Szukana fraza: [Abstract = "The governing equations of a rotating initially stressed monoclinic piezoelectric thermo\-elastic medium with a magnetic field are formulated. This research problem is solved analytically, for a two\-dimensional model of the piezo\-electric monoclinic solid, and concluded that there must be four piezo\-thermoelastic waves, three coupled quasi waves \(qP \(quasi\-P\), qT \(quasi\-thermal\), and qSV \(quasi\-SV\)\) and one piezoelectric potential \(PE\) wave propagating at different speeds. It is found that at least one of these waves is evanescent \(an evanescent wave is a non\-propagating wave that exists\) and that there are therefore no more than three bulk waves."]

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