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A. Lohrasbi¹, M.D. Pirooz² and A. Lavaei¹

¹Department of Civil Engineering, College of Engineering, Boroujerd Branch, Islamic Azad University, Iran
²School of Civil Engineering, College of Engineering, University of Tehran, Iran

doi:10.4203/ccp.108.268

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A. Lohrasbi, M.D. Pirooz, A. Lavaei, "Navier Stokes Model of Flow over a Ripple Bed using an Arbitrary Lagrangian Eulerian Approach with a Mapping Technique", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 268, 2015. doi:10.4203/ccp.108.268

Keywords: ripple bed, Navier-Stokes equations, mapping, arbitrary Lagrangian Eulerian.

Summary

This paper is concerned with flow over a ripple bed considering unsteady, incompressible viscous flow with a free surface. The method solves the two dimensional Navier-Stokes equations for conservation of momentum, continuity equation, and full nonlinear kinematic free-surface equation for Newtonian fluids, as the governing equations in a vertical plan. A mapping was developed to trace the deformed free surface by transferring the governing equations from the physical domain to a computational domain. Finally a numerical scheme is developed using finite element modelling technique to predict the flow over ripples with using Arbitrary Lagrangian Eulerian algorithm. The results compared with other researches and show the good result.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 268 Navier Stokes Model of Flow over a Ripple Bed using an Arbitrary Lagrangian Eulerian Approach with a Mapping Technique A. Lohrasbi¹, M.D. Pirooz² and A. Lavaei¹ ¹Department of Civil Engineering, College of Engineering, Boroujerd Branch, Islamic Azad University, Iran ²School of Civil Engineering, College of Engineering, University of Tehran, Iran doi:10.4203/ccp.108.268 purchase the full-text of this paper Full Bibliographic Reference for this paper A. Lohrasbi, M.D. Pirooz, A. Lavaei, "Navier Stokes Model of Flow over a Ripple Bed using an Arbitrary Lagrangian Eulerian Approach with a Mapping Technique", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 268, 2015. doi:10.4203/ccp.108.268 Keywords: ripple bed, Navier-Stokes equations, mapping, arbitrary Lagrangian Eulerian. Summary This paper is concerned with flow over a ripple bed considering unsteady, incompressible viscous flow with a free surface. The method solves the two dimensional Navier-Stokes equations for conservation of momentum, continuity equation, and full nonlinear kinematic free-surface equation for Newtonian fluids, as the governing equations in a vertical plan. A mapping was developed to trace the deformed free surface by transferring the governing equations from the physical domain to a computational domain. Finally a numerical scheme is developed using finite element modelling technique to predict the flow over ripples with using Arbitrary Lagrangian Eulerian algorithm. The results compared with other researches and show the good result. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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