×
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

How to model closed crack in beam in ANSYS

How to model closed crack in beam in ANSYS

How to model closed crack in beam in ANSYS

(OP)
Dear people,

    I want to put the crack but closed at the midspan of the beam with depth half of height and with wight all of beam. Can somebody save a file or explain how to do that.

Regards,
 

RE: How to model closed crack in beam in ANSYS

Have you looked into VCCT elements? I can help you with that.
What do you mean with placing the crack at the midspan of the beam? Can you be more descriptive of your specific problem?

RE: How to model closed crack in beam in ANSYS

(OP)
I don't know what is VCCT elements. Can you make me a model for example beam L=1m, h=0.05m b=0.05m. Crack depth hc=0.025m, crack width bc=0.05m, crack length lc=0.01m. And show me how to do that?

RE: How to model closed crack in beam in ANSYS

VCCT: Virtual Crack Closure Technique.
Are you after the stress intensity factors? Are you trying to predict where the crack will go (KI, KII and KIII)?
If so, I have a set of instructions on how to do that in ANSYS than I can share with you.
Let me understand if this is what you are trying to do.

RE: How to model closed crack in beam in ANSYS

(OP)
NO, my main problem is to obtain natural frequencies for cracked beam. So I need a cracked model and then natural frequencies. If you have some instructions or make a model with crack to show. The problem is easy but I am new in ansys so I don't know how to do that.

RE: How to model closed crack in beam in ANSYS

I see. As a first approximation I would suggest to simulate the crack as a segment of no attachment between the upper and lower surface. What I mean, be creative in the modeling so that there is an segment and is free to open
I hope this helps,
-Francesco

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