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- R. MITTAL, S. BALACHANDAR
- 1996

number [4] or flows at early times after an impulsive start [5]. Experimental techniques have become very sophistiFlow over elliptic cylinders can be considered prototypical of flow over a range of bluff bodies since the geometry allows one to study cated in recent years but an extensive spatial and temporal the effect of both thickness and angle-of-attack… (More)

- R Mittalt, S Balachandar
- 1997

Unsteady flow past a circular cylinder at a Reynolds number of 300 has been simulated. The spanwise extent of the computational domain has been systematically varied from zero (2-D) to a large value of 12&, where 4 is the spanwise wavelength of the fundamental mode-B 3-D instability (Williamson, 1996). Simulations with intermediate spanwise extent of 4 and… (More)

- M Parmar, A Haselbacher, S Balachandar
- Philosophical transactions. Series A…
- 2008

The unsteady inviscid force on cylinders and spheres in subcritical compressible flow is investigated. In the limit of incompressible flow, the unsteady inviscid force on a cylinder or sphere is the so-called added-mass force that is proportional to the product of the mass displaced by the body and the instantaneous acceleration. In compressible flow, the… (More)

- Kyoungyoun Kim, Ronald J Adrian, S Balachandar, R Sureshkumar
- Physical review letters
- 2008

It has been known for over six decades that the dissolution of minute amounts of high molecular weight polymers in wall-bounded turbulent flows results in a dramatic reduction in turbulent skin friction by up to 70%. First principles simulations of turbulent flow of model polymer solutions can predict the drag reduction (DR) phenomenon. However, the… (More)

- S Balachandar, D A Yuen, D M Reuteler, G S Lauer
- Science
- 1995

Numerical simulations of three-dimensional convection with temperature-dependent viscosity and viscous heating at realistic Rayleigh numbers for Earth's mantle reveal that, in the strongly time-dependent regime, very intense localized heating takes place along the top portion of descending cold sheets and also at locations where the ascending plume heads… (More)

- Zhen Cheng, Xiao Yu, Tian-Jian Hsu, S. Balachandar
- Computers & Geosciences
- 2015

- Mariano I. Cantero, Marcelo H. García, S. Balachandar
- Computers & Geosciences
- 2008

- Xiao Yu, Tian-Jian Hsu, S. Balachandar
- Computers & Geosciences
- 2013

- Walling R. Cyre, S. Balachandar, Ani Thakar
- ICCS
- 1994