Publications

Congratulations to Dr Simon Haward for his figure being selected as a cover image in Physics of Fluids.

Haward, S. J., Page, J., Zaki, T. A. & Shen, A. Q. 2018 “Phase diagram” for viscoelastic Poiseuille flow over a wavy surfacePhys. Fluids 30, 113101.

DOI: https://doi.org/10.1063/1.5057392

 

 

JFM_V772_Cover

Congratulations to Dr Seo Yoon Jung for his figure being selected as a cover image in Journal of Fluid Mechanics.

Jung, S.Y. & Zaki, T. A. 2015 The effect of a low-viscosity near-wall film on bypass transition in boundary layers. J. Fluid Mech. 772, 330-360.

DOI: http://dx.doi.org/10.1017/jfm.2015.214

 

 
 

145 entries « 1 of 3 »

Journal Articles

1.

Fowler, Mitchell; Zaki, Tamer A.; Meneveau, Charles

A Lagrangian relaxation towards equilibrium wall model for large eddy simulation Journal Article

In: Journal of Fluid Mechanics, vol. 934, pp. A44, 2022.

Links | BibTeX | Tags: Channel, LES, Turbulence

2.

Zaki, Tamer A.; Wang, Mengze

From limited observations to the state of turbulence: Fundamental difficulties of flow reconstruction Journal Article

In: Phys. Rev. Fluids, vol. 6, iss. 10, pp. 100501, 2021.

Links | BibTeX | Tags: Data assimilation, Ensemble Variational Methods, EnVar, Turbulence

3.

Du, Yifan; Zaki, Tamer A.

Evolutional deep neural network Journal Article

In: Phys. Rev. E, vol. 104, iss. 4, pp. 045303, 2021.

Links | BibTeX | Tags: Deep learning, Machine Learning, Neural Networks

4.

Mons, Vincent; Du, Yifan; Zaki, Tamer A.

Ensemble-variational assimilation of statistical data in large-eddy simulation Journal Article

In: Phys. Rev. Fluids, vol. 6, iss. 10, pp. 104607, 2021.

Links | BibTeX | Tags: Channel, Data assimilation, Ensemble Variational Methods, EnVar, LES, Turbulence

5.

Yamani, Sami; Keshavarz, Bavand; Raj, Yashasvi; Zaki, Tamer A.; McKinley, Gareth H.; Bischofberger, Irmgard

Spectral Universality of Elastoinertial Turbulence Journal Article

In: Phys. Rev. Lett., vol. 127, iss. 7, pp. 074501, 2021.

Links | BibTeX | Tags: Jet, Polymer, Viscoelastic

6.

Narasimhan, Ghanesh; Meneveau, Charles; Zaki, Tamer A.

Large eddy simulation of transitional channel flow using a machine learning classifier to distinguish laminar and turbulent regions Journal Article

In: Phys. Rev. Fluids, vol. 6, iss. 7, pp. 074608, 2021.

Links | BibTeX | Tags: Channel, LES, Transition

7.

Leoni, Patricio Clark Di; Zaki, Tamer A.; Karniadakis, George; Meneveau, Charles

Two-point stress--strain-rate correlation structure and non-local eddy viscosity in turbulent flows Journal Article

In: Journal of Fluid Mechanics, vol. 914, pp. A6, 2021.

Links | BibTeX | Tags: LES, Turbulence

8.

Esteghamatian, Amir; Zaki, Tamer A.

The dynamics of settling particles in vertical channel flows: gravity, lift and particle clusters Journal Article

In: Journal of Fluid Mechanics, vol. 918, pp. A33, 2021.

Links | BibTeX | Tags: Channel, Particles, Turbulence, Viscoelastic

9.

Wang, Mengze; Zaki, Tamer A.

State estimation in turbulent channel flow from limited observations Journal Article

In: Journal of Fluid Mechanics, vol. 917, pp. A9, 2021.

Links | BibTeX | Tags: Adjoint, Channel, Data assimilation, Turbulence

10.

Jahanbakhshi, Reza; Zaki, Tamer A.

Optimal heat flux for delaying transition to turbulence in a high-speed boundary layer Journal Article

In: Journal of Fluid Mechanics, vol. 916, pp. A46, 2021.

Links | BibTeX | Tags: Hypersonic, Roughness, Transition

11.

Buchta, David A.; Zaki, Tamer A.

Observation-infused simulations of high-speed boundary-layer transition Journal Article

In: Journal of Fluid Mechanics, vol. 916, pp. A44, 2021.

Links | BibTeX | Tags: Data assimilation, Ensemble Variational Methods, EnVar, Hypersonic

12.

Cai, Shengze; Wang, Zhicheng; Lu, Lu; Zaki, Tamer A.; Karniadakis, George Em

DeepM&Mnet: Inferring the electroconvection multiphysics fields based on operator approximation by neural networks Journal Article

In: Journal of Computational Physics, vol. 436, pp. 110296, 2021, ISSN: 0021-9991.

Links | BibTeX | Tags: Data assimilation, Deep learning, DeepONet, Multiscale modeling, Mutiphysics, Operator approximation

13.

Mao, Zhiping; Lu, Lu; Marxen, Olaf; Zaki, Tamer A.; Karniadakis, George Em

DeepM&Mnet for hypersonics: Predicting the coupled flow and finite-rate chemistry behind a normal shock using neural-network approximation of operators Journal Article

In: Journal of Computational Physics, vol. 447, pp. 110698, 2021, ISSN: 0021-9991.

Links | BibTeX | Tags: Chemically reacting flow, Data assimilation, Deep learning, DeepONet, Hypersonic, Operator approximation

14.

You, Jiho; Buchta, David A.; Zaki, Tamer A.

Concave-wall turbulent boundary layers without and with free-stream turbulence Journal Article

In: Journal of Fluid Mechanics, vol. 915, pp. A4, 2021.

Links | BibTeX | Tags: Boundary layers, Curvature, Freestream Turbulence, Turbulence

15.

Wu, Zhao; Zaki, Tamer A; Meneveau, Charles

Data compression for turbulence databases using spatiotemporal subsampling and local resimulation Journal Article

In: Phys. Rev. Fluids, vol. 5, pp. 064607, 2020.

Links | BibTeX | Tags: Data assimilation

16.

Eyink, Gregory L; Gupta, Akshat; Zaki, Tamer A

Stochastic Lagrangian dynamics of vorticity. Part 2. Application to near-wall channel-flow turbulence Journal Article

In: Journal of Fluid Mechanics, vol. 901, pp. A3, 2020.

Links | BibTeX | Tags: Channel, Drag, Navier-Stokes, Turbulence

17.

Esteghamatian, Amir; Zaki, Tamer A

Viscoelasticity and the dynamics of concentrated particle suspension in channel flow Journal Article

In: Journal of Fluid Mechanics, vol. 901, pp. A25, 2020.

Links | BibTeX | Tags: Channel, Drag, Particles, Polymer, Viscoelastic

18.

Eyink, Gregory L; Gupta, Akshat; Zaki, Tamer A

Stochastic Lagrangian dynamics of vorticity. Part 1. General theory for viscous, incompressible fluids Journal Article

In: Journal of Fluid Mechanics, vol. 901, pp. A2, 2020.

Links | BibTeX | Tags: Channel, Drag, Navier-Stokes, Turbulence

19.

Wu, Zhao; Zaki, Tamer A; Meneveau, Charles

High-Reynolds-number fractal signature of nascent turbulence during transition Journal Article

In: Proceedings of the National Academy of Sciences, vol. 117, no. 7, pp. 3461–3468, 2020, ISSN: 0027-8424.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Machine Learning, Spots, T/NT interface, Transition, Turbulence

20.

You, Jiho; Zaki, Tamer A

Turbulent Heat-Transfer Enhancement in Boundary Layers Exposed to Free-Stream Turbulence Journal Article

In: Flow, Turbulence and Combustion, 2020, ISBN: 1573-1987.

Abstract | Links | BibTeX | Tags: Scalar, T/NT interface, Turbulence, Very-large-scale Motion

21.

Park, J; Zaki, T A

Sensitivity of high-speed boundary-layer stability to base-flow distortion Journal Article

In: Journal of Fluid Mechanics, vol. 859, pp. 476-515, 2019.

Links | BibTeX | Tags: Adjoint, Hypersonic, Instability, Sensitivity, Stability, Transition

22.

Mons, Vincent; Wang, Qi; Zaki, Tamer A

Kriging-enhanced ensemble variational data assimilation for scalar-source identification in turbulent environments Journal Article

In: Journal of Computational Physics, vol. 398, pp. 108856, 2019, ISSN: 0021-9991.

Abstract | Links | BibTeX | Tags: Channel, Data assimilation, Optimization, Scalar dispersion, Sensor placement, Source identification, Turbulence

23.

Wu, Zhao; Lee, Jin; Meneveau, Charles; Zaki, Tamer

Application of a self-organizing map to identify the turbulent-boundary-layer interface in a transitional flow Journal Article

In: Phys. Rev. Fluids, vol. 4, pp. 023902, 2019.

Links | BibTeX | Tags: Bypass, Machine Learning, Spots, T/NT interface, Transition, Turbulence

24.

Hameduddin, Ismail; Zaki, Tamer A

The mean conformation tensor in viscoelastic turbulence Journal Article

In: Journal of Fluid Mechanics, vol. 865, pp. 363–380, 2019.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

25.

Wang, Bofu; Mao, Xuerui; Zaki, Tamer A

Low-frequency selectivity in flat-plate boundary layer with elliptic leading edge Journal Article

In: Journal of Fluid Mechanics, vol. 866, pp. 239–262, 2019.

Links | BibTeX | Tags: Adjoint, Bypass, Optimization, Streaks, Transition

26.

You, Jiho; Zaki, Tamer A

Conditional statistics and flow structures in turbulent boundary layers buffeted by free-stream disturbances Journal Article

In: Journal of Fluid Mechanics, vol. 866, pp. 526–566, 2019.

Links | BibTeX | Tags: T/NT interface, Turbulence, Very-large-scale Motion

27.

Wang, Qi; Hasegawa, Yosuke; Zaki, Tamer A

Spatial reconstruction of steady scalar sources from remote measurements in turbulent flow Journal Article

In: Journal of Fluid Mechanics, vol. 870, pp. 316–352, 2019.

Links | BibTeX | Tags: Adjoint, Channel, Optimization, Scalar, Scalar dispersion

28.

Esteghamatian, Amir; Zaki, Tamer A

Dilute suspension of neutrally buoyant particles in viscoelastic turbulent channel flow Journal Article

In: Journal of Fluid Mechanics, vol. 875, pp. 286–320, 2019.

Links | BibTeX | Tags: Channel, Drag, Particles, Polymer, Viscoelastic

29.

Jahanbakhshi, Reza; Zaki, Tamer A

Nonlinearly most dangerous disturbance for high-speed boundary-layer transition Journal Article

In: Journal of Fluid Mechanics, vol. 876, pp. 87–121, 2019.

Links | BibTeX | Tags: Hypersonic, Optimization, Transition

30.

Wang, Mengze; Wang, Qi; Zaki, Tamer A

Discrete adjoint of fractional-step incompressible Navier-Stokes solver in curvilinear coordinates and application to data assimilation Journal Article

In: Journal of Computational Physics, vol. 396, pp. 427 - 450, 2019, ISSN: 0021-9991.

Abstract | Links | BibTeX | Tags: Data assimilation, Discrete adjoint, Fraction-step algorithm, Generalized coordinates, Navier-Stokes, Taylor-Couette flow

31.

Hameduddin, I; Gayme, D; Zaki, T A

Perturbative expansions of the conformation tensor in viscoelastic flows Journal Article

In: Journal of Fluid Mechanics, vol. 858, pp. 377-406, 2019.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

32.

Marxen, O; Zaki, T A

Turbulence in intermittent transitional boundary layers and in turbulence spots Journal Article

In: Journal of Fluid Mechanics, vol. 860, pp. 350-383, 2019.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Klebanoff, Streaks, Transition

33.

Ismail, U; Zaki, T A; Durbin, P A

Simulations of rib-roughened rough-to-smooth turbulent channel flows Journal Article

In: Journal of Fluid Mechanics, vol. 843, pp. 419-449, 2018.

Links | BibTeX | Tags: Channel, Roughness, Turbulence

34.

Ismail, U; Zaki, T A; Durbin, P A

The effect of cube-roughened walls on the response of rough-to-smooth (RTS) turbulent channel flows Journal Article

In: International Journal of Heat and Fluid Flow, vol. 72, pp. 174-185, 2018.

Links | BibTeX | Tags: Channel, Roughness, Turbulence

35.

Hameduddin, I; Zaki, T A; Gayme, D

Scaling of energy amplification in viscoelastic channel and Couette flow Journal Article

In: arXiv, vol. 1803.06880, 2018.

BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

36.

Haward, S J; Page, J; Zaki, T A; Shen, A Q

Publisher's Note: Poiseuille flow over a wavy surface [Phys. Rev. Fluids 2, 124102 (2017)] Journal Article

In: Physical Review fluids, vol. 3, no. 1, pp. 019901, 2018.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

37.

Haward, S J; Page, J; Zaki, T A; Shen, A Q

``Phase diagram'' for viscoelastic Poiseuille flow over a wavy surface Journal Article

In: Physics of Fluids, vol. 30, no. 11, pp. 113101, 2018.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

38.

Haward, S J; Page, J; Zaki, T A; Shen, A Q

Inertioelastic Poiseuille flow over a wavy surface Journal Article

In: Physical Review fluids, vol. 3, no. 9, pp. 091302, 2018.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

39.

Hameduddin, I; Meneveau, C; Zaki, T A; Gayme, D

Geometric decomposition of the conformation tensor in viscoelastic turbulence Journal Article

In: Journal of Fluid Mechanics, vol. 842, pp. 395-427, 2018.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

40.

Lee, J; Zaki, T A

Detection algorithm for turbulent interfaces and large-scale structures in intermittent flows Journal Article

In: Computers and Fluids, vol. 175, pp. 142-158, 2018.

Links | BibTeX | Tags: Bypass, Conditional Sampling, Freestream Turbulence, Klebanoff, Streaks, Transition

41.

Bose, R; Zaki, T A; Durbin, P A

Instability waves and transition in adverse-pressure-gradient boundary layers Journal Article

In: Physical Review fluids, vol. 3, no. 5, pp. 053904, 2018.

Links | BibTeX | Tags: Bypass, Instability, Klebanoff, Shear, Streaks, Tollmien-Schichting, Transition

42.

Haward, S J; Shen, A Q; Page, J; Zaki, T A

Poisseuille flow over a wavy surface Journal Article

In: Physical Review fluids, vol. 2, no. 124102, pp. 1-13, 2017.

Links | BibTeX | Tags: Channel, Polymer, Shear, Viscoelastic

43.

Lee, Jin; Sung, Hyung Jin; Zaki, Tamer A

Signature of large-scale motions on turbulent/non-turbulent interface in boundary layers Journal Article

In: Journal of Fluid Mechanics, vol. 819, pp. 165-187, 2017.

Links | BibTeX | Tags: T/NT interface, Turbulence, Very-large-scale Motion

44.

Biancofiore, Luca; Brandt, Luca; Zaki, Tamer

Streak instability in viscoelastic Couette flow Journal Article

In: Physical Review fluids, vol. 2, no. 043304, 2017.

Links | BibTeX | Tags: Couette, Polymer, Stability, Streaks, Transition, Viscoelastic

45.

Lee, S J; Zaki, T A

Simulations of natural transition in viscoelastic channel flow Journal Article

In: Journal of Fluid Mechanics, vol. 820, pp. 232–262, 2017.

Links | BibTeX | Tags: Channel, Drag, Polymer, Shear, Transition, Viscoelastic

46.

Mao, Xuerui; Zaki, Tamer A; Sherwin, Spencer J; Blackburn, Hugh

Transition induced by linear and nonlinear perturbation growth in flow past a blade Journal Article

In: Journal of Fluid Mechanics, vol. 820, pp. 604–632, 2017.

BibTeX | Tags: Compressor, Direct, Floquet, Inner, Instability, Klebanoff, Outer, Pressure Gradient, Separation, Stability, Tollmien-Schichting, Transition

47.

Nicolaou, Laura; Zaki, Tamer A

Characterization of aerosol Stokes number in $90^o$ bends and idealized extrathoracic airways Journal Article

In: Journal of Aerosol Science, vol. 102, pp. 105-127, 2016.

Links | BibTeX | Tags: Asthma, Bio flows, COPD, Deposition, Esophagus, Extrathoracic Airways, Fundoplication, Immersed Boundary

48.

Saha, Sandeep; Page, Jacob; Zaki, Tamer A

Disturbance amplification in boundary layers over thin wall films Journal Article

In: Physics of Fluids, vol. 28, no. 024108, pp. 1-22, 2016.

Links | BibTeX | Tags: Instability, Interface, Klebanoff, Non-modal, Streaks, Two-Fluid

49.

Page, Jacob; Zaki, Tamer A

Viscoelastic shear flow over a wavy surface Journal Article

In: Journal of Fluid Mechanics, vol. 801, pp. 392-429, 2016.

Links | BibTeX | Tags: Couette, Polymer, Roughness, Stability, Viscoelastic

50.

Hwang, Jinyul; Lee, Jin; Sung, Hyung Jin; Zaki, Tamer A

Inner-outer interactions of large-scale structures in turbulent channel flow Journal Article

In: J. Fluid Mechanics, vol. 790, pp. 128-157, 2016.

Links | BibTeX | Tags: Channel, Conditional Sampling, Turbulence, Very-large-scale Motion

145 entries « 1 of 3 »