Calculation

Movie of Calculated Results (Quick Time)

　Unsteady transonic shock/vortex interactions around cylinder

　　　　Uniform Mach number　0.90

　　　　　　　　Instantaneous Mach number contour Mach0.90.mov

　　　　　　　　Instantaneous vorticity contours　　　　Vor0.90.mov

　　　　Uniform Mach number　0.98

　　　　　　　　Instantaneous Mach number contour Mach0.98.mov

　　　　　　　　Instantaneous vorticity contours　　　　Vor0.98.mov

　Unsteady transonic shock/vortex interactions around NACA0012 at high angle of attack(uniform Mach number 0.80)

　　　　α=12.5゜

　　　　　　　　Instantaneous Mach number contours　　Mach12.5.mov

　　　　　　　　Instantaneous vorticity contours　　　　Vor12.5.mov

　　　　α=15.0゜

　　　　　　　　Instantaneous Mach number contours Mach15.mov

　　　　　　　　Instantaneous vorticity contours　　　　Vor15.mov

　　　　α=17.5゜

　　　　　　　　Instantaneous Mach number contours Mach17.5.mov

　　　　　　　　Instantaneous vorticity contours　　　　Vor17.5.mov

　　　　α=20.0゜

　　　　　　　　Instantaneous Mach number contours Mach20.mov

　　　　　　　　Instantaneous vorticity contours　　　　Vor20.mov

References

S.Yamamoto, H.Daiguji, and K.Ishizaka, A Fourth-Order MUSCL Finite-Difference Scheme for Solving the Unsteady Compressible Euler Equations, Trans. JSME, Series B, Vol.59, No.557, 1993, pp.43-48(in Japanese).

S. Yamamoto and H. Daiguji, Higher-Order-Accurate Upwind Schemes for Solving the Compressible Euler and Navier-Stokes Equations, Computers & Fluids, 22-2/3(1993), 259-270.

S.Yamamoto, A. Takahashi, and H.Daiguji, Higher-Order Numerical Simulation of Unsteady Shock/Vortex Interactions, 25th AIAA Fluid Dynamics Conference, AIAA Paper 94-2305, 1994.

S. Yamamoto, Shock-Vortex Capturing Method for Strongly Unsteady Flow Problems, Proc. 15th Int. Conf. on Numerical Methods in Fluid Dynamics, Lecture Notes in Physics, 490, 1996, 590-595, Springer.