Abstract
Contemporary tools which help to design technical objects refer to the
conclusions drawn from studying the changes of physical processes
accompanying the exploitation, especially to vibroacoustic processes. The
main problem is to define such vibroacoustic measures, where their changes
would model the analyzed physical phenomena in the best way. Basing on
simple indicators which refer to occurring phenomena, it is possible to
obtain accurate solutions with a satisfactory reliance level without using
complex computing techniques needing detailed descriptors. According to
the author, the indicators which are based on the analysis of
vibroacoustic energy propagation are very useful in solving engineering
problems. These indicators are useful while diagnosing the condition of
technical systems, identifying and minimizing the vibroacoustic risks. The
possibilities of using such indicators in order to find design solution
are illustrated by sample results of the research of the structures with
vibroacoustic elements which reduce the noise of rail vehicles by the rail
vibration damping.
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