helix with rectangular cross section.

hello

I need to know how to make a helical ribbon with rectangular cross-section.

thanks

10 Replies Last Post 27 Mar 2017 04:48 GMT-04:00
Posted: 6 years ago 27 Oct 2011 22:32 GMT-04:00
Hi Jason:

Is this what you want? I made it by sweep a rectangle with a helix. If yes, I can upload the model.
Hi Jason: Is this what you want? I made it by sweep a rectangle with a helix. If yes, I can upload the model.


Posted: 6 years ago 27 Oct 2011 23:27 GMT-04:00
yes, is exactly that I need.
yes, is exactly that I need.

Posted: 6 years ago 27 Oct 2011 23:38 GMT-04:00
thanks
thanks

Posted: 6 years ago 9 Nov 2011 15:22 GMT-05:00
ohh!

I have a problem, I get the following message: "model created with a later version of comsol"

could you tell me how to make the helix? have you any tutorial?

ohh! I have a problem, I get the following message: "model created with a later version of comsol" could you tell me how to make the helix? have you any tutorial?

Posted: 6 years ago 9 Nov 2011 20:32 GMT-05:00
Sorry for that. Below is how I made it.

First is create a rectangular in a work plane.
Second, make a parametric curve to represent the helix curve, like (cos(4*s),sin(4*s),s).
Last, sweep the rectangular with parametric curve. Pay attention to uncheck the "twist compensation".
Sorry for that. Below is how I made it. First is create a rectangular in a work plane. Second, make a parametric curve to represent the helix curve, like (cos(4*s),sin(4*s),s). Last, sweep the rectangular with parametric curve. Pay attention to uncheck the "twist compensation".

Posted: 6 years ago 21 Nov 2011 21:37 GMT-05:00
Hi vincent

your explanation was very successful, check it.

But I have other problem, i cant do difference between a cylinder and the agitator because disappears the figure.
I tried make a difference with each element and I realized that it can be for the sweep. I m not sure, have you any idea.

Thanks

P.D: Im doing a reactor and i want use rotating machinery model
Hi vincent your explanation was very successful, check it. But I have other problem, i cant do difference between a cylinder and the agitator because disappears the figure. I tried make a difference with each element and I realized that it can be for the sweep. I m not sure, have you any idea. Thanks P.D: Im doing a reactor and i want use rotating machinery model


Michael Norton
Posted: 6 years ago 22 Nov 2011 12:20 GMT-05:00
I am having the same issue. Anytime I perform Boolean operations on an object created with sweep I get funny results - I think the surface normals are getting reversed on some of the faces. I sent a message into support, I'll post any fixes they are able to suggest.
I am having the same issue. Anytime I perform Boolean operations on an object created with sweep I get funny results - I think the surface normals are getting reversed on some of the faces. I sent a message into support, I'll post any fixes they are able to suggest.

Posted: 6 years ago 22 Nov 2011 19:39 GMT-05:00
Im worried, I need it for finished my thesis.....Bad
Im worried, I need it for finished my thesis.....Bad

Muhammad Mohsin Rehman
Posted: 5 years ago 18 Nov 2012 07:51 GMT-05:00
Guys, have you solved the problem? If so, can you please post the solution?

Thanks..
Guys, have you solved the problem? If so, can you please post the solution? Thanks..

Jose Bellosta von Colbe
Posted: 6 months ago 27 Mar 2017 04:48 GMT-04:00
Sorry to bother you with this; the posting is quite old but it is exactly what I need. However, I don't seem to get exactly the same in 5.2a as the image 123.png posted here. Would you mind posting a more detailed explanation on how to sweep the rectangle to get the helix and with which parameters you did it? I am a complete newbie and still have problems with basic things; sorry.

Thanks in advance,
Sorry to bother you with this; the posting is quite old but it is exactly what I need. However, I don't seem to get exactly the same in 5.2a as the image 123.png posted here. Would you mind posting a more detailed explanation on how to sweep the rectangle to get the helix and with which parameters you did it? I am a complete newbie and still have problems with basic things; sorry. Thanks in advance,

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