December 2011
Estimation of roadway capacity of eight-lane divided urban expressways under heterogeneous traffic through microscopic simulation models
The aim of this study is to develop a microscopic simulation model by considering eight-lane divided urban expressway. For this purpose, the partially access controlled Delhi - Gurgaon Expressway which handles about 220,000 vehicles/day has been considered. From the collected data, speed - flow equations of different vehicle types on eight-lane divided urban expressways have been developed using PARAMICS...
December 2011
Implicit total variation diminishing (TVD) and essentially non-oscillatory (ENO) algorithms applied to the euler equations in three-dimensions
In the present work, the Yee, Warming and Harten and the Yang schemes are implemented, on a finite volume context and using a structured spatial discretization, to solve the Euler equations in three-dimensions. The former is a TVD (Total Variation Diminishing) high resolution scheme, whereas the latter is a TVD or ENO (Essentially Non-Oscillatory) high resolution algorithm. All three schemes are flux...
December 2011
Unsteady flow through porous medium induced by periodically rotating half-filled horizontal concentric cylindrical annulus with heat transfer
This communication investigates the unsteady flow of viscous incompressible fluid through porous medium induced by periodically heated half filled concentric cylindrical annulus placed horizontally. The boundaries of the annulus are rotating periodically with different angular velocities in the same or opposite directions about their common axis. The governing equations are expressed in terms of stream...
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