Numerical Simulation of Thermoacoustic Wave Induced by Thermal Effects by Using Discontinuous Galerkin Method

This paper describes a numerical model based on discontinuous Galerkin method for thermoacoustic investigation. Numerical investigation was conducted to study the behaviour of thermoacoustic wave propagations induced by thermal effects in 2-dimensional enclosure. The compressible Navier-Stokes equat...

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Bibliographic Details
Published in:Modelling and simulation in engineering 2018-01, Vol.2018, p.1-9
Main Authors: Pranowo, Pranowo, Widyaparaga, Adhika
Format: Article
Language:English
Subjects:
Accuracy
Acoustics
Compressibility
Computational fluid dynamics
Computational physics
Computer simulation
Finite element analysis
Finite volume method
Fluid dynamics
Flux corrected transport
Galerkin method
Gases
Heat exchangers
Heat transfer
Low temperature physics
Mathematical models
Navier-Stokes equations
Numerical analysis
Numerical methods
Propagation
Runge-Kutta method
Simulation
Studies
Temperature effects
Thermoacoustics
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Summary:This paper describes a numerical model based on discontinuous Galerkin method for thermoacoustic investigation. Numerical investigation was conducted to study the behaviour of thermoacoustic wave propagations induced by thermal effects in 2-dimensional enclosure. The compressible Navier-Stokes equations are used as the governing equations. The spatial domain was discretized by using unstructured discontinuous Galerkin method and the explicit fourth-order Runge-Kutta was used to integrate the temporal domain. The accuracy of the numerical results was assessed against other numerical methods and linear solutions. The comparisons with linear solutions show excellent agreement and comparisons with flux corrected transport (FCT) method show fair agreement.
ISSN:1687-5591
1687-5605
DOI:10.1155/2018/9170317