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- Tapan K. Sengupta, V. V. S. N. Vijay, Swagata Bhaumik
- J. Comput. Physics
- 2009

- Tapan K. Sengupta, S. K. Sircar, Anurag Dipankar
- J. Sci. Comput.
- 2006

High-accuracy schemes have been proposed here to solve computational acoustics 4 and DNS problems. This is made possible for spatial discretization by optimizing 5 explicit and compact differencing procedures that minimize numerical error in the 6 spectral plane. While zero-diffusion nine point explicit scheme has been proposed 7 for the interior,… (More)

- Tapan K. Sengupta, Vinoth-Kumar Lakshmanan, V. V. S. N. Vijay
- J. Comput. Physics
- 2009

Keywords: Combined compact difference scheme DRP property Uni-and bi-directional wave propagation Stommel Ocean model Navier–Stokes solution Lid-driven cavity problem Boundary layer a b s t r a c t A new compact scheme is presented for computing wave propagation problems and Navier–Stokes equation. A combined compact difference scheme is developed for… (More)

- Chidananda Das, Tapan K. Sengupta, S. Chattopadhyay, M. Setua, Nilangshu K. Das, Beera Saratchandra
- Acta Physiologiae Plantarum
- 2002

In mulberry (Morus alba L.) plants NaCl stress imposed through roots by irrigation during growth period decreased the net photosynthetic rate (NPR), physiological water use efficiency (pWUE), which ultimately reflected on the reduction of growth parameters and leaf yield. Foliar spray of kinetin and spermidine (both at 1 mM) on salinized plants reduced the… (More)

- By A. DIPANKAR, Tapan K. Sengupta, S. B. TALLA
- 2006

Vortex shedding behind a cylinder can be controlled by placing another small cylinder behind it, at low Reynolds numbers. This has been demonstrated experimentally by Strykowski & Sreenivasan (J. Fluid Mech. vol. 218, 1990, p. 74). These authors also provided preliminary numerical results, modelling the control cylinder by the innovative application of… (More)

- Tapan K. Sengupta, Anurag Dipankar, Pierre Sagaut
- J. Comput. Physics
- 2007

The propagation of a signal in a continuous medium and the associated evolution of error is of prime importance in many applications of applied physics. There have been many efforts in analyzing error dynamics, using method attributed to von Neumann [1,2], that is readily applied for linear equations and in quasilinearized form for non-linear equations. The… (More)

- Tapan K. Sengupta, G. Ganerwal, Anurag Dipankar
- J. Sci. Comput.
- 2004

- Tapan K. Sengupta, Anurag Dipankar
- J. Sci. Comput.
- 2004

A qualitative and quantitative study is made for choosing time advancement strategies for solving time dependent equations accurately. A single step, low order Euler time integration method is compared with Adams–Bashforth, a second order accurate time integration strategy for the solution of one dimensional wave equation. With the help of the exact… (More)

A detailed analysis has been performed for a heterogeneous photocatalytic Taylor vortex reactor that uses flow instability to recirculate fluid continually from the vicinity of the rotating inner cylindrical surface to the stationary outer cylindrical surface of an annulus. In the present research, a detailed time-accurate computation shows the different… (More)

- Anurag Dipankar, Tapan K. Sengupta
- J. Comput. Physics
- 2006