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Warp, they don't measure air velocity in the vicinity of the wire, they measure mass airflow in the vicinity of the wire. The two, of course, are related, but with the potential for nontrivial air density changes under normal operating conditions, they are not the same.

"Traffic engineering has long recognized that vehicle flow resembles shock waves near critcal velocity; one person stabs the brakes, and each of the following vehicles has to stop progressively harder as the reaction time cushion is used up, until some poor sap, ten vehicles behind, and who was...

On one of the SAE design competitions (Baja), we used a semi-trailing rear suspension with pivots constructed of steel pins bushed with UHMWPE or Delrin. The pins, I believe, were hardened shoulder-bolt types, which we felt were more robust and easier to service than a pin with circlips. This...

Take care with how you account for the mass of your "probe," or whatever that mechanism that you are supporting actually is. At the very least, you need to have the mass of that accounted for at the end of the support structure. However, given the aspect ratio of the device, I would suggest...

Some solution information, for the record: The cryptic error message I was getting meant that there was a problem with the datum curves which I was using to define my beam sections. I do not know exactly what the problem was, likely an issue with an overlap or a gap between beams. I was able...

Hello all- I am attempting to do analysis of a space frame (an automotive chassis composed entirely of tubes) using Pro/E and Mechanica. I have modeled the frame using datum points connected with datum curves, and am doing FEA using the beam sections capabilities of Mechanica. However, with a...