A Method for Estimating Heights of Water Waves Generated by Underwater Cratering Explosions PDF Download

Author: W. J. Garcia
Publisher:
ISBN:
Category : Nuclear excavation
Languages : en
Pages : 16

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Author: Bernard Le Mehaute
Publisher: World Scientific
ISBN: 981450114X
Category : Technology & Engineering
Languages : en
Pages : 389

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Book Description
This is the first book on explosion-generated water waves. It presents the theoretical foundations and experimental results of the generation and propagation of impulsively generated waves resulting from underwater explosions. Many of the theories and concepts presented herein are applicable to other types of water waves, in particular, tsunamis and waves generated by the fall of a meteorite. Linear and nonlinear theories, as well as experimental calibrations, are presented for cases of deep and shallow water explosions. Propagation of transient waves on dissipative, nonuniform bathymetries together with laboratory simulations are analyzed and discussed.

Author: W. J. Garcia
Publisher:
ISBN:
Category : Nuclear excavation
Languages : en
Pages : 16

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Book Description
In the course of developing the capability of predicting the characteristics of water waves generated by explosions detonated in shallow water beneath the ocean floor, the pertinent data from past experiments were analysed using dimensional analysis as a framework. Data were examined from one series of high explosive cratering experiments detonated beneath the floor in shallow water, and from two series of high explosive experiments and one nuclear explosive experiment detonated above the floor in shallow water. The data indicate that the maximum radius of the water column produced by the explosion is proportional to the cube root of the ratio of explosive yield to ambient pressure at the point of detonation. Further, the data show that the maximum radius of the column of water is proportional to the square root of the product of wave height and distance from the source. The conclusions of this scheme of analysis are being tested with hydrodynamic computer code calculations.

Author: Herbert C. Kranzer
Publisher:
ISBN:
Category : Hydrodynamics
Languages : en
Pages : 84

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 396

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Book Description
The present treatise assembles the theoretical foundations and experimental results on the generation and propagation of water waves generated by underwater explosions. After a brief overview of the physical processes and a presentation of order of magnitude of explosion generated water waves (EGWW) as function of explosion parameters, linear theories and experimental calibration are presented. Nonlinear wave theories and their calibration are necessary in shallow water when the water crater caused by the explosion is not small compared to water depth. The importance of dissipation processes due to wave-sea floor interactions is emphasized, particularly when an EGWW travels on long continental shelf. Methodologies for the propagation of transient waves over 3D bathymetries are developed. The simulation of EGWW in the laboratory is reviewed. Finally, a numerical method based on Boundary Integral Method is applied to investigate the dynamic of bubble formation and wave generation near the explosion. (MM).

Author: Waterways Experiment Station (U.S.)
Publisher:
ISBN:
Category : Nuclear warfare
Languages : en
Pages : 142

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Author: Michael E. Andrew
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 50

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 10

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Book Description
In the course of developing the capability of predicting the characteristics of water waves generated by explosions detonated in shallow water beneath the ocean floor, the pertinent data from past experiments were analysed using dimensional analysis as a framework. Data were examined from one series of high explosive cratering experiments detonated beneath the floor in shallow water, and from two series of high explosive experiments and one nuclear explosive experiment detonated above the floor in shallow water. The data indicate that the maximum radius of the water column produced by the explosion is proportional to the cube root of the ratio of explosive yield to ambient pressure at the point of detonation. Further, the data show that the maximum radius of the column of water is proportional to the square root of the product of wave height and distance from the source. The conclusions of this scheme of analysis are being tested with hydrodynamic computer code calculations.

Author: Hsiang Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 63

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The characteristics of dispersive water waves--wave celerity, water particle velocity, and wave deformation--were studied in the laboratory in a region adjacent to the shoreline on a beach which has a 1:14 slope. The waves were generated by immersing a plunger at a distance from the shoreline in water of constant depth. A numerical scheme for the calculation of mean water particle velocity in the horizontal direction was developed according to the principle of continuity. This scheme is highly stable and is suitable for small computer facilities such as the IBM 1620. Methods for the estimation of wave forces and pressures on a vertical barrier, mounted as a seawall, were developed. The methods are based on momentum consideration and require knowledge of the water particle velocity in the horizontal direction and the shape of the incident wave. (Author).

Author: William G. Van Dorn
Publisher:
ISBN:
Category : Underwater explosions
Languages : en
Pages : 396

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Book Description