Time-Accurate Inlet and Outlet Conditions for Unsteady Transonic Channel Flow

Nonlocal inlet and outlet transparent boundary conditions (TBCs) based on a linear model of the Euler equations outside the computational domain are studied. The conditions are tested for both stationary and nonstationary flow problems about an airfoil in the numerical wind tunnel. Comparison is made with characteristic-based boundary conditions (CBCFs)

[1]  Dietmar Kröner,et al.  ABSORBING BOUNDARY CONDITIONS FOR THE LINEARIZED EULER EQUATIONS IN 2-D , 1991 .

[2]  M. A. Golberg,et al.  Aerodynamic Interference Effects on Oscillating Airfoils with Controls in Ventilated Wind Tunnels , 1980 .

[3]  Ivan Sofronov,et al.  Artificial boundary conditions of absolute transparency for two- and three-dimensional external time-dependent scattering problems , 1998, European Journal of Applied Mathematics.

[4]  Ivan Sofronov,et al.  Non-reflecting Inflow and Outflow in a Wind Tunnel for Transonic Time-Accurate Simulation , 1998 .

[5]  Frank Thiele,et al.  The MEGAFLOW project , 2000 .

[6]  G. Britten,et al.  Numerical Experiments About the Uniqueness of Aeroelastic Solutions of Elastic Wings in Transonic Flow , 1999 .

[7]  R. C. Swanson,et al.  Efficient cell-vertex multigrid scheme for the three-dimensional Navier-Stokes equations , 1990 .

[8]  T. Hagstrom Radiation boundary conditions for the numerical simulation of waves , 1999, Acta Numerica.

[9]  C. Hirsch Numerical Computation of Internal and External Flows, Volume 2: Computational Methods for Inviscid and Viscous Flows , 1990 .

[10]  A. Jameson Time dependent calculations using multigrid, with applications to unsteady flows past airfoils and wings , 1991 .

[11]  K. Thompson Time-dependent boundary conditions for hyperbolic systems, II , 1990 .

[12]  C. Hirsch,et al.  Numerical Computation of Internal and External Flows. By C. HIRSCH. Wiley. Vol. 1, Fundamentals of Numerical Discretization. 1988. 515 pp. £60. Vol. 2, Computational Methods for Inviscid and Viscous Flows. 1990, 691 pp. £65. , 1991, Journal of Fluid Mechanics.

[13]  Bongzoo Sung,et al.  Unsteady adaptive wall models for wind-tunnel testing , 1995 .

[14]  Bertil Gustafsson,et al.  A down-stream boundary procedure for the euler equations , 1982 .

[15]  Bertil Gustafsson,et al.  Far-Field Boundary Conditions for Time-Dependent Hyperbolic Systems , 1988 .