Kumar Roushan
Mukhopadhyay Santwana
harmonic plane wave, generalized thermoelasticity, thermoelasticity type III, thermoelasticity with three phase-lags
The present paper attempts to investigate the propagation of harmonic plane waves of assigned frequency by employing the thermoelasticity theory with three phase-lags, recently proposed by Roychoudhuri (2007). The solutions of dispersion relation for the longitudinal plane waves are determined analytically and asymptotic expansions of several characterizations of the wave fields- phase velocity, specific loss and penetration depth of the dilatational waves are obtained for both the high frequency and low frequency values. Computational work for numerical values of the above quantities is also carried out with the help of Mathematica. A detailed analysis of the effects of phase-lags on the plane wave is presented by contrasting the theoretical as well as numerical results of the present work with the corresponding results of the theory of thermoelasticity type III (Green and Naghdi, 1993) as reported earlier.
Poznań
OWN
2009.12.30
2009.07.03
2010.03.25
2009.12.16
artykuł
application/pdf
eng
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