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Tmoose, I would agree. I took the post to mean "pulling on each end" as a tangential pull. Anything different would give a moment on the banana and resulting bending with a neutral axis like a c clamp you mentioned. Regards Neil

Hello there. I believe if you pull on each end of a banana section along its curve, that would be like hoop stress in a section of a pressure vessel and hence would have no bending in it or compression unless I am missing something? It should be pure tension I think. Sort of like pulling on a...

Doug, very interesting. Thanks for the idea. I ahve been threatening myself to buy the Roark's book. Sound like it would be useful. If I understand well, if you get stress and deflection at a given point for static loading, you just use the ratios given to get the impuse deflection and...

If you know the stress strain curve of the bumper, convert it to a force vs deflection curve for the bumper using the frontal area and the length. Then use an energy balance of kinetic energy (1/2mv^2) = area under the force versus deflection curve. This is easier to do if the curve is linear...

Draft control for say 35 hp and down works by sensing the puch on the top link which is the reaction to the moment the load creates adound the lower link cross shaft. Larger tractors use lowe link sensing which senses the horizontal pull force right on the lower link mounts. Both system...

A little factor to keep in mind is that a deep groove ball bearing can carry up to half of its radial rating in the axial direction. Often very useful for some bearing applications. Regards Neil

Hi Andrew. A real way to see the answer to question one is to imagine a weight hanging on a rod. The stress is force/area. If I change the material to aluminium from steel, the stress still follows this formula, independent of the material stiffness. The deflection will however be 3 times as...

Texag, you have identified what I am trying to do. Looking at the lap belt only for simplification, there is a FMVSS 210 test which requires a seatbelt anchorage system to be pulled with a pelvic block at a force forward with a 10 deg slope upwards. Straight on it is easy to calculate the...

I am analysing a seat belt pulling on a seat. Is there a way to apply a load as a closed loop seat belt would apply it with no compression or bending being applied? This would be very useful. The remote load direct transfer seems as close as I can get to simulate it, but from the example given...

Suggest you not use cuts but vary the length of the original extrusion within the design table. Different configurations can then have a differnt part numbers and descriptions within the design table with the length dimension being the only variable. Nothing to suppress, and the surfaces for...

You might try to run the analysis with a domed shape and get the max deformation. Then model the sheet with a dome shape of similar height as the deformation. Run it again. A couple of tries should get you pretty close to flat. I think 2008 may have a feature in Cosmosworks designer to...

I am looking for a model of a zipper with the 2 tracks. I have found a model of the grip and traveller on 3D Content. The rest of the parts involved would be nice to get. Thanks Neil Grant