Re: modal analysis for location of "weak spots"

Paul_K wrote:
> 
> Stress results from modal analysis can be used to locate weak spots, of
> course remembering not to take those stresses literally but only for
> comparison between different portions of the structure and only in the 
> same mode.
> 
> Would somebody know some published references addressing this method of
> structural evaluation?

A textbook on dynamics and vibrations seems like a good place to start.  
Maybe one on continuous systems.  That's all I can tell you.  
 
> thanks
> Paul