CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > ANSYS Meshing & Geometry

[DesignModeler] Generating solid body between two bodies.

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   September 25, 2012, 18:58
Wink Generating solid body between two bodies.
  #1
New Member
 
Young Min Shim
Join Date: May 2009
Posts: 6
Rep Power: 7
yshi095 is on a distinguished road
Hello,
I would like to get some helps from expert in Design Modeler.

I need to fill the space between two solid bodies.
The solid body generated in the space needs to have smooth curve.
I am attaching a figure for you to be able to look at the geometry.
The real gemometry is a lot more complex but I just simplified it.

As you can see in the figure, the space (pointed with arrow) between upper cylinder and lower cylinder which cross in a right angle should be filled with smooth curved solid body.

Any suggestion is welcomed.

Thanks a lot.
Attached Images
File Type: png Domain.png (4.8 KB, 21 views)
yshi095 is offline   Reply With Quote

Old   September 25, 2012, 22:17
Default
  #2
Super Moderator
 
diamondx's Avatar
 
Ghazlani M. Ali
Join Date: May 2011
Location: Canada
Posts: 1,218
Blog Entries: 23
Rep Power: 18
diamondx will become famous soon enough
Send a message via MSN to diamondx
i'm not sure i got your point... do you mean a third body like an "enclosure" ?
__________________
Regards,
New to ICEM CFD, try this document --> http://goo.gl/G2gkE
Ali
diamondx is offline   Reply With Quote

Old   September 25, 2012, 22:21
Default
  #3
New Member
 
Young Min Shim
Join Date: May 2009
Posts: 6
Rep Power: 7
yshi095 is on a distinguished road
Yes, you can say that it is enclosure. But I would say that....

The body comes out from the bottom of the upper cylinder and gently (or smoothly) wraps the lower cylinder.

Thanks for your reply!
yshi095 is offline   Reply With Quote

Old   September 25, 2012, 22:28
Default
  #4
Super Moderator
 
diamondx's Avatar
 
Ghazlani M. Ali
Join Date: May 2011
Location: Canada
Posts: 1,218
Blog Entries: 23
Rep Power: 18
diamondx will become famous soon enough
Send a message via MSN to diamondx
yes you can do that ! there are different way of doing it, i will extrude a third body. then i will use the slice option, the slice option allow you to slice bodies and requires you to indicate if you want to slice by "plane", "edge" in your case i will select "face" and select the bottom face of the cylinder. i wanna confirm what i just said, if you have an easy geometry like the picture please share... i can show you how
__________________
Regards,
New to ICEM CFD, try this document --> http://goo.gl/G2gkE
Ali
diamondx is offline   Reply With Quote

Old   September 26, 2012, 00:19
Default
  #5
New Member
 
Young Min Shim
Join Date: May 2009
Posts: 6
Rep Power: 7
yshi095 is on a distinguished road
Thanks a lot for your brilliant suggestion.
You drove me to creative thinking, "slice".
I think I can generate sphere shape on both sides of the lower cylinder (or extrude some thing to outside direction) and slice them along the edges of the two cylinders. Hmmm. good idea.

How about "fill" function with caps.
I was able to build surface bodies from the edges of the upper cylinder to the axis of the lower cylinder. And tried to fill this space with solid boy.
I cannot use DM at the moment. I'll try your suggestion and let you know how it works ASAP.

Thanks again.
yshi095 is offline   Reply With Quote

Old   September 27, 2012, 22:48
Default
  #6
New Member
 
Young Min Shim
Join Date: May 2009
Posts: 6
Rep Power: 7
yshi095 is on a distinguished road
finally, I was able to generate solid bodies between two crossing bodies.
I used "fill" with caps.
I haven't tried to use extrude as suggested before, since I got the right solid bodies.
It was a good learning to me.
yshi095 is offline   Reply With Quote

Old   September 29, 2012, 01:10
Default
  #7
ANT
New Member
 
Join Date: Jun 2012
Posts: 17
Rep Power: 4
ANT is on a distinguished road
One method would be to extrude the circular base of the upper cylinder downwards into the lower cylinder and then do a boolean addition if "Add Materials" wasn't selected to begin with.

Another method would be to duplicate the edge of the upper cylinder's circular base, scale it until its radius is equal to the radius of the lower cylinder, then project this edge onto the lower cylinder's shaft, and perform a loft between this projected edge and the cylinder's lower edge. Then, if you'd like, add a fillet to the sharp edges created both at the base-edge of the upper cylinder and along the projected edge, where the loft meets the lower shaft.
ANT is offline   Reply With Quote

Old   September 29, 2012, 05:42
Default
  #8
New Member
 
Young Min Shim
Join Date: May 2009
Posts: 6
Rep Power: 7
yshi095 is on a distinguished road
Thanks a lot for your wonderful ideas.
The first one looks straightforward, but the second one, hmmmm, looks complicated. Anyway, both should work, I believe.
Again, it is good learning for me and I may be able to set up complex geometry using DM, not only rely on importing geometry files made from CAD software. This makes really big trouble, sometimes, due to the tiny gaps between bodies and not totally sealed space, etc.

Thanks again!!!
yshi095 is offline   Reply With Quote

Old   October 1, 2013, 06:07
Default
  #9
Senior Member
 
starter
Join Date: Sep 2012
Posts: 106
Rep Power: 6
sihaqqi is on a distinguished road
Quote:
Originally Posted by ANT View Post
One method would be to extrude the circular base of the upper cylinder downwards into the lower cylinder and then do a boolean addition if "Add Materials" wasn't selected to begin with.

Another method would be to duplicate the edge of the upper cylinder's circular base, scale it until its radius is equal to the radius of the lower cylinder, then project this edge onto the lower cylinder's shaft, and perform a loft between this projected edge and the cylinder's lower edge. Then, if you'd like, add a fillet to the sharp edges created both at the base-edge of the upper cylinder and along the projected edge, where the loft meets the lower shaft.

Hello ANT

I have a pipe tee geometry. The connecting curve generated by Ansys designmodeler is a sharp edge. I have been advised I cannot develop sweep mesh because of this and it can be solved if I have a fillet. How can I get a fillet between two surfaces. I shall be very grateful if you can guide.

Regards
Attached Images
File Type: jpg tee.jpg (64.8 KB, 14 views)
sihaqqi is offline   Reply With Quote

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Re-meshing a deformable solid body in a fluid brashear CFX 6 December 12, 2011 11:13
how to move a solid body along a clear line m.r_khani FLUENT 0 November 26, 2011 07:04
Doxygen documentation Tanay OpenFOAM Installation 9 September 23, 2011 11:40
Rigid Body State Variables in Solid Immersed Simulation Hamidreza CFX 1 October 19, 2009 06:14
CFX4.3 -build analysis form Chie Min CFX 5 July 12, 2001 23:19


All times are GMT -4. The time now is 03:43.