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[DesignModeler] 3D Curve to Spline to Extrude

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Old   February 28, 2011, 10:21
Default 3D Curve to Spline to Extrude
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Hi,
I'd like to create a domain for an airfoil mesh. Thus my plan is to import the upper- and lowerside coordinates of the airfoil, create splines out of it, create a farfield circle, extrude it with the airfoil as "hole" and so get my domain.

However I'm stuck with the creation of the spline. I imported my airfoil coordinates as 2 3D curves, but how do I extrude them ? Do I have to transform those curves into regular sketch-splines ? But how ?

I've seen that there is a video tutorial online, but here in the computer lab of my university there is no codec and no flash player installed and of course I dont have any admin rights. argh !
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Old   August 1, 2011, 15:14
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hi,

did you find how to solve your problem ? Because i am in the same situation. I don't know how to extrude the curve of the airfoil.

Thank you.
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Old   October 9, 2011, 13:23
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Jutta Carow
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Hi everyone,

This is the solution:

1) Import 3D-Curves as instructed in other threads with the help of a properly formatted Coordinates File. Make sure that the endpoints of your curves coincide.

2) Create a new plane. In that plane, you do a "Sketch Projection" of the two curves. You will have to pick them manually.

3) Extrude the sketch.

Cheers!
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Last edited by jrcarow; October 15, 2011 at 09:37.
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Old   July 16, 2012, 13:56
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thanks
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Old   August 22, 2012, 08:03
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works great. thanks for the tip.
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Old   April 9, 2014, 14:23
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I was trying the sketch projection option in ansys design modeler. I have a 3d airfoil curve which I want to analyse in a 2D air domain. Under the sketch projection option what should I put as the target?
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Old   April 10, 2014, 02:37
Default Target of "Sketch Projection"
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Jutta Carow
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Hi dreamz,

In the "Details View", your "Sketch Projection" wants to know which entity it should project into your new plane (row "Geometry" in Details View). Manually pick the 3D-Curve in the Graphics Window, then hit "Apply" and "Generate".

Did I get your question right? If you're asking where to project your curve onto: you need to first create the 3D-Curve and then create a new plane in which the Sketch Projection can take place. You cannot project anything onto the original XY/ZX/YZ-Plane, since they are upstream of your 3D-Curve.
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Old   April 10, 2014, 13:00
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@jrcarow:

Thanks. Your guidance worked..!!
Hearty thanks.!!
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