Greg,
You are correct that the linear analysis will not fully capture the instability from the pulse at the base of the stack, but it will tell us if the reactions on the opposite side begin to approach zero. If does get close to an uplift, then I will re-create the model in a different...
Thank you all for the input. The mandrels are made of aluminum but the extension legs are made of A36. It should be rather rigid but it would still have to be viewed as a jointed vert beam. I agree with GregLocock that the best approach would be a simple beam FEA model. The extension legs...
What is the best approach to calculating the tipping force for a stack of multiple items? We have been asked to design some Layup Mandrels that can be stacked on top of each other for the Autoclave. The mandrels are supported by outriggers with extension legs to hold them off the surface below...