# Proceedings of the 2012 Summer Program

### I. FUNDAMENTALS OF TRANSITION

- Overview
- Dynamic mode decomposition of H-type transition to turbulence.

*T. Sayadi, J. W. Nichols, P. J. Schmid and M. R. Jovanovic* - Compressible boundary layer transition induced by isolated roughness elements.

*M. Bernardini, S. Pirozzoli, P. Orlandi and S. K. Lele* - Conditional sampling and statistical analysis of transitional flows.

*K. P. Nolan and T. A. Zaki* - Controller selection and placement in compressible turbulent flows.

*D. J. Bodony and M. Natarajan* - Dynamics of the roll and streak structure in transition and turbulence.

*B. F. Farrell, D. F. Gayme, P. J. Ioannou, B. K. Lieu and M. R. Jovanovic* - Analysis of transitional polymeric flows and elastic instabilities.

*Y. Dubief, V. E. Terrapon and J. Soria* - Analysis of drag reduction by polymers in a turbulent channel flow.

*B. K. Lieu and M. R. Jovanovic*

### II. LARGE EDDY SIMULATION

- Overview
- DNS and LES of separated flows at moderate Reynolds numbers.

*F. Cadieux, J. A. Domaradzki, T. Sayadi, S. Bose and F. Duchaine* - Off-wall boundary conditions for turbulent simulations from minimal flow units in transitional boundary layers.

*R. Garc´ia-Mayoral, B. Pierce and J. Wallace* - A dynamic regularized gradient model of the subgrid-scale scalar flux.

*G. Balarac, J. Le Sommer and A. Vollant* - Prediction of unsteady heat transfer from a cylinder in crossflow.

*S. T. Bose, B. C. Wang and M. Saeedi* - On the Euler rotation angle and axis of a subgrid-scale stress model.

*M. Saeedi, B.-C. Wang and S. T. Bose* - A parametrized non-equilibrium wall-model for large-eddy simulations.

*S. Hickel, E. Touber, J. Bodart and J. Larsson* - Large-eddy simulations of flow and heat transfer around a low-Mach number turbine blade.

*N. Maheu, V. Moureau, P. Domingo, F. Duchaine and G. Balarac* - Prediction of heat transfer in a turbine cascade with high levels of free-stream turbulence.

*G. Medic, J. Joo, S. K. Lele and O. P. Sharma* - Large eddy simulation of a wind turbine airfoil at high angle of attack.

*P. Venugopal, L. Cheung, G. Jothiprasad and S. K. Lele* - Particle methods: an efficient tool for direct numerical simulations of a high Schmidt number passive scalar in turbulent flow.

*J. B. Lagaert, G. Balarac, G.-H. Cottet and P. B´egou* - Simulating three-dimensional turbulence with SPH.

*S. Adami, X. Y. Hu and N. A. Adams*

### III. UNCERTAINTY QUANTIFICATION

- Overview
- Statistical inverse analysis and stochastic modeling of transition.

*O. Marxen, G. Serino, F. Pinna, P. Constantine, C. Gorle and G. Iaccarino* - Towards predictive simulation of wildfire spread using a reduced-cost Ensemble Kalman Filter based on Polynomial Chaos approximation.

*M.C. Rochoux, S. Ricci, D. Lucor, B. Cuenot, A. Trouv´e and J.-M. Bart* - Adaptive strategy in multiresolution framework for uncertainty quantification.

*R. Abgrall, P. M. Congedo, G. Geraci and G. Iaccarino* - Comparison of adaptive uncertainty quantification approaches for shock wave-dominated flows.

*D. Lucor, J. Witteveen, P. Constantine, D. Schiavazzi and G. Iaccarino* - Towards adjoint sensitivity analysis of statistics in turbulent flow simulation.

*P. J. Blonigan, R. Chen, Q. Wang and J. Larsson* - Robust optimization for windmill airfoil design under variable wind conditions.

*H. Tachikawa, D. Schiavazzi, T. Arima and G. Iaccarino* - Uncertainty quantification of low-speed fan noise.

*J. Christophe, M. Sanjose, S. Moreau, J.A.S. Witteveen and G. Iaccarino* - Uncertainty quantification of the far-field noise from a rod-airfoil configuration.

*J.-C. Giret, S. Moreau and J.-F. Boussuge*

### IV. REYNOLDS AVERAGED MODELING (RANS)

- Overview
- Pressure-strain and near-wall modeling for two-dimensional separated flows.

*C. L. Rumsey and E. Jeyapaul* - Towards an accurate and robust algebraic structure based model.

*R. Pecnik, J. P. O.'Sullivan, K. Panagiotou, S. Kassinos, K. Duraisamy and G. Iaccarino* - Capturing near wall effects when applying the Algebraic Structured Based Model.

*J. P. O'Sullivan, R. Pecnik and G. Iaccarino*

### V. MULTIPHASE FLOWS

- Overview
- A Runge–Kutta discontinuous Galerkin conservative level set method.

*Z. Jibben and M. Herrmann* - A new level set equation and its numerical assessments.

*A. Ovsyannikov, V. Sabel'nikov and M. Gorokhovski* - Application of stochastic models to primary air-blast atomization and cavitation.

*M. Gorokhovski, R. Zamansky, C. Le Ribault and T. Deng* - Two-layer mesoscopic modeling of bag break-up in turbulent secondary atomization.

*N. Rimbert, F. Doisneau, F. Laurent, D. Kah and M. Massot* - Direct Numerical Simulation of polydisperse evaporating sprays in 3D jet configuration using Euler-Euler and Euler-Lagrange formalisms.

*L. Fr´eret, O. Thomine, F. Laurent, J. R´eveillon and M. Massot* - On the Direct Numerical Simulation of moderate-Stokes-number turbulent particulate flows using Algebraic-Closure-Based and Kinetic- Based Moment Methods.

*A. Vi´e, E. Masi, O. Simonin and M. Massot* - Eulerian modeling and simulation of small scale trajectory crossing and coalescence for moderate-Stokes-number spray flows.

*F. Doisneau, O. Thomine, F. Laurent, A. Vi´e, J. Dupays and M. Massot* - A Lagrangian filtering approach for large-eddy simulation of particleladen turbulence.

*G. W. He, H. P. Ansari, G. D. Jin, D. Li and A. Mani*

### VI. COMBUSTION

- Overview
- Analysis of dynamic models for turbulent premixed combustion.

*D. Veynante, T. Schmitt, M. Boileau and V. Moureau* - Budget analysis and model-assessment of the flamelet-formulation: Application to a reacting jet-in-cross-flow.

*W. L. Chan, Y. C. See, M. Ihme, H. Kolla and J. H. Chen* - DNS of soot formation and growth in turbulent non-premixed flames: Damk¨ohler number effects and Lagrangian statistics of soot transport.

*A. Attili, F. Bisetti and M. E. Mueller* - Numerical modeling of the deposition of combustion-generated soot particles on cold wall surfaces.

*A. Trouv´e, B. Cuenot and E. Riber* - Hybrid transported-tabulated strategy to downsize detailed chemistry for Large Eddy Simulation.

*G. Ribert, P. Domingo and L. Vervisch* - Stabilization mechanisms of a supercritical hydrogen/oxygen flame.

*R. Mari, B. Cuenot, F. Duchaine and L. Selle* - A mixed acoustic-entropy combustion instability in a realistic gas turbine.

*E. Motheau, L. Selle, T. Poinsot and F. Nicoud* - DMD algorithms for experimental data processing in combustion.

*F. Richecoeur, L. Hakim, A. Renaud and L. Zimmer* - Experimental and numerical study of the influence of small geometrical modifications on the dynamics of swirling flows.

*J. Dombard, T. Poinsot, V. Moureau, N. Savary, G. Staffelbach and V. Bodoc*