Draw the bending moment diagram to find out the maximum bending moment (M) on the shaft. Calculate the area moment of inertia (I) for the shaft. Replace the maximum bending stress (Tb) with the given allowable stress for the shaft material. Calculate the radius of the shaft. Shaft Design...
(flow, structural, heat transfer, etc.) will tell you that they'd be happy to get answers that are within 5% of "reality". In many tryes of analysis, an answer within 5% is more than good enough. In structural analysis, for example, factors of safety built into allowable stresses ...
On top of that, allowables tend to be VERY process-sensitive. Is the core being undercut around the insert? How far? A one-off pull test does constitute an allowable, at least as far as the FAA is concerned. Having said all that, I agree with the statement that there isn't a whol...
We can calculate the stresses. Once we know the stress levels, we can choose the appropriate materials and dimensions for our purposes. Each material has the stress levels that it can accept (allowable) and the stress level at which it breaks (fracture). Whatever we choose, we need to veri...
the different load cycles and the calculation method, rainflow counting vs spectral fatigue calculation and allowable fatigue stress vs direct fatigue damage is important, but also the resistance of the material and in case of welded structures the influence of welds needs to be taken into account....
In all of these cases, the solver may fail to find a solution if the compressive strains are large. If you suspect this to be the case, it is a good idea to plot the smallest principal strain. If it is smaller than -0.3 or so, we can expect this kind of breakdown. The critical ...
When the electrical tech assigned to do the work discovered he was not certified to perform this specific process, he brought it to the attention of his manager. The manager tried to find someone else in the facility with the proper certification to perform the crimping process, but there was...
to regain lift. It should be noted that too much forward pressure could hinder recovery by imposing a negative load on the wing. The next step in recovering from a stall is to smoothly apply maximum allowable power to increase the airspeed and minimize the loss of altitude. As airspeed ...
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