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Τίτλος: Fluid flows around obstacles and boulders
Συγγραφείς: Vacelet, Eric 
Christodoulides, Paul 
Dias, Frederic 
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Λέξεις-κλειδιά: Fluid flows;Flow hitting
Ημερομηνία Έκδοσης: Οκτ-2022
Πηγή: Symposium in honor of Prof. F. Dias’ 60th birthday, 2022, 27-29 October, Loughborough, U.K.
Conference: Symposium in honor of Prof. F. Dias’ 60th birthday 
Περίληψη: Fluid flows around obstacles constitute a classic problem in fluid dynamics. Such obstacles may be convex-shaped protrusions of the bottom of some flat rigid surface, over which some fluid flows. Steady two-dimensional fluid flows over an obstacle can be solved using complex variable methods. In particular, we study the impact of a flow hitting a vertical wall of finite extent. The fluid overtops the finite vertical wall as shown in Figure 1(a). Here we consider free-surface flows past a semi-infinite step at the bottom of a channel for an inviscid and incompressible fluid; the flow is steady and irrotational. The flows is uniform far upstream with constant velocity and constant depth, while far downstream the flow is also uniform with a different constant velocity and constant depth. The solution of such problems depends on the depth ratios and on the dimensionless upstream and downstream Froude numbers. We will present the numerical procedure with various solutions of the problem, including limiting flows. Relevant pressure and forces will be also addressed with the discussion touching the “boulder” problem.
URI: https://hdl.handle.net/20.500.14279/27366
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Conference Papers
Affiliation: Cyprus University of Technology 
ENS Paris-Saclay 
Publication Type: Peer Reviewed
Εμφανίζεται στις συλλογές:Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation

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