×
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

Simulating a simply supported type of contact

Simulating a simply supported type of contact

Simulating a simply supported type of contact

(OP)
Hi,I am trying to simulate a pipe resting on three supports - the reason i am doing this is that the region directly in contact with the support has thinned, so i need to determine the stresses in the thinned section of pipe.

The pipe is simply resting on the supports and is free to move axially (to allow for expansion). This means that i dont want a bonded contact.I have tried using frictional contact, but this creates a non-linear analysis which wont converge when i apply a force.

The analysis runs when i apply a displacement but this isnt simulating what i need.Does anyone know of a way of simulating this sort of simple support i.e. purely not allowing the pipe to pass through the support!!

I am using ANSYS solver.Thanks in advance. KLT

RE: Simulating a simply supported type of contact

If it's not symmetric axially then you have to prevent motion in that direction so somewhere has to be restrained and the pipe can move relative to that position. Apply vertical restraints at the supports and use symmetry to define half a pipe. A problem arises if you have relatively wide supports and you need to define exactly where it is supported. Assuming it rests on the mid point of the support can lead to wrong results. In that case you'd need to use contact.

Tata  

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