What is Hourglass in FEA
What is Hourglass in FEA
(OP)
I am new to this field and what to know about Hourglass
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS Come Join Us!Are you an
Engineering professional? Join Eng-Tips Forums!
*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail. Posting GuidelinesJobs |
What is Hourglass in FEA
|
RE: What is Hourglass in FEA
___
\ / \
-----
/ \ /
-----
See it looks like an hourglass.. This is easily removed by either selective reduced integration where the shear mode is fully integrated or by the addition of hourglass stabilization (see one of the many papers by Belytschko)
RE: What is Hourglass in FEA
In order to understand hourglassing, you need to first understand what is shear-locking in finite elements.
The following link explains the concepts in pure layman terms.
http://web.mscsoftware.com/events/vpd2006/na/prese...
A more through mathematical treatment is covered in
www.cmmacs.ernet.in/cmmacs/pdf/ch06.pdf