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Why can't you just calculate the max stress in the spring using 5 lbf and MERM equation 54.14: Shear Stress Max = (8FDW)/(pi*d^2)? SMS solves it by determining the Stress Amplitude, then the Mean Stress, then calculating Max as Mean plus Amplitude. I understand the load is cycling, but don't...

I never took vibrations, and can't seem to find where the attached problem solution comes from. It's from the NCEES 2001 sample test. Any advice as to where to look is appreciated. I couldn't come up with the answer from the MERM, Mark's, or Shigley (not saying they're not there). Thanks for...

I'm working through the 2001 NCEES sample test right now, and question 503 for the Machine Design afternoon section says something like: A specimen experiences a completely reversing bending stress of 15,000 psi and has an ultimate strength of 45,000 psi and endurance limit of 10,000 psi. How...

Forensic engineering firm looking for BSME or MSME. PE not needed, but welcome. Preferred experience / interest in automotive industry, with some hands on skills. CAD experience is a must. Experience with Rhino a plus. Must be an excellent communicator with good personal skills. PM me for...