cylindrical coordinates - radial data extraction 1

[mvp23]

I'd like to know how to extract the radial stresses once a cylindrical coordinate system has been created .

Do S11,S22,S33 correspond to the stresses in the R,THETA and Z directions respectively ?

 

[corus]

Yes. As a check you should find the radial stress will be zero (or nearly zero depending on the mesh) at a free surface with no pressure load, or equal to minus that pressure if one has been applied.

Tara

http://tinyurl.com/4ydjg7m

 

[mvp23]

That was very helpful. Thanks!

 

[mvp23]

Corus ,

when i try to probe the CPRESS values at a few nodes I end up with 'NoValue ' being displayed . Does this mean contact hasn't been established ? I read elsewhere that if no contact actually exists abaqus displays zero .
Any idea on what this 'NoValue' could mean ?

 

[corus]

Probably because those nodes aren't on the contact surface.

Tara

http://tinyurl.com/4ydjg7m

 

[mvp23]

I figured out the previous issue I had with cpress. The nodes were indeed away from the contact surface.

Now , I have another problem in terms of obtaining a bunch of radial stress values. I've got 2 cylinders A(outer) and B(inner) in contact. I'm trying to plot the radial stress as a function of distance (radius). I tried creating a radial path through the cylinders A and B , but somehow couldn't get it right . Should I mesh this really really fine so that I see enough number of nodes along the thickness for me to manually probe the values ? Is there a simpler way to do it so that I don't have to deal with a huge mesh ?

Thanks