Stress on pin and bracket.
Stress on pin and bracket.
(OP)
I am analysing a pin which rests through two holes in a bracket. The holes are .02 in wide and are slightly larger than the pin. The pin is subjected to a downward force in the middle (between the holes). I am intesrested in the stress where the pin meets the hole in both parts.
The problem I am having is that the more I refine the mesh, the higher the stress is, and it seems to be diverging at that point. Is there a way to get an accurate result for this type of problem?
I have "no penestration" contacts with surface to surface checked on all of the touching faces.
The problem I am having is that the more I refine the mesh, the higher the stress is, and it seems to be diverging at that point. Is there a way to get an accurate result for this type of problem?
I have "no penestration" contacts with surface to surface checked on all of the touching faces.






RE: Stress on pin and bracket.
corus
RE: Stress on pin and bracket.
RE: Stress on pin and bracket.
corus
RE: Stress on pin and bracket.
RE: Stress on pin and bracket.
Are you using node to node gaps or surface to surface?
TOP
CSWP
BSSE
www.engtran.com
www.niswug.org
"Node news is good news."
RE: Stress on pin and bracket.
I use surface to surface, but what is the difference?
RE: Stress on pin and bracket.
If you're only looking at the pin then why not do a simple hand calculation and treat the pin as a beam on simple supports where it makes contact with the outer lug(s). I suspect that a combination of bending and shear stresses will cause failure.
corus
RE: Stress on pin and bracket.
TOP
CSWP
BSSE
www.engtran.com
www.niswug.org
"Node news is good news."