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Author: KENNETH N. GRANTHEM Publisher: ISBN: Category : Languages : en Pages : 34
Book Description
The investigtion was conducted primarily to determine the effect of side slope angle and structure porosity on wave run-up, and to investigate the effect of wave steepness (H/L) and relative depth (d/L). The experimental equipment consisted of a glass-walled wave channel, 60-ft long, with a wave generator at 1 end and a model structure at the other end. The permeable structure was assembled so as to prevent natural equilibrium condition on the side slope for the full range of angles investigated (15 to 90 deg). Results of tests indicate that structure porosity has a major effect upon wave run-up; the critical point of slope angle appears to be about 30 deg. Any variation from this point will probably decrease wave run-up, other things being equal. For increasing values of H/L 0.03 there is an increase in wave run-up, and for decreasing values of d/L there is an increase in wave run-up.
Author: KENNETH N. GRANTHEM Publisher: ISBN: Category : Languages : en Pages : 34
Book Description
The investigtion was conducted primarily to determine the effect of side slope angle and structure porosity on wave run-up, and to investigate the effect of wave steepness (H/L) and relative depth (d/L). The experimental equipment consisted of a glass-walled wave channel, 60-ft long, with a wave generator at 1 end and a model structure at the other end. The permeable structure was assembled so as to prevent natural equilibrium condition on the side slope for the full range of angles investigated (15 to 90 deg). Results of tests indicate that structure porosity has a major effect upon wave run-up; the critical point of slope angle appears to be about 30 deg. Any variation from this point will probably decrease wave run-up, other things being equal. For increasing values of H/L 0.03 there is an increase in wave run-up, and for decreasing values of d/L there is an increase in wave run-up.
Author: Philip N. Stoa Publisher: ISBN: Category : Breakwaters Languages : en Pages : 140
Book Description
Example problems and methods of data analysis, together with general observations, are given. Smooth-slope runup results for both breaking and nonbreaking waves are presented in a set of curves similar to but revised from those in the Shore Protection Manual (SPM) (U.S. Army, Corps of Engineerings, Coastal Engineering Research Center, 1977). The curves are for structure slopes fronted by horizontal and 1 on 10 bottom slopes. The range of values of d sub s/H' sub o was extended to d sub s/H' sub o = 8; relative depth (d sub s/H' sub o) is important even for d sub s/H' sub o> 3 for waves which do not break on the structure slope. Rough-slope results are presented in similar curves if sufficient data were available. Otherwise, results are given as values of r, which is the ratio of rough-slope runup to smooth-slope runup. Scale-effect in runup is discussed.
Author: M. C. Shen Publisher: ISBN: Category : Ocean waves Languages : en Pages : 84
Book Description
The motion of water on a uniformly sloping beach, just after a bore reaches the shore, is studied. The shllow-water equations are used to fomulate a singular hyperbolic problem, which is solved by the help of RIEMANN'S Method and of the trutural theory of quasilinear hyperbolic equations developed in gas dynmics. The shore line is found to advance suddenly with non-zero velocity and then to move up and down the beach with constant, negative acceleration. The solution s shown to contain limit lines indiating a rather unexpeted, secondary bore in the back-wsh. (Author).
Author: Philip N. Stoa Publisher: ISBN: Category : Breakwaters Languages : en Pages : 42
Book Description
Results of previous tests of monochromatic wave runup on smooth structure slopes were reanalyzed. The runup results for both breaking and nonbreaking waves are presented in a set of curves similar to but revised from those in the Shore Protection Manual (SPM) (U.S. Army, Corps of Engineers, Coastal Engineering Research Center, 1977). The curves are for structure slopes fronted by horizontal and 1 on 10 bottom slopes. A flow chart is given to assist in choosing the proper figure and in interpreting the results when applied to untested bottom slopes (i.e., bottom slopes flatter than 1 on 10). Also given are example problems and a curve for scale-effect corrections.
Author: Philip L. F. Liu Publisher: World Scientific Publishing Company Incorporated ISBN: 9789810218249 Category : Technology & Engineering Languages : en Pages : 315
Book Description
Most of the Earth's surface is covered by water. Many aspects of our everyday lives and activities may be affected by water waves in some way. Sometimes, the waves can cause disaster. One of the examples was the tsunami that occurred in the Indian Ocean on 26 December 2004. This indicates how important it is for us to fully understand water waves, in particular the very large ones. One way to do so is to perform numerical simulation based on the nonlinear theory. Considerable research advances have been made in this area over the past decade by developing various numerical methods and applying them to emerging problems: however, until now there has been no comprehensive book to reflect these advances. This unique volume aims to bridge this gap.
Author: KENNETH N. GRANTHEM
Author: KENNETH N. GRANTHEM
Author: Kenneth N. Grantham
Author: U.S. Army Engineer Waterways Experiment Station
Author: Philip N. Stoa
Author: M. C. Shen
Author: Philip N. Stoa
Author: John Ahrens
Author: U.S. Army Engineer Waterways Experiment Station
Author: Osvald J. Sibul
Author: Philip L. F. Liu