×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Remove small gaps/defects that are hard to find

Remove small gaps/defects that are hard to find

Remove small gaps/defects that are hard to find

(OP)
Hi,

I am new using flow works, and I have a problem putting boundary conditions for an internal analysis ("Face<1> is not laying on the boundary between solid and fluid region"). Check geometry gives me a 0 m^3 fluid volume, but I can't find where my solid is not closed.

In the help topic, they give the following tip : "Add mates where applicable. This may remove small gaps/defects which may be hard to find". Problem is, I am not english and I don't understand what "mate" means apparts from "buddy"... Is it some kind of envelope that would fill in the gaps ?

If anybody knows some way to solve my problem, all the ideas are welcome !

Thanks

RE: Remove small gaps/defects that are hard to find

Mates are used to define how an assembly is constructed.  So, if you have two faces you want to be in contact, you use the mates tool in assembly to define them as coincident.

If you're doing it on a single part, mates do not apply, and you probably have a geometry error somewhere.  Did you make the part as surfaces instead of a solid? You may have a bad surface.  Be wary of fillets that come to a very sharp (tangent) point too, they can mess with FEA and flow analysis.  The simpler the model the better!

RE: Remove small gaps/defects that are hard to find

(OP)
Ok, so the mates are the constraints, thanks for your answer. I've checked them all though.

My model is pretty simple, mostly made of pipes. But I figured out that sometimes when my model is too big it doesn't work very well... It may be linked to my computer capacity.

Anyway, thanks for your time !

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources