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IRstuff, You're absolutely right. We are using Algor FEA to do a majority of the analysis. In the past, however, my predecessors did much of it by hand calculation, so, determination of spring constants was necessary. I predominantly employ computer analysis, since taking over the job a short...

Lcubed, Rather than complicating things, you've clarified them. My difficulty was in seeing where the spring constant equations come from. Originally, I hadn't made the connection between beam deflection equations(axial and bending)and Hooke's law. An excellent point, too, on torsion. I...

optech, The shock would usually be from an explosion. Lcubed, Please refer to my reply to Electricpete. Thank you both for the assistance.

Electricpete, That's an excellent point. If so, what would an equation for transverse or longitudinal shock look like? I guess my central question is how does one formulate the spring constant equation---from a physical standpoint. If I take bending of a leg into account, do I then somehow...

PREFACE: I'm new to shock and vibration analysis. This is not a homework problem. It is a simplification of the type of analysis I deal with. I simply need clarification of what is probably a simple step for those of you familiar with shock and vibration. PROBLEM STATEMENT: I have a large...