China Ocean Engineering
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Effect of under connected plates on the hydrodynamic efficiency of the floating breakwater
China Ocean Engineering - Tập 28 - Trang 349-362 - 2014
In this paper, the hydrodynamic efficiency of a floating breakwater system is experimentally studied by use of physical models. Regular waves with wide ranges of wave heights and periods are tested. The efficiency of the breakwater is presented as a function of the wave transmission, reflection, and energy dissipation coefficients. Different parameters affecting the breakwater efficiency are inves......
Penetration Depth of Torpedo Anchor in Two-Layered Cohesive Soil Bed by Free Fall
China Ocean Engineering - Tập 32 - Trang 706-717 - 2018
The penetration depth of torpedo anchor in two-layered soil bed was experimentally investigated. A total of 177 experimental data were obtained in laboratory by varying the undrained shear strength of the two-layered soil and the thickness of the top soil layer. The geometric parameters of the anchor and the soil properties (the liquid limit, plastic limit, specific gravity, undrained shear streng......
Numerical analysis of hydrodynamic behaviors of two net cages with grid mooring system under wave action
China Ocean Engineering - - 2012
Study on the high precision acoustic measurement techniques for determining temperature field around seafloor hydrothermal vent
China Ocean Engineering - - 2012
Analysis for the deployment of single-point mooring buoy system based on multi-body dynamics method
China Ocean Engineering - Tập 26 - Trang 495-506 - 2012
Deployment of buoy systems is one of the most important procedures for the operation of buoy system. In the present study, a single-point mooring buoy system which contains surface buoy, cable segments with components, anchor and so on is modeled by applying multi-body dynamics method. The motion equations are developed in discrete node description and fully Cartesian coordinates. Then numerical m......
Experimental modelling of transverse oscillations in aquaculture netting parallel to the flow — Sounds baffling
China Ocean Engineering - Tập 29 - Trang 391-400 - 2015
Numerous studies have been undertaken to improve the viability, durability and suitability of materials and methods used for aquaculture enclosures. While many of the previous studies considered macro-deformation of nets, there is a paucity of information on netting micro-deformation. When aquaculture pens are towed, industry operators have observed the motion described as “baffling” — the transve......
Numerical Investigation of Run-ups on Cylinder in Steep Regular Wave
China Ocean Engineering - Tập 33 - Trang 601-607 - 2019
The run-up on offshore structures induced by the steep regular wave is a highly nonlinear flow with a free surface. This article focuses on the investigation of the steep regular wave run-up on a single vertical cylinder by solving the Navier-Stokes equations. A numerical wave tank is established based on the open-source package to simulate the wave scattering induced by a vertical cylinder. The V......
Performance of X-Section Concrete Pile Group in Coral Sand Under Vertical Loading
China Ocean Engineering - Tập 34 - Trang 621-630 - 2020
To reveal the bearing capacity of the X-section pile group in coral sand, a series of model load tests are conducted. The testing results are presented as load-settlement curves, pile-soil stress ratios, distributions of side friction and axial force, and load-sharing ratio between side and tip resistances. The reliability and accuracy of the numerical simulation model are verified by comparing th......
Study on Transient Gap Resonance with Consideration of the Motion of Floating Body
China Ocean Engineering - Tập 36 - Trang 994-1006 - 2023
In this paper, the transient fluid resonance phenomenon inside a narrow gap between two adjacent boxes excited by the incident focused waves with various spectral peak periods and focused wave amplitudes is simulated by utilizing the open-sourced computational fluid dynamics software, OpenFOAM. The weather-side box is allowed to heave freely under the action of waves, and the lee-side box keeps fi......
A Method for the Damage Detection of Pile Foundation in High-Pile Wharf Based on A Curvature Mode Deletion Model
China Ocean Engineering - Tập 34 - Trang 871-880 - 2021
As the top of the pile foundation in high-pile wharf is connected to the superstructure and most of the pile bodies are located below the water surface, traditional damage detection methods are greatly limited in their application to pile foundation in service. In the present study, a new method for pile foundation damage detection is developed based on the curve shape of the curvature mode differ......
Tổng số: 664
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