Inderscience Publishers

Vibro-acoustic analysis of functionally graded circular discs under thermal environment

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A circular disc made up of Functionally Graded Material (FGM) with several cases of FGM index are modelled and their vibration response to a harmonic point load in a thermal environment with temperature dependant material properties was computed by using the Finite Element Method (FEM). A macro was developed by the corresponding author in ANSYS Parametric Design Language for modelling FGM using the available physics in ANSYS. The acoustic response of a FGM circular disc was computed by coupling the vibration data from the FEM to the Boundary Element Method (BEM) using LMS SYSNOISE.

Keywords: FGM circular discs, functionally graded materials, FEM, finite element method, BEM, boundary element method, critical buckling temperature, ANSYS, LMS VIRTUAL LAB, parametric design, vibro-acoustic analysis, vibration response, harmonic point load, thermal environment, noise

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