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Hoffmans, G.J.C.M. (author)
In the Netherlands hydraulic engineering structures are not only designed, but are also managed and maintained (M&M). In the nineteen-nineties in the United States during periods of high water scores of bridges collapsed, because American law forbids the use of bed protection around bridge piers and moreover, no maintenance plans were available....
report 2006
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Mosselman, E. (author), Akkerman, G.J. (author), Verheij, H.J. (author), Hoffmans, G.J.C.M. (author), Jongeling, T.H.G. (author), Petit, H.A.H. (author)
report 2000
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Akkerman, G.J. (author), Verheij, H.J. (author)
report 1998
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Boot, G. (author)
report 1998
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Akkerman, G.J. (author), Verheij, H.J. (author)
report 1998
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Verwey, A. (author), Agtersloot, R.C. (author)
report 1998
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Uittenbogaard, R.E. (author), Hoffmans, G.J.C.M. (author), Akkermans, R.J. (author)
report 1998
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Kester, J.A.T.M. van (author), Uittenbogaard, R.E. (author), Dingemans, M.W. (author)
report 1996
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Rodi, W. (author), Bonnin, J.C. (author), Buchal, T. (author)
This document contains the calculation results for 5 test cases and the description of calculation methods submitted to the ERCOFTAC Workshop on Data Bases and Testing of Calculation Methods for Turbulent Flows held in Karlsruhe from April 3 to 7, 1995. The workshop was an outcome and marked the end of the research project "Data Validation and...
report 1995
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Uittenbogaard, R.E. (author), Imberger, J. (author)
report 1993
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Uittenbogaard, R.E. (author)
report 1993
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Hoffmans, G.J.C.M. (author)
Scour is the lowering of the sea or river-bed as a result of non-equilibrium sediment transport conditions and can be divided into several categories (Breusers and Raudkivi, 1991). Local scour, which may occur at the base of a structure because of the affected flow pattern, can severely endanger the stability of this structure. Many varieties of...
report 1993
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Bernard, R.S. (author), Schneider, M.L. (author)
Without some correction for the interaction between lateral curvature and vertically nonuniform velocity, depth-averaged numerical models cannot predict the gradual migration of high velocity toward the outside of channel bends. Conventional depth-averaging does not account for the curvature-induced secondary flow that gives rise to the...
report 1992
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Lehfeldt, R. (author)
The density distribution within a fluid is of great importance for flow and transport phenomena in geophysical computational fluid dynamics. All turbulent exchange processes are influenced by buoyancy effects and must be adequately considered in numerical models. Parameterizations of the vertical eddy viscosity and eddy diffusivity are presented...
report 1991
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Okayasu, A. (author)
The characteristic motion of water under breaking waves and the turbulence structure in the surf zone were investigated through detailed two-dimensional velocity measurements in a wave flume. Significant difference was found between the breaking processes in the outer and inner regions of the surf zone. The velocity field in each region consists...
report 1989
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Mierlo, M.C.L.M. van (author), Ruiter, J.C.C. de (author)
report 1988
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Pietrzak, J. (author), Kranenburg, C. (author), Abraham, G. (author)
report 1988
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Flokstra, C. (author)
report 1988
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Abraham, G. (author)
report 1986
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Flokstra, C. (author)
report 1986
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