Searched for: subject%3A%22shear%255C+stress%22
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Shields, A. (author)
Translation of the Ph.D. thesis of A. Shields "Anwendung der Aehnlichkeitsmechanik und der Turbulenzforschung auf die Geschiebebewegung".
report 1936
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Shields, A. (author)
Ph.D thesis of Shields, original version in German. This document is the basis of all modern sediment transport formulae, and develops the concept of bed shear stress.
report 1936
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Bakker, M.J. (author)
report 1960
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Bijker, E.W. (author)
Due to the increased velocity vector in the case of current combined with waves the bottom shear stress in the direction of the current will increase. This increase has been derived and the derivation has been checked by measurements.
report 1965
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Werf, A. van der (author)
report 1966
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Bijker, E.W. (author)
11th Conference on Coastal Engineering in London 1968, the author presented a method for computing the littoral drift starting from the longshore current velocity as this is generated by the waves and with the assumption that the material is stirred up by the waves. In this paper measurements in a model basin are described by which the procedure...
report 1971
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Rigter, B.P. (author)
report 1971
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Hooke, R.L.B. (author)
A one-meter wide, meandering flume with movable sand bed was utilized in these experiments. Uniform flow was established at discharges of 20, 35, and 50 l/sec. Velocities near the bed, the distribution of sediment in transport, bed geometry, and strength of secondary flow were determined at each discharge . Bed shear stress was assumed to be...
report 1974
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Delvigne, G.A.L. (author)
report 1974
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Van-Den-Berg, B. (author), Elsenaar, A. (author), Lindhout, J.P.F. (author), Wesseling, P. (author)
journal article 1975
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Wanhill, R.J.H. (author), Schra, L. (author)
The effects of flat to slant fracture transitions on flight simulation fatigue crack propagation in specimens of 7O5O aluminium alloy forgings are discussed. For specimens containing flat, shearlipped, or full slant fractures at similar crack lengths the crack resistance (R curve) approach appears to provide an explanation for differences in the...
report 1976
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Wiggenraad, J.F.M. (author)
The influence of bending-torsional coupling on the buckling load of general orthotropic, midplane symmetric and elastic plates has been studied. First this effect has been analysed for the case of infinitely long plate strips, resulting in approximate analytical solutions, which can be presented graphically for the entire range of the elastic...
report 1977
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De Vriend, H.J. (author)
The relationship between streamline curvature and bed resistance in shallow water flow with little side constraint, as derived in 1970 by H.J. Schoemaker, is reconsidered. Schoemaker concluded that the bed resistance causes the curvature of a free streamline to grow exponentially with the distance along this streamline, thus giving rise to a...
report 1979
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Van Kruiningen, P. (author)
Hoe evenwichtsverlies bij golfoverslag ontstaat en welke krachten daarbij een rol spelen is onduidelijk. In dit rapport is onderzocht hoe groot de wrijvingskrachten op het binnentalud van een dijk zijn ten gevolge van het overslaande water. Omdat dit probleem niet toegankelijk is voor berekening, zijn een aantal proeven gedaan. Hiertoe is een...
master thesis 1979
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Booij, R. (author)
In this investigation the reproduction of tidal flow in channels of estuaries by means of several simple mathematical models is considered. Attention is mainly paid to velocity and shear stress profiles and to hysteresis effects of the shear stresses with respect to the surface velocity. Only one-dimensional models obtained by neglect of...
report 1981
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Katsui, H. (author)
The probabilistic design method of a cover layer of pipe line under the horizontal bottom is described. By assuming that the water velocity at the bottom is Rayleigh distributed, probability of bottom shear stress was derived. With a combination of the probability function of bottom shear and a simple sediment transport formula given by Madsen...
report 1982
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Chen, Y.H. (author), Cotton, G.K. (author)
Flexible linings provide a means of stabilizing roadside channels. Flexible linings are able to conform to changes in channel shape while maintaining the overall lining integrity. Permanent flexible lining such as riprap, gravel, or vegetation reinforced with synthetic mat are suitable for hydraulic conditions similar to those requiring rigid...
report 1988
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Berendsen, E. (author)
Benedenstrooms van uitstroomkonstrukties wordt het stroombeeld bij stromende afvoer gekenmerkt door drukfluctuaties, wervels en neren. Hierdoor ontstaat nogal eens schade aan de uit stortstenen bestaande bodembescherming. In het geval van een eenparige stroming is het begin van bewegen goed te beschrijven d.m.v. het schuifspanningskriterium van...
master thesis 1988
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Hähne, K. (author)
The effect of roots of grass and other vegetation on the strength of a clay and sand slope, as used in dikes and revetments. Focus on shear stress.
report 1991
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Talmon, A.M. (author)
Flow equations for application in river bends are derived. Coordinate transformations are achieved by tensor calculus. The momentum equations are formulated in a cylindrical coordinate system and in a cylindrical bed-following coordinate system. The depth-averaged momentum equations in a cylindrical bed-following coordinate system are derived....
report 1992
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