The paper presents implicit large-eddy simulation (ILES) simulation of a shock tube experiment involving compressible turbulent mixing. A new characteristic-based approximate Riemann solver is derived, and employed in a second-order and fifth-order finite volume Godunov-type ILES framework. The methods are validated against (qualitative) experimental data and then compared and contrasted in terms of resolved turbulent kinetic energy and mixing parameters as a function of grid resolution. It is concluded that both schemes represent the experiment with good accuracy. However, the fifth-order results are approximately equivalent to results gained on double the grid size at second order, whereas the fifth-order method requires only approximately 20% extra computational time.
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e-mail: b.j.r.thornber@cranfield.ac.uk
e-mail: d.drikakis@cranfield.ac.uk
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December 2007
Research Papers
Large-Eddy Simulation of Shock-Wave-Induced Turbulent Mixing
Ben Thornber,
Ben Thornber
Fluid Mechanics and Computational Science Group, Aerospace Sciences Department, School of Engineering,
e-mail: b.j.r.thornber@cranfield.ac.uk
Cranfield University
, Cranfield MK43 0AL, UK
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Dimitris Drikakis
Dimitris Drikakis
Fluid Mechanics and Computational Science Group, Aerospace Sciences Department, School of Engineering,
e-mail: d.drikakis@cranfield.ac.uk
Cranfield University
, Cranfield MK43 0AL, UK
Search for other works by this author on:
Ben Thornber
Fluid Mechanics and Computational Science Group, Aerospace Sciences Department, School of Engineering,
Cranfield University
, Cranfield MK43 0AL, UKe-mail: b.j.r.thornber@cranfield.ac.uk
Dimitris Drikakis
Fluid Mechanics and Computational Science Group, Aerospace Sciences Department, School of Engineering,
Cranfield University
, Cranfield MK43 0AL, UKe-mail: d.drikakis@cranfield.ac.uk
J. Fluids Eng. Dec 2007, 129(12): 1504-1513 (10 pages)
Published Online: June 29, 2007
Article history
Received:
February 7, 2007
Revised:
June 29, 2007
Citation
Thornber, B., and Drikakis, D. (June 29, 2007). "Large-Eddy Simulation of Shock-Wave-Induced Turbulent Mixing." ASME. J. Fluids Eng. December 2007; 129(12): 1504–1513. https://doi.org/10.1115/1.2801367
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