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Research Output 2015 2019

2019
3 Citations (Scopus)

Acoustic loading beneath hypersonic transitional and turbulent boundary layers

Ritos, K., Drikakis, D. & Kokkinakis, I. W., 17 Feb 2019, In : Journal of Sound and Vibration. 441, p. 50-62 13 p.

Research output: Contribution to journalArticle

Open Access
File
hypersonic boundary layer
turbulent boundary layer
Hypersonic aerodynamics
Boundary layers
Turbulence

Investigating the Van der Pol analogy in vortex shedding using Pade approximants and compact finite differences

Johnston, D., Afsar, M., Sescu, A. & Kokkinakis, I., 25 Nov 2019. 1 p.

Research output: Contribution to conferenceAbstract

vortex shedding
near wakes
Taylor series
Karman vortex street
bluff bodies
1 Citation (Scopus)

Modeling of Rayleigh-Taylor mixing using single-fluid models

Kokkinakis, I. W., Drikakis, D. & Youngs, D. L., 9 Jan 2019, In : Physical Review E. 99, 1, 14 p., 013104.

Research output: Contribution to journalArticle

Open Access
File
Fluid Model
Rayleigh
fluids
Modeling
Large Eddy Simulation
1 Citation (Scopus)

Wall-pressure spectra models for supersonic and hypersonic turbulent boundary layers

Ritos, K., Drikakis, D. & Kokkinakis, I. W., 17 Mar 2019, In : Journal of Sound and Vibration. 443, p. 90-108 19 p.

Research output: Contribution to journalArticle

Open Access
File
hypersonic boundary layer
wall pressure
turbulent boundary layer
Hypersonic aerodynamics
Boundary layers
2018

Circumventing shock anomalies: a hybrid Riemann solver with high-order schemes

Kokkinakis, I. & Drikakis, D., 13 Jun 2018, p. 1. 1 p.

Research output: Contribution to conferenceAbstract

Shear viscosity
Shear waves
Finite volume method
Flow structure
Shock waves

Comparison of the finite volume and discontinuous Galerkin schemes for the double vortex pairing problem using the SU2 software suite

Singh, K. K., Drikakis, D., Frank, M., Kokkinakis, I. W., Alonso, J. J., Economon, T. D. & van der Weide, E. T. A., 8 Jan 2018, 2018 AIAA Aerospace Sciences Meeting. Reston, VA., 14 p. 1833

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Mach number
Vortex flow
Galerkin methods
Finite element method

Computational aeroacoustics beneath high speed transitional and turbulent boundary layers

Ritos, K., Drikakis, D. & Kokkinakis, I. W., 14 Jul 2018, p. ICCFD10-146. 15 p.

Research output: Contribution to conferencePaper

Open Access
File
Computational aeroacoustics
Boundary layers
Acoustics
Hypersonic aerodynamics
Pressure gradient

Four-equation models for Rayleigh-Taylor mixing

Kokkinakis, I. W., Drikakis, D. & Youngs, D. L., 15 Jul 2018, p. 14. 1 p.

Research output: Contribution to conferenceAbstract

Open Access
File
Turbulence models
Density (specific gravity)
Convergence of numerical methods
Large eddy simulation
Physics
4 Citations (Scopus)

Performance of high-order implicit large eddy simulations

Ritos, K., Kokkinakis, I. W. & Drikakis, D., 15 Sep 2018, In : Computers and Fluids. 173, p. 307-312 6 p.

Research output: Contribution to journalArticle

Open Access
File
Large eddy simulation
Boundary layer flow
Direct numerical simulation
Vortex flow
Costs
2 Citations (Scopus)

Physical insight into a Mach 7.2 compression corner flow

Ritos, K., Kokkinakis, I. W. & Drikakis, D., 8 Jan 2018, 2018 AIAA Aerospace Sciences Meeting. Reston, VA

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Mach number
Boundary layers
Large eddy simulation
Turbulent flow
Momentum
5 Citations (Scopus)

Physical insight into the accuracy of finely-resolved iLES in turbulent boundary layers

Ritos, K., Kokkinakis, I. W. & Drikakis, D., 30 Jun 2018, In : Computers and Fluids. 169, p. 309-316 8 p.

Research output: Contribution to journalArticle

Open Access
File
Large eddy simulation
Boundary layers
Anisotropy
Conservation

Simulation of multi-mode transition to turbulence in compressible boundary layers using high-order methods

Ritos, K., Drikakis, D. & Kokkinakis, I. W., 11 Jun 2018. 1 p.

Research output: Contribution to conferenceAbstract

Open Access
File
Boundary layers
Large eddy simulation
Turbulence
Hypersonic aerodynamics
Mach number
2017
9 Citations (Scopus)

Implicit large eddy simulation of acoustic loading in supersonic turbulent boundary layers

Ritos, K., Kokkinakis, I. W., Drikakis, D. & Spottswood, S. M., 17 Apr 2017, In : Physics of Fluids. 29, 4, 046101.

Research output: Contribution to journalArticle

Open Access
File
supersonic boundary layers
turbulent boundary layer
Direct numerical simulation
Large eddy simulation
large eddy simulation
5 Citations (Scopus)

On the propagation and multiple reflections of a blast wave travelling through a dusty gas in a closed box

Lappa, M., Drikakis, D. & Kokkinakis, I., 30 Mar 2017, In : Physics of Fluids. 29, 3, 19 p., 033301.

Research output: Contribution to journalArticle

Open Access
File
blasts
traveling waves
Shock waves
Wave propagation
boxes

Thermoacoustic effects in high-speed compressible transitional and turbulent boundary layers

Ritos, K., Kokkinakis, I. W., Drikakis, D. & Spottswood, S. M., 9 Jan 2017, 55th AIAA Aerospace Sciences Meeting. Reston, VA, 14 p. 2017-0745

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Thermoacoustics
Boundary layers
Acoustics
Supersonic flow
Compressible flow
2016

Near-wall behaviour of implicit large eddy simulations

Kokkinakis, I. W. & Drikakis, D., 30 Sep 2016, ECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering. First ed. Vol. 1. p. 1032-1045 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Large Eddy Simulation
Large eddy simulation
Turbulent Boundary Layer
Mach number
Boundary layers
2015
10 Citations (Scopus)

Azure: an advanced CFD software suite based on high-resolution and high-order methods

Drikakis, D., Antoniadis, A. F., Tsoutsanis, P., Kokkinakis, I. & Rana, Z. A., 1 Jan 2015, 53rd AIAA Aerospace Sciences Meeting. AIAA 2015-0813

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Computational fluid dynamics
Physics
Large eddy simulation
Geometry
Computational efficiency
27 Citations (Scopus)

Comparison of structured- and unstructured-grid, compressible and incompressible methods using the vortex pairing problem

Tsoutsanis, P., Kokkinakis, I., Könözsy, L., Drikakis, D., Williams, R. J. R. & Youngs, D. L., 15 Aug 2015, In : Computer Methods in Applied Mechanics and Engineering. 293, p. 207-231 25 p.

Research output: Contribution to journalArticle

Open Access
File
Mach number
Vortex flow
vortices
dissipation
momentum
9 Citations (Scopus)

High-order methods for hypersonic shock wave turbulent boundary layer interaction

Kokkinakis, I. W., Antoniadis, A. F., Drikakis, D., Tsoutsanis, P. & Rana, Z. A., 6 Jul 2015, 20th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, 2015. Reston, VA, p. 262-280 19 p. AIAA 2015-3524

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

hypersonic shock
turbulent boundary layer
Hypersonic aerodynamics
large eddy simulation
shock wave
21 Citations (Scopus)

Implicit large eddy simulation of weakly-compressible turbulent channel flow

Kokkinakis, I. & Drikakis, D., 15 Apr 2015, In : Computer Methods in Applied Mechanics and Engineering. 287, p. 229-261 33 p.

Research output: Contribution to journalArticle

Open Access
File
Large eddy simulation
large eddy simulation
channel flow
Channel flow
Mach number
10 Citations (Scopus)

Two-equation and multi-fluid turbulence models for Rayleigh–Taylor mixing

Kokkinakis, I., Drikakis, D., Youngs, D. L. & Williams, R. J. R., Dec 2015, In : International Journal of Heat and Fluid Flow. 56, p. 233-250 18 p.

Research output: Contribution to journalArticle

Open Access
File
turbulence models
Turbulence models
Fluids
fluids
Kinetic energy