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Jiajia Pan and Hung Tao Shen
A two-dimensional wave model coupled with ice dynamics is developed to evaluate ice effects on shallow water wave propagation on a beach and in a channel. The nonlinear Boussinesq equations with ice effects are derived and solved by the hybrid technique ...
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Heng Liu and Veronica Eliasson
Geometrical shock dynamics (GSD) is a model capable of efficiently predicting the position, shape, and strength of a shock wave. Compared to the traditional Euler method that solves the inviscid Euler equations, GSD is a reduced-order model derived from ...
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Bae-Seong Kim and Juho Lee
Pyrotechnic-separation devices are widely used in the separation mission of satellites and projectiles. The pyroshock generated by the pyrotechnic-separation device can cause serious damage to surrounding electronic equipment owing to its high-frequency ...
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Heye Xiao, Chizhen Xu, Ruobing Wang, Peixun Yu, Jie Zhou and Junqiang Bai
Rubber isolators are usually used to protect high-precision equipment of autonomous underwater vehicles (AUVs), avoiding damage from overlarge dynamic excitation. Considering the nonlinear properties of the rubber material, the nonlinear behavior of rubb...
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Akihiro Tamura, Kiyokazu Akasaka and Takahiro Otsudo
Landing with the knee in a valgus position may alter energy absorption strategies in the lower extremities and increase mechanical stress on the knee joint. We compared the energy absorption strategies in the lower extremities during valgus and varus lan...
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Yevhenii Dobrynin,Viktor Volkov,Maksym Maksymov,Viktor Boltenkov
Pág. 6 - 15
Physical models of the formation of ballistic and muzzle waves generated during an artillery shot have been developed and investigated. A promising method for assessing the degree of wear of artillery barrels is the acoustic non-contact method. However, ...
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Boran Zhang, Wuyi Wan and Mengshan Shi
Water hammer is an undesired hydraulic shock phenomenon in water supply pipe systems. It is very important to simulate water hammer for preventing the hazard of over pressure. In order to predict the transient pressure caused by a valve closing in a grav...
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Yusuke Takahashi, Reo Nakasato and Nobuyuki Oshima
A numerical analysis of electromagnetic waves around the atmospheric reentry demonstrator (ARD) of the European Space Agency (ESA) in an atmospheric reentry mission was conducted. During the ARD mission, which involves a 70% scaled-down configuration cap...
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Hongjoo Jeon, Jonathan R. Gross, Sarah Estabrook, Stylianos Koumlis, Qian Wan, Gauri R. Khanolkar, Xingtian Tao, David M. Mensching, Edward J. Lesnick and Veronica Eliasson
A shock wave impact study on open and closed cell foam obstacles was completed to assess attenuation effects with respect to different front face geometries of the foam obstacles. Five different types of geometries were investigated, while keeping the ma...
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Qian Wan and Veronica Eliasson
Research on shock wave mitigation in channels has been a topic of much attention in the shock wave community. One approach to attenuate an incident shock wave is to use obstacles of various geometries arranged in different patterns. This work is inspired...
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