THEORY OF WATER WAVES GENERATED BY A TIME-DEPENDENT BOUNDARY DISPLACEMENT.
CALIFORNIA UNIV BERKELEY HYDRAULIC ENGINEERING LAB
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The study of water waves generated by landslides in reservoirs and waves generated by submerged landslides in the ocean is carried out by assuming two distinct types of landslides a vertical landslide modeled by a box falling vertically and a horizontal landslide modeled by a wall moving horizontally. Theoretical solutions to two- and three-dimensional time-dependent boundary-motion problems are obtained using the linear theory of gravity surface waves and the two-dimensional solution is applied to these two models of landslides. Experimental data for the vertical landslide model are compared to the theoretical solution and are found to compare favorably for small values of the box width and velocity. The region of validity of this solution is also determined. A final comparison of this theory to prototype landslides is made for the Lituya Bay, Alaska landslide of 9 July 1958. Author
- Physical and Dynamic Oceanography
- Soil Mechanics