Numerical Simulation of Flow Past a Square Cylinder - Characteristics and Results
Explore a study conducted on flow past a square cylinder by Harsharaj B. Parmar in December 2019. The study covers the Finite Difference algorithm, second-order spatial discretization, time integration schemes, velocity-pressure coupling methods, and immersed boundary techniques. Results include analysis at various Reynolds numbers and vortex shedding phenomena. References to related works provided.
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Presentation Transcript
Flow past a square cylinder Harsharaj B Parmar December, 2019
Characteristics Finite Difference algorithm using primitive variables with second order spatial discretization. Second order time integration scheme: C-N and A-B hybrid. Projection method to treat the velocity pressure coupling. Immersed boundary method. Ghost noding at the top and bottom boundaries (significant effect on computational time).
Results Stokes Re=10 Re=100
Results Uniform inlet, Re=1000 at 12,16 and 22 sec
References [1] J. J. Martinez and P. T. Esperana. A Chebyshev collocation spectral method for numerical simulation of incompressible flow problems. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 29(3), 2007, 317-328. [2] Piyush K. Kundu, Ira M. Cohen. Fluid Mechanics. Academic Press; 6 edition (June 19, 2015). [3] M. Cheng, D. S. Whyte, J. Lou. Numerical simulation of flow around a square cylinder in uniform-shear flow. Journal of Fluids and Structures, Volume 23, Issue 2, February 2007, Pages 207-226 Thank You
