# Proceedings of the 2010 Summer Program

### I. UNCERTAINTY QUANTIFICATION

- Overview
- A surrogate accelerated Bayesian inverse analysis of the HyShot II supersonic combustion data.

*P. G. Constantine, A. Doostan, Q.Wang and G. Iaccarino* - Uncertainty analysis for shock-bubble interaction.

*K. K. So, T. Chantrasmi, X. Y. Hu, J. A. S. Witteveen, C. Stemmer, G. Iaccarino and N. A. Adams* - Robust simulation of nonclassical gas-dynamics phenomena.

*P. M. Congedo, P. Colonna, C. Corre, J. Witteveen and G. Iaccarino* - Quantification of structural uncertainties in the k-w turbulence model.

*Q. Wang and E. A. Dow*

### II. TURBULENT BOUNDARY LAYERS

- Overview
- Turbulent boundary layer structure identification via POD.

*J. R. Baltzer, R. J. Adrian and X. Wu* - Flow topology and non-local geometry of structures in a flat-plate turbulent boundary layer.

*I. Bermejo-Moreno, C. Atkinson, S. Chumakov, J. Soria and X. Wu* - Boundary layer turbulence in transitional and developed states.

*J. M. Wallace, G. I. Park, X. Wu and P. Moin* - Coherent vorticity extraction in turbulent boundary layers using orthogonal wavelets.

*G. Khujadze, R. Nguyen van yen, K. Schneider, M. Oberlack and M. Farge* - Fundamental physical processes associated with bypass transition.

*J. H. Watmuff, D. A. Pook, T. Sayadi and X. Wu* - Optimal localized control of transitional channel flow.

*R. Moarref, B. K. Lieu and M. R. Jovanovic* - Modeling roughness effects in turbulent boundary layers by elliptic relaxation.

*J. George, A. De Simone, G. Iaccarino and J. Jimenez* - Investigating turbulence in wind flow over complex terrain.

*J. P. O'Sullivan, R. Pecnik and G. Iaccarino* - Large-eddy simulation of shock/boundary-layer interaction.

*A. Hadjadj, J. Larsson, B. E. Morgan, J. W. Nichols and S. K. Lele* - Analysis of unsteady effects in shock/boundary layer interactions.

*S. Pirozzoli, J. Larsson, J. W. Nichols, M. Bernardini, B. E. Morgan and S. K. Lele*

### III. LARGE-EDDY SIMULATION

- Overview
- Towards verification of sliding mesh algorithms for complex applications using MMS.

*S. P. Domino* - A dynamic eddy-viscosity model based on the invariants of the rate-of-strain.

*R. W. C. P. Verstappen, S. T. Bose, J. Lee, H. Choi and P. Moin* - A subgrid-scale model based on singular values for LES in complex geometries.

*H. Baya Toda, O. Cabrit, G. Balarac, S. Bose, J. Lee, H. Choi and F. Nicoud* - Grid-independent large-eddy simulation of compressible turbulent flows using explicit filtering.

*D. You, S. T. Bose and P. Moin*

### IV. ACOUSTICS

- Overview
- Uncertainty quantification for the trailing-edge noise of a controlled-diffusion airfoil.

*J. Christophe, S. Moreau, C. W. Hamman, J. A. S. Witteveen, and G. Iaccarino* - Understanding the role of temperature in free shear flows via modification of the dynamics of the large scales.

*D. J. Bodony*

### V. COMBUSTION

- Overview
- Coupling LES, radiation and structure in gas turbine simulations.

*J. Amaya, E. Collado, B. Cuenot and T. Poinsot* - Sensitivity of flame transfer functions of laminar flames.

*F. Duchaine and T. Poinsot* - Azimuthal instabilities in annular combustion chambers.

*P. Wolf, G. Staffelbach, R. Balakrishnan, A. Roux and T. Poinsot* - Modeling of the wrinkling of premixed turbulent flames in the thin reaction zones regime for large eddy simulation.

*O. Chatakonda, E. R. Hawkes, M. J. Brear, J. H. Chen, E. Knudsen and H. Pitsch* - Lewis number and curvature effects on sound generation by premixed flame annihilation.

*M. Talei, M. J. Brear and E. R. Hawkes* - DNS analysis of a Re = 40,000 swirl burner.

*V. Moureau, P. Domingo, L. Vervisch and D. Veynante*

### VI. MULTIPHASE FLOWS

- Overview
- Multi-scale modeling of compressible multi-fluid flows with conservative interface method.

*X. Y. Hu, N. A. Adams, M. Herrmann and G. Iaccarino* - Methods for multiphase flows with high density ratio.

*O. Desjardins and V. Moureau* - Direct numerical simulation of dense particle-laden flows using a conservative immersed boundary technique.

*P. Pepiot and O. Desjardins* - A surface tension sub-grid model for phase interface dynamics.

*M. Herrmann* - A multi-Gaussian quadrature method of moments for gas-particle flows in a LES framework.

*C. Chalons, R. O. Fox and M. Massot* - Robust numerical schemes for Eulerian spray DNS and LES in two-phase turbulent flows.

*M. Boileau, C. Chalons, F. Laurent, S. de Chaisemartin and M. Massot* - On the mesoscopic Eulerian formalism for the simulation of non-isothermal dilute turbulent two-phase flows.

*J. Dombard and L. Selle* - On the role of preferential segregation in flame dynamics in polydisperse evaporating sprays.

*L. Freret, O. Thomine, J. Reveillon, S. de Chaisemartin, F. Laurent and M. Massot*

### VII. HYPERSONICS

- Overview
- Numerical study of turbulence over a receding wall by controlled and thermal ablation.

*R. Crocker and Y. Dubief* - Hypersonic flows with discrete oblique surface roughness and their stability properties.

*G. Groskopf, M. J. Kloker, K. A. Stephani, O. Marxen and G. Iaccarino* - Development of an integrated methodology for the post-flight analysis of the transition payload on the EXPERT mission.

*F. Pinna, K. Bensassi, P. Rambaud, O. Chazot, A. Lani and O. Marxen* - Toward the validation of thermochemical models with EAST shock tube radiation measurements.

*K. Miki, M. Panesi, E. Prudencio and S. Prudhomme* - Rovibrational internal energy excitation and dissociation of nitrogen in hypersonic flows.

*M. Panesi, T. E. Magin, A. Munafo, A. Bourdon, R. Jaffe and D. W. Schwenke*

### VIII. SOLAR PHYSICS

- Overview
- Problems of astrophysical turbulent convection: a simple model of the Evershed effect.

*F. H. Busse* - LES of turbulent convection in solar-type stars and formation of largescale magnetic structures.

*I. Rogachevskii, N. Kleeorin, I. N. Kitiashvili, A. G. Kosovichev, A. A. Wray and N. N. Mansour* - Turbulent three-dimensional MHD dynamo model in spherical shells: Regular oscillations of the dipolar field.

*R. D. Simitev, F. H. Busse and A. G. Kosovichev* - Problems of astrophysical turbulent convection: thermal convection in a layer without boundaries.

*R. D. Simitev and F. H. Busse* - Integrated exploration of turbulent cross-helicity effect: theory, observation, modeling and numerical simulations of the solar convection zone.

*N. Yokoi, G. Balarac, I. N. Kitiashvili, N. Kleeorin, A. G. Kosovichev, I. Rogachevskii and R. D. Simitev* - Modeling of the subgrid-scale term of the filtered magnetic field transport equation.

*G. Balarac, A. G. Kosovichev, O. Brugiere, A. Wray and N. Mansour* - Modeling of turbulent MHD processes on the Sun.

*I. N. Kitiashvili, A. G. Kosovichev, N. N. Mansour and A. A. Wray* - Modeling of generation, propagation, and scattering of acoustic waves in the turbulent convection zone of the Sun.

*K. V. Parchevsky and A. G. Kosovichev* - MHD simulations of flows around rotating and non-rotating axisymmetric magnetic flux concentrations.

*T. Hartlep, F. H. Busse, N. E. Hurlburt and A. G. Kosovichev*