 times Was thanked: 72 time(s) in 51 post(s)		SharkCAD like a simple mesh. Ideally with not subdivided clean quad topology. Your simple model has an unreasonably complex mesh. Here 10-20 polygons are enough. In this case, Shark calculated correctly. digitalphaser attached the following image(s): sd.jpg (101kb) downloaded 1 time(s). You cannot view/download attachments. Try to login or register.


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Tim Olson		#3 Posted : Friday, March 30, 2018 10:47:46 AM(UTC)
Rank: Senior Member Joined: 2/2/2007(UTC) Posts: 5,447 Was thanked: 502 time(s) in 353 post(s)		>>so it's a nice quad mesh. It looks like some of the quads have collapsed edges. Plus some of the quads have flipped normals. Do you have any control in Topogun to refine this area into smoothly flowing quad paths? Tim Tim Olson attached the following image(s): flip.png (412kb) downloaded 8 time(s). You cannot view/download attachments. Try to login or register.
		Tim Olson IMSI Design/Encore


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UGMENTALCASE		#4 Posted : Friday, March 30, 2018 10:57:17 AM(UTC)
Rank: Senior Member Joined: 3/21/2017(UTC) Posts: 956 Thanks: 46 times Was thanked: 321 time(s) in 213 post(s)		Hi Tim, You can manually delete the points and put in new edges. So when you subdivide it goes a bit made, like you can see. So you can go in and edit. Thought I ran a repair on this mesh! Obviously not! :-)


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Tim Olson		#5 Posted : Friday, March 30, 2018 11:05:41 AM(UTC)
Rank: Senior Member Joined: 2/2/2007(UTC) Posts: 5,447 Was thanked: 502 time(s) in 353 post(s)		>>Thought I ran a repair on this mesh! Same here. I'm looking now into why the flipped normals were not repaired. Tim Edited by user Friday, March 30, 2018 11:07:45 AM(UTC) \| Reason: Not specified
		Tim Olson IMSI Design/Encore

1 user thanked Tim Olson for this useful post.		UGMENTALCASE on 3/30/2018(UTC)
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