Subject: Re: FRAME DATA Posted by: Fresnais Gregory on June 06, 2000 at 04:56:47: In Reply to: FRAME DATA posted by PATRICK KWAN on December 19, 1999 at 04:55:37:

Message: >I actually doing an experiment on vibration analysis on bicycle frame, it >is about to measure the natural frequencies, vibration mode shapes and other >characteristics, then applying damages on the frame and then do such >experiments again to find another set of nat. freq. and mode shape, then use >these data to compare with the theoretical assumption. > I will connect the exciter and force transducer and accelerometer to the >frame, and then through the spectrum analyser to analysis the vibration mode. > By making such assumption, i must have to know the dynamics of the >bicycle frame, stiffness, load distribution when external force is applied. > Therefore i want to search informations about the mechanism of bicycle >frame, and force dynamics and other data required to make my assumptions. > Again thank you for your kindness! >Patrick Kwan