Underwater explosion in centrifuge part I: Validation and calibration of scaling laws
Sign Up to like & getrecommendations! Published in 2017 at "Science China Technological Sciences"
DOI: 10.1007/s11431-017-9083-0
Abstract: Centrifuge is a promising tool for underwater explosion (UNDEX) research as both Mach and Froude similitudes could be satisfied with hyper-gravity in models, which would result in similarities in both shock wave and bubble oscillation.… read more here.
Keywords: underwater explosion; scaling laws; shock wave; centrifuge ... See more keywords
SPH-BEM simulation of underwater explosion and bubble dynamics near rigid wall
Sign Up to like & getrecommendations! Published in 2019 at "Science China Technological Sciences"
DOI: 10.1007/s11431-018-9420-2
Abstract: A process of underwater explosion of a charge near a rigid wall includes three main stages: charge detonation, bubble pulsation and jet formation. A smoothed particle hydrodynamics (SPH) method has natural advantages in solving problems… read more here.
Keywords: explosion; process; jet; underwater explosion ... See more keywords
Damage analysis of arch concrete dams subjected to underwater explosion
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2019.04.064
Abstract: Abstract The nonlinear behavior of arch concrete dams subjected to underwater explosions was investigated. Pressure waves were spherically modeled using a 3-D finite element method. The nonlinear behavior of concrete was modeled using the concrete… read more here.
Keywords: explosion; damage; arch concrete; underwater explosion ... See more keywords
A combined experimental and numerical investigation on damage characteristics of ice sheet subjected to underwater explosion load
Sign Up to like & getrecommendations! Published in 2020 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2020.102347
Abstract: Abstract The objective of this study is to investigate the damage characteristics response of the ice sheet and reveal the mechanism of ice-breaking subjected to the underwater explosion. The Arbitrary-Lagrangian–Eulerian (ALE) algorithm for the fluid–structure-interaction… read more here.
Keywords: ice sheet; underwater explosion; ice; damage ... See more keywords
Effects of close proximity underwater explosion on the nonlinear dynamic response of concrete gravity dams with orifices
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.06.016
Abstract: Abstract In order to meet the demand for power, irrigation, flood control, drinking water, etc., many orifices are usually designed on the dam body. This paper is aimed to evaluate the close proximity underwater explosion… read more here.
Keywords: gravity dams; close proximity; underwater explosion; proximity underwater ... See more keywords
Assessment on shock pressure acquisition from underwater explosion using uncertainty of measurement
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Naval Architecture and Ocean Engineering"
DOI: 10.1016/j.ijnaoe.2017.04.002
Abstract: Abstract 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… read more here.
Keywords: uncertainty; underwater explosion; measurement; acquisition ... See more keywords
Dynamic response of pipelines with various burial depth due to underwater explosion
Sign Up to like & getrecommendations! Published in 2018 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2018.06.045
Abstract: Abstract Underwater explosives that left in ports and harbors during World War II, which may not be inspected in reconnaissance surveys could threat submerged pipelines seriously. This paper developed a three-dimensional numerical model for dynamic… read more here.
Keywords: response pipelines; burial depth; pipeline; underwater explosion ... See more keywords
Numerical investigation of the dynamic response of CWC structures subjected to underwater explosion loading
Sign Up to like & getrecommendations! Published in 2020 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.107214
Abstract: Abstract The arbitrary Lagrange Euler (ALE) finite element method was used to simulate deformation and damage to a cylindrical shell-water-cylindrical shell (CWC) structure subjected to underwater explosion (UNDEX) loading. The experimental and computational results were… read more here.
Keywords: water; subjected underwater; cwc; undex loading ... See more keywords
Study on the cavitation effects induced by the interaction between underwater blast and various boundaries
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2021.108596
Abstract: Abstract The load of cavitation collapse is one of the main input loads to the structure subjected to underwater explosion. The cavitation effects near different boundaries are of particular importance in understanding the load mechanisms… read more here.
Keywords: effects induced; study cavitation; cavitation effects; underwater explosion ... See more keywords
Dynamic response analysis of submerged floating tunnel subjected to underwater explosion-vehicle coupled action
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2021.109103
Abstract: Abstract The submerged floating tunnel (SFT) is a novel type of ocean structure that is expected to be built in the 21st century. The Underwater explosion (UNDEX) is an extreme accidental load may occur during… read more here.
Keywords: explosion; floating tunnel; dynamic response; response ... See more keywords
Prolonged simulation of near-free surface underwater explosion based on Eulerian finite element method
Sign Up to like & getrecommendations! Published in 2020 at "Theoretical and Applied Mechanics Letters"
DOI: 10.1016/j.taml.2020.01.003
Abstract: Abstract In the area of naval architecture and ocean engineering, the research about the underwater explosion problem is of great significance. To achieve prolonged simulation of near-free surface underwater explosion, the underwater explosion transient numerical… read more here.
Keywords: simulation near; near free; prolonged simulation; underwater explosion ... See more keywords