Results 1 to 10 of about 505 (135)

Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion [PDF]

open access: yesMathematics, 2021
The stability of an arch dam can be significantly damaged by an extreme underwater explosion. This study proposed a damage index for assessing the degree of local damage of an arch dam after the dam was subjected to an underwater explosion.
Xiaohua Zhao   +3 more
doaj   +4 more sources

Blast resistance of air-backed RC slab against underwater contact explosion

open access: yesDefence Technology, 2023
Reinforced concrete (RC) structures are common in engineering, and usually exposed to air or water, may be subjected to various blast scenarios. This paper aims to investigate the blast resistance of an air-backed RC slab against underwater contact ...
Guang-dong Yang   +5 more
doaj   +4 more sources

Damage Characteristics of Polymer Plates under the Impact of the Near-Field and Contact Underwater Explosion

open access: yesAdvances in Materials Science and Engineering, 2021
In order to study the damage characteristics of polymer plates under the impact of the underwater explosion, the underwater contact and near-field explosion tests of polymer plates were conducted using different explosive quantities. In this paper, eight
Shucan Liu   +4 more
doaj   +2 more sources

Calculation of explosion bending moment in hull girders subjected to non-contact underwater explosions

open access: yesZhongguo Jianchuan Yanjiu, 2017
Non-contact underwater explosion can generate violent movement on hull girders,which may cause longitudinal strength problems. The explosion bending moment can be calculated using a detailed finite element ship model,but this costs considerable working ...
WU Guangming   +3 more
doaj   +2 more sources

Numerical Simulation of Damage to Ship Structure by Underwater Contact Explosion Shock Wave

open access: yesChemical Engineering Transactions, 2017
The purpose of this paper was to study the damage mechanism of the underwater contact explosion test of the model structure, which provided a basis for the protection mechanism of the side protective structure.
Peiyin Yuan, Yu Zhao
doaj   +2 more sources

Damage Characteristics of Coated Cylindrical Shells Subjected to Underwater Contact Explosion [PDF]

open access: yesShock and Vibration, 2014
It is of great significance for the protective design of submarine to study the influences of coverings on the damage characteristics of single and double cylindrical shells subjected to underwater contact explosions.
Zhi-fan Zhang, Fu-ren Ming, A-man Zhang
doaj   +2 more sources

Energy dissipation mechanism of foam sandwich plate subjected to contact underwater explosion

open access: yesZhongguo Jianchuan Yanjiu, 2018
[Objectives] This paper is a study of the energy dissipation mechanism of a foam sandwich plate subjected to contact underwater explosion (contact UNDEX). [Methods] First, a series of contact UNDEX tests of foam sandwich plates is carried out in order to
ZHAO Yanjie   +3 more
doaj   +2 more sources

Mixed uncertainty quantification of ship non-contact underwater explosion system

open access: yesZhongguo Jianchuan Yanjiu
ObjectivesSubstantial epistemic and aleatory uncertainties coexist in the modeling and simulation (M&S) of ship non-contact underwater explosion (UNDEX).
Xiao LIANG   +3 more
doaj   +2 more sources

Design and test of underwater non-contact explosion shock protection floor for seamen

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives]In order to more effectively protect the surface ship seamen from the shock injury caused by underwater non-contact explosion,[Methods]the shock environments and safety limits for seafmen aboard surface ship are analyzed firstly.
Zhou Xin   +3 more
doaj   +2 more sources

Numerical study on the influence of localized damage effect of explosives on steel plate structure damage under underwater contact explosions

open access: yesBrodogradnja
This study investigates the fluid-structure interaction dynamics induced by underwater explosive, focusing on the impact of localized damage effects of explosive on the transient interaction between plate structures.
Guangliang Li   +3 more
doaj   +3 more sources

Home - About - Disclaimer - Privacy