| abstract • the speaker |
Abstract Development of an efficient hydrodynamic and transport model for open channel flow offers several computational challenges for scientist and engineers. We revisit the traditional discretization procedures and then proceed to obtain integral conservation of mass, momentum and energy in a computational domain. The advantage in formulating the governing equations in vectorized template is discussed, vis-a-vis expressing them in primitive variable form. On briefly describing computational procedures of one-dimensional model; two and three-dimensional models are also discussed with an emphasis on (i) selecting the numerical scheme (ii) time step requirement (iii) boundary treatment (iv) treatment of nonlinearity and (v) turbulent modeling. Apart from these aspects, the basis of selection of a particular type of mathematical model to represent the field conditions has also been analyzed. The basic necessity of speeding up the simulation using parallelization technique is explained. A case study will be presented to illustrate the model result.
The Speaker Prof. Samir Kumar Das (Ph.D. in Applied Mathematics: Theoretical and Compuational Fluid Dynamics; 1988, IIT-KGP) is a professor at the International Institute of Information Technology (I2IT), Pune. After his Ph.D. and post-graduate diplomas in nonlinear mechanics and in ecology and environment, he worked briefly in ISI, Kolkata followed by a long stint at CWPRS, Pune. He later moved to Taiwan before coming back to Pune to join C-DAC and later International Institute of Information Technology (I2IT). His research interest is computational fluid dynamics. He has authored 35 publications in renowned journals and guided a couple of Ph.D. students. Prof. Das has also carried out several projects for Government of India. He is on editorial board of national and international journals and is regular referee for several journals.
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