×
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

epoxy compression stiffness

epoxy compression stiffness

epoxy compression stiffness

(OP)
Hello, can anyone explain me how to determine compression stiffness?. Im modeling a epoxy as a gap element in Femap.
On catalog of epoxy manufacturer i found out that compression strength of epoxy is 130 MPa but Femap needs compression stiffness (N/mm).
so how to determine?

RE: epoxy compression stiffness

Hello,
you won't. To calculate stiffness, you will need Young's modulus, and cross section of solving part. If you are able to find the solution for your situation then you have to calculate stiffness accordingly to analytic solution of simplified model. For example, for simple tension / compression of simple beam is k=(E*A)/l.

k.. Stiffness
E.. Young's modulus
A.. Area of cross section
l.. length of beam

This solution is correct, only for linear material. For non-linear materials, stiffness isn't one number, but is deformation - dependent. And the solution is much more complicated.

I hope it will help to you.

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