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The paper highlights the important observations on vibro-acoustic characteristics of the Functionally Graded Carbon Nanotube Reinforced Composite (FGCNTRC) plate subjected to varying thermal load computed through numerical investigation. An integrated approach using finite element method and Rayleigh integral is employed to carry out parametric studies in numerical investigation. Parametric studies are carried out to analyse the influence of functional grading, structural boundary condition, increase in thermal load and the nature of temperature profile on the vibro-acoustic characteristics in detail. Buckling and free vibration characteristics are found to be significantly influenced by the increase in thermal load and the location of the heating source. The resonant amplitude of vibration and acoustic response are also thus found to have a significant effect due to the varying thermal environment. The variations are more pronounced in the lower range of frequencies and are analysed in detail through the band-wise calculation of sound power level.
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