Eng-Tips is the largest forum for Engineering Professionals on the Internet.

Members share and learn making Eng-Tips Forums the best source of engineering information on the Internet!

  • Congratulations dmapguru on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Riks - Load-displacement curve bounced back, invert to negative

Status
Not open for further replies.

asdjk

Structural
Joined
May 5, 2012
Messages
5
Location
GB
Hi guys,

I'm modelling a thin plate (4mm) under in-plane loads (axial loads) that has a high Elastic Modulus (E = 10^7 MPa) in order to get a plastic behavior (disregard the initial elastic deformation).

The load-displacement curve (axial load VS out of plane displacement) starts loose axial resistance while the lateral displacement increases, as expected, but at some point, the lateral displacement changes (invert) and the deformation shape bounced back.

Does anyone know how this behavior can be avoided (invert the lateral displacement)?

Thanks
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top