Fluid flows around rectangular steps and boulders
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Date Issued
2024
Author(s)
Abstract
Fluid flows around obstacles constitute a classic problem in fluid dynamics. Steady two-dimensional fluid flows over an obstacle
can be solved using complex variable methods. In particular, the impact of free-surface flows hitting a vertical wall of finite extent is studied
here, for an inviscid and incompressible fluid; the flow is steady and irrotational. The flows are uniform far upstream and far downstram
with constant but different velocities and depths. The solution of such problems depends on the depth ratios and on the dimensionless
upstream and downstream Froude numbers. Various numerical solutions of the problem are presented. Relevant pressure and forces are also
addressed with regard to the “boulder” problem
can be solved using complex variable methods. In particular, the impact of free-surface flows hitting a vertical wall of finite extent is studied
here, for an inviscid and incompressible fluid; the flow is steady and irrotational. The flows are uniform far upstream and far downstram
with constant but different velocities and depths. The solution of such problems depends on the depth ratios and on the dimensionless
upstream and downstream Froude numbers. Various numerical solutions of the problem are presented. Relevant pressure and forces are also
addressed with regard to the “boulder” problem
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FLUID FLOWS AROUND RECTANGULAR STEPS AND BOULDERS.pdf
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