<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Shock waves arriving at a dam site are close to plane waves when the center of an underwater explosion is far from the dam site. In general, the wave pressure is calculated with COLE empirical formula. The COLE formula is a negative exponential function with respect to time. In this paper, a new analytical solution algorithm is proposed, which does not require the use of step-by-step time integration. In Comparison with the step-by-step time integration, the proposed algorithm requires relatively less calculation and avoids high-frequency oscillation. Furthermore, the vertical upstream surface and the sloping upstream surface in two types of the dams are analyzed in this paper. The research results indicate that the analytical solution can be applied for a dam with a vertical upstream surface. However, because the upstream face of a dam is inclined, the analytical solution can be obtained only for dams that are at lower height. Whenever the height of a dam is higher, then no analytical solution can be obtained, and only the use of step-by-step time integration can obtain a solution.</p></abstract>

Shock waves arriving at a dam site are close to plane waves when the center of an underwater explosion is far from the dam site. In general, the wave pressure is calculated with COLE empirical formula. The COLE formula is a negative exponential function with respect to time. In this paper, a new analytical solution algorithm is proposed, which does not require the use of step-by-step time integration. In Comparison with the step-by-step time integration, the proposed algorithm requires relatively less calculation and avoids high-frequency oscillation. Furthermore, the vertical upstream surface and the sloping upstream surface in two types of the dams are analyzed in this paper. The research results indicate that the analytical solution can be applied for a dam with a vertical upstream surface. However, because the upstream face of a dam is inclined, the analytical solution can be obtained only for dams that are at lower height. Whenever the height of a dam is higher, then no analytical solution can be obtained, and only the use of step-by-step time integration can obtain a solution.

An Analytical Solution for Dynamic Response of Water Barrier Subjected to Strong Shock Waves Caused by an Underwater Explosion to Dams

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Shock waves arriving at a dam site are close to plane waves when the center of an underwater explosion is far from the dam site. In general, the wave pressure...

An Analytical Solution for Dynamic Response of Water Barrier Subjected to Strong Shock Waves Caused by an Underwater Explosion to Dams

Online veröffentlicht: 13. Sept. 2017

Seitenbereich: 111 - 117

DOI: https://doi.org/10.1515/pomr-2017-0072

Schlüsselwörter
Underwater explosion, Shock wave, Dam, Analytical solution, Dynamic response

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

An Analytical Solution for Dynamic Response of Water Barrier Subjected to Strong Shock Waves Caused by an Underwater Explosion to Dams

Online veröffentlicht: 13. Sept. 2017

Seitenbereich: 111 - 117

DOI: https://doi.org/10.1515/pomr-2017-0072

SchlüsselwörterUnderwater explosion, Shock wave, Dam, Analytical solution, Dynamic response

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Schlüsselwörter
Underwater explosion, Shock wave, Dam, Analytical solution, Dynamic response