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Thanks folks we'll proceed with a couple of ideas.

Folks, I am working on an application like a big drawer slide. The slides are intended to be aluminum with steel balls running directly on them. Can anyone suggest an aluminum which would maximize the longevity of the slides and the contact stress issues. In addition this may be subjected to...

As I see it, that would be fine if the bushings were constrained and we could add the ball joint loads and stresses. The problem arises with the inertial relief. The constraint of the control arm is not really its own inertia but the resolved forces at the bushings. The inrel is only there...

I have recently hired a new stress analyst. His first task was to evaluate an UCA. We have ADAMS static loads (typical DELPHI static loads like 3g 3g, 6g one side, braking, lateral ...). I did it myself as an inertial relief problem and created 11 load cases, one for each static load. The...

Thank you everyone. I will see what I can find.

Does anyone out there have a catalog of AN, MS and NAS fasteners and such. I have an old Honeywell fastener catalog but I was also interested in other things like turnbuckles and rod ends and bearings and such. I was hoping there would be design specs as well. Thank you. Jim

Thankyou for the insight. I will look into the reference. Initially I was using a max tensile principal stress and I will dig a little deeper. Thanks again. Jim

I am trying to predict failure of a glass panel subjected to varoius loads. My FE model consists of solid elements. My question is what do I use for a stress criteria which will predict failure. The model will be used for multiple load cases. Thank you. Jim

Thanks everyone. I fully understand that I don't have enough to determine the polar moment. I was hoping someone had a good rule of thumb. I do have the NHTSA paper with their data and some of it seems a little off with respect to weights. Thanks anyway. Jim

Folks, I need to estimate the pitch moment of inertia of a vehicle for Vehicle Sim. I have the corner weights as well as track and wheelbase. My first thought was to treat the vehicle as a dumbell with two different size masses. The pitch moment would be the sum of the mr2 with r being the...