Results 11 to 20 of about 1,219 (167)
AIP Advances, 2023 A new moving boundary method using virtual particles in smoothed particle hydrodynamics is designed and applied to numerical simulation of underwater explosion.
Xiangfei Gong +3 more
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International Journal of Naval Architecture and Ocean Engineering, 2022 Warship always face the threat of underwater explosion shock, which may affect the ship stern tube bearing lubrication performance when the propeller shaft is bending.
Junchao Zhu +5 more
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Numerical simulation of dynamic response of steel plate subjected to multiple underwater explosions
Zhongguo Jianchuan Yanjiu, 2019 [Objectives] In order to improve the anti-explosion performance of ship structures subjected to multiple underwater explosion loading, and obtain a numerical method for simulating multiple underwater explosions is proposed.[Methods] The dynamic response ...
Zhang Fei +4 more
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Assessment on shock pressure acquisition from underwater explosion using uncertainty of measurement
International Journal of Naval Architecture and Ocean Engineering, 2017 This study aims to verify experimentally the specifications of the data acquisition system required for the precise measurement of signals in an underwater explosion (UNDEX) experiment. The three data acquisition systems with different specifications are
Seok-Jun Moon +3 more
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Numerical modeling and simulation of underwater explosions interacting with discrete rigid bodies
AIP Advances, 2023 The smoothed particle hydrodynamics (SPH) method is widely used to simulate underwater explosion phenomena. However, previous studies have focused on the interaction between the underwater explosion and continuous structures (e.g., steel plates and dams),
Tao Zhang +3 more
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Numerical simulation of rubber coating circular plates subjected to near-field underwater explosion
Zhongguo Jianchuan Yanjiu, 2018 [Objectives] To study the coating effects on structures subjected to near-field underwater explosion, [Methods] the coupling Runge-Kutta Discontinuous Galerkin Method, Boundary Element Method and Finite Element Method are developed in this paper to solve
JIN Zeyu +3 more
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Zhongguo 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
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Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
Mathematics, 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
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A refined numerical investigation of a large equivalent shallow-depth underwater explosion
AIP Advances, 2023 The large equivalent shallow-depth explosion problem is very significant in the field of naval architecture and ocean engineering, as such explosions can be used to attack and demolish ships and anti-ship missiles.
Ming He +4 more
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Shock wave and bubble characteristics of underwater array explosion of charges
Defence Technology, 2022 In this study, we focused on the effect of the underwater explosion parameters of multi-point array explosion. The shock wave and bubble parameters of aggregate charge, two charges, and four charges were measured through an underwater explosion test, and
Hong-Wei Hu +4 more
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