Implicit large eddy simulation of ship airwakes

Implicit large eddy simulations (ILES) of two different Royal Navy ships have been conducted as part of the UK Ship/Air Interface Frame-work project using a recently developed very high order accuracy numerical method. Time-accurate CFD data for fourteen flow angles was produced to incorporate into flight simulators for definition of safe helicopter operating limits (SHOLs). This paper discusses the flow phenomenology for the different wind directions and where possible reports on the validation of the ILES results for mean and fluctuating velocity components and spectra against experimental data.

[1]  Dimitris Drikakis,et al.  On the implicit large eddy simulations of homogeneous decaying turbulence , 2007, J. Comput. Phys..

[2]  M. Visbal,et al.  Compact Difference Scheme Applied to Simulation of Low-Sweep Delta Wing Flow. , 2005 .

[3]  Dimitris Drikakis,et al.  On entropy generation and dissipation of kinetic energy in high-resolution shock-capturing schemes , 2008, J. Comput. Phys..

[4]  L. Margolin,et al.  MPDATA: A Finite-Difference Solver for Geophysical Flows , 1998 .

[5]  D. Drikakis,et al.  Chemically Reacting Flows around a Double-cone, Including Ablation Effects , 2010 .

[6]  Feng Zhang,et al.  Numerical Simulation of Unsteady Flow over SFS 2 Ship Model , 2009 .

[7]  G. Syms.  Numerical Simulation of Frigate Airwakes , 2004 .

[8]  D. Youngs,et al.  Turbulent mixing in spherical implosions , 2008 .

[9]  A. Gosman,et al.  A comparative study of subgrid scale models in homogeneous isotropic turbulence , 1997 .

[10]  W. Rider,et al.  High-Resolution Methods for Incompressible and Low-Speed Flows , 2004 .

[11]  Dimitris Drikakis,et al.  Implicit large-eddy simulation of swept-wing flow using high-resolution methods , 2009 .

[12]  Kyu Hong Kim,et al.  Accurate, efficient and monotonic numerical methods for multi-dimensional compressible flows Part II: Multi-dimensional limiting process , 2005 .

[13]  Ryan Czerwiec,et al.  LHA Airwake Wind Tunnel and CFD Comparison with and without Bow Flap , 2004 .

[14]  M. Lesieur,et al.  New Trends in Large-Eddy Simulations of Turbulence , 1996 .

[15]  Gareth D. Padfield,et al.  Integrating CFD and piloted simulation to quantify ship-helicopter operating limits , 2006 .

[16]  Steven J. Zan.  Technical Comment on " Computational-Fluid- Dynamics Based Advanced Ship-Airwake Database for Helicopter Flight Simulation" , 2003 .

[17]  A. Robins,et al.  The flow around a surface-mounted cube in uniform and turbulent streams , 1977, Journal of Fluid Mechanics.

[18]  D. Drikakis.  Advances in turbulent flow computations using high-resolution methods , 2003 .

[19]  F. Grinstein,et al.  Large Eddy simulation of high-Reynolds-number free and wall-bounded flows , 2002 .

[20]  D. Youngs.  Application of MILES to Rayleigh-Taylor and Richtmyer Meshkov Mixing (Invited) , 2003 .

[21]  J. P. Boris,et al.  New insights into large eddy simulation , 1992 .

[22]  M. Krmar,et al.  Methods of radon measurement , 2006 .

[23]  Ieuan Owen.  Detached-Eddy Simulation of ship airwakes for piloted helicopter flight simulation , 2007 .

[24]  Monica A. Walker,et al.  UNSTEADY ANALYSIS OF THE AIR WAKE OVER THE LPD-17 , 2000 .

[25]  L. Margolin,et al.  Implicit Large Eddy Simulation: Computing Turbulent Fluid Dynamics , 2011 .

[26]  P. Sagaut.  Large Eddy Simulation for Incompressible Flows , 2001 .

[27]  Wagdi G. Habashi,et al.  Computational-Fluid-Dynamics Based Advanced Ship-Airwake Database for Helicopter Flight Simulators , 2002 .

[28]  S. A. Jordan.  A Large-Eddy Simulation Methodology in Generalized Curvilinear Coordinates , 1999 .

[29]  R. J. R. Williams,et al.  An improved reconstruction method for compressible flows with low Mach number features , 2008, J. Comput. Phys..

[30]  Neeraj Sinha,et al.  Ship Airwake Sensitivities To Modeling Parameters , 2005 .

[31]  Jinhee Jeong,et al.  On the identification of a vortex , 1995, Journal of Fluid Mechanics.

[32]  K. R. Reddy,et al.  Numerical simulation of ship airwake , 2000 .

[33]  D. Drikakis,et al.  Assessment of very high order of accuracy in implicit LES models , 2007 .

[34]  D. Drikakis,et al.  Large eddy simulation of compressible turbulence using high‐resolution methods , 2005 .

[35]  D. Drikakis,et al.  Assessment of Large-Eddy Simulation of Internal Separated Flow , 2009 .

[36]  P. Woodward,et al.  Three-dimensional simulation of a Richtmyer-Meshkov instability with a two-scale initial perturbation , 2002 .

[37]  C. Tropea,et al.  The Flow Around Surface-Mounted, Prismatic Obstacles Placed in a Fully Developed Channel Flow (Data Bank Contribution) , 1993 .

[38]  Susan Polsky,et al.  A Computational Study of Unsteady Ship Airwake , 2002 .

[39]  B. V. Leer,et al.  Towards the ultimate conservative difference scheme. IV. A new approach to numerical convection , 1977 .

[40]  Steven J. Ruuth,et al.  A New Class of Optimal High-Order Strong-Stability-Preserving Time Discretization Methods , 2002, SIAM J. Numer. Anal..

[41]  E. Toro.  Riemann Solvers and Numerical Methods for Fluid Dynamics , 1997 .

[42]  F. Grinstein,et al.  Recent Progress on MILES for High Reynolds Number Flows , 2002 .

[43]  Nikolaus A. Adams,et al.  An adaptive local deconvolution method for implicit LES , 2005, J. Comput. Phys..

[44]  Lyle N. Long,et al.  Computational Fluid Dynamics Simulations of Ship Airwake , 2005 .

[45]  W. H. Melbourne,et al.  Effects of free-stream turbulence on surface pressure fluctuations in a separation bubble , 1997, Journal of Fluid Mechanics.

[46]  Sinisa Krajnovic,et al.  Large eddy simulation of flows around ground vehicles and other bluff bodies , 2009, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[47]  L. Margolin,et al.  Large-eddy simulations of convective boundary layers using nonoscillatory differencing , 1999 .

[48]  D. Drikakis,et al.  The influence of initial conditions on turbulent mixing due to Richtmyer–Meshkov instability† , 2010, Journal of Fluid Mechanics.

[49]  Lyle N. Long,et al.  AIRWAKE SIMULATIONS ON AN LPD 17 SHIP , 2001 .

[50]  G. Volpe.  Performance of compressible flow codes at low Mach numbers , 1993 .

[51]  Ben Thornber,et al.  Implicit Large-Eddy Simulation of a Deep Cavity Using High-Resolution Methods , 2008 .

[52]  D. Drikakis,et al.  Large eddy simulation using high-resolution and high-order methods , 2009, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[53]  D. Youngs,et al.  Three-dimensional numerical simulation of turbulent mixing by Rayleigh-Taylor instability , 1991 .

[54]  Len G. Margolin,et al.  Implicit Turbulence Modeling for High Reynolds Number Flows , 2001 .

[55]  S. Dalziel,et al.  Self-similarity and internal structure of turbulence induced by Rayleigh–Taylor instability , 1999, Journal of Fluid Mechanics.

[56]  I. Bohachevsky,et al.  Finite difference method for numerical computation of discontinuous solutions of the equations of fluid dynamics , 1959 .

[57]  P. Woodward,et al.  Inertial range structures in decaying compressible turbulent flows , 1998 .