Imperial College London

Dr Chris Cantwell

Faculty of EngineeringDepartment of Aeronautics

Senior Lecturer in Aeronautics
 
 
 
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Contact

 

+44 (0)20 7594 5050c.cantwell Website

 
 
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Location

 

Department of Aeronautics, Room 219City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inproceedings{Lindblad:2022:10.2514/6.2022-2932,
author = {Lindblad, D and Sherwin, S and Cantwell, C and Lawrence, J and Proenca, A and Moragues, Ginard M},
doi = {10.2514/6.2022-2932},
pages = {1--21},
publisher = {American Institute of Aeronautics and Astronautics},
title = {Aeroacoustic analysis of a subsonic jet using the discontinuous Galerkin method},
url = {http://dx.doi.org/10.2514/6.2022-2932},
year = {2022}
}

RIS format (EndNote, RefMan)

TY  - CPAPER
AB - In this work, the open-source spectral/hp element framework Nektar++ is coupled with the Antares library to predict noise from a subsonic jet. Nektar++ uses the high-order discontinuous Galerkin method to solve the compressible Navier-Stokes equations on unstructured grids. Unresolved turbulent scales are modeled using an implicit Large Eddy Simulation approach. In this approach, the favourable dissipation properties of the discontinuous Galerkin method are used to remove the highest resolved wavenumbers from the solution. For time-integration, an implicit, matrix-free, Newton-Krylov method is used. To compute the far-field noise, Antares solves the Ffowcs Williams - Hawkings equation for a permeable integration surface in the time-domain using a source-time dominant algorithm. The simulation results are validated against experimental data obtained in the Doak Laboratory Flight Jet Rig, located at the University of Southampton.
AU - Lindblad,D
AU - Sherwin,S
AU - Cantwell,C
AU - Lawrence,J
AU - Proenca,A
AU - Moragues,Ginard M
DO - 10.2514/6.2022-2932
EP - 21
PB - American Institute of Aeronautics and Astronautics
PY - 2022///
SP - 1
TI - Aeroacoustic analysis of a subsonic jet using the discontinuous Galerkin method
UR - http://dx.doi.org/10.2514/6.2022-2932
UR - https://arc.aiaa.org/doi/10.2514/6.2022-2932
UR - http://hdl.handle.net/10044/1/98132
ER -