26 feb 2009 kl. 19.32 skrev Roger Eichhorn:
.... Flexing the Lexan slightly increases the effect as the stress increases. I'm not familiar enough with the technique to know whether or not it's suitable for analysis of stress concentrations.
It is indeed eminently suitable, and has been extensively used for this very purpose, with plexiglass models of structural details. Today, computer modelling has taken over, but it is still a suggestive educational method.
Per Öfverbeck http://elgfoto.se "In a world without walls or fences, who needs Windows or Gates"
