Zhi Zong
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View article: Influence of the Medium and Structural Parameters on the Formation Effect of Linear Explosively Formed Projectiles
Influence of the Medium and Structural Parameters on the Formation Effect of Linear Explosively Formed Projectiles Open
The linear explosively formed projectile (LEFP) is a special type of linear shaped charge (LSC) and is developed on the basis of the explosively formed projectile. Known for their excellent penetration performance and directional destructi…
View article: Experimental study on damage characteristics of t-shaped stiffened plates subjected to different types of shaped charges: Linear-shaped charge, embowed linear-shaped charge, and embowed linear explosively formed projectile
Experimental study on damage characteristics of t-shaped stiffened plates subjected to different types of shaped charges: Linear-shaped charge, embowed linear-shaped charge, and embowed linear explosively formed projectile Open
View article: Pollination Deficit: A Key Limitation of Fruit Set in Northward-Expanded Camellia Orchards
Pollination Deficit: A Key Limitation of Fruit Set in Northward-Expanded Camellia Orchards Open
Northward expansion of economically essential plants is a vital strategy for enhancing agricultural productivity; however, it often results in reduced yields. This study systematically assessed the impact of translocating the high-value oi…
View article: Mechanical Properties of Granular Sea Ice Under Uniaxial Compression: A Comparison of Piled and Level Ice
Mechanical Properties of Granular Sea Ice Under Uniaxial Compression: A Comparison of Piled and Level Ice Open
The proportion of granular ice in sea ice layers has markedly increased due to global warming. To investigate the uniaxial compressive behavior of granular sea ice, we conducted a series of experiments using natural piled and level ice sam…
View article: Research on Federated Learning Model for Assisted Diagnosis in Cancer Rehabilitation-Based on AMO-XGBoost Model
Research on Federated Learning Model for Assisted Diagnosis in Cancer Rehabilitation-Based on AMO-XGBoost Model Open
With the application of AI in healthcare, privacy and security issues are a growing concern. Protecting the privacy of patient data and controlling the loss of model accuracy becomes critical when training AI models. Cancer is an increasin…
View article: Experimental Investigation on Reducing High-Speed Water Entry Impact Loads Using a Composite Buffering Cap
Experimental Investigation on Reducing High-Speed Water Entry Impact Loads Using a Composite Buffering Cap Open
View article: Hydrodynamic Analysis of Different Formation Configurations of Catamaran in Regular Head Waves
Hydrodynamic Analysis of Different Formation Configurations of Catamaran in Regular Head Waves Open
When undertaking long-distance missions at sea, vessels aim to achieve an extended operational range through drag reduction and energy efficiency, while enhanced wave resilience also provides substantial benefits. In this work, the Delft-3…
View article: The Impact of Green Finance Policy on Firm Innovation: Evidence from China
The Impact of Green Finance Policy on Firm Innovation: Evidence from China Open
View article: A New Boundary Condition Framework for Particle Method by Using Local Regular-Distributed Background Particles—The Special Case for Poisson Equation
A New Boundary Condition Framework for Particle Method by Using Local Regular-Distributed Background Particles—The Special Case for Poisson Equation Open
To improve the accuracy of solving the Poisson equation and the efficiency of handling complex boundary shapes in the particle method, this paper proposes a Local Regular-distributed Background Particles (LRBP) as an alternative to traditi…
View article: Model Experimental Study on a T-Foil Control Method with Anti-Vertical Motion Optimization of the Mono Hull
Model Experimental Study on a T-Foil Control Method with Anti-Vertical Motion Optimization of the Mono Hull Open
T-foils with active control systems can adjust their attack angle according to the movement of the ship in real time, providing higher lift force and improving the seakeeping performance of a ship. The optimization of the control signal an…
View article: A CFD-Based Data-Driven Reduced Order Modeling Method for Damaged Ship Motion in Waves
A CFD-Based Data-Driven Reduced Order Modeling Method for Damaged Ship Motion in Waves Open
A simple CFD-based data-driven reduced order modeling method was proposed for the study of damaged ship motion in waves. It consists of low-order modeling of the whole concerned parameter range and high-order modeling for selected key scen…
View article: A Data-Driven Model for Ice-Breaking Resistance of Structure Based on Non-Smooth Discrete Element Method and Artificial Neural Network Method
A Data-Driven Model for Ice-Breaking Resistance of Structure Based on Non-Smooth Discrete Element Method and Artificial Neural Network Method Open
In this paper, a data-driven model based on the Non-smooth Discrete Element Method (NDEM) and Artificial Neural Network Method (ANN) is proposed for the computation of the ice-breaking resistance of the structure. The idea of so-called “me…
View article: Numerical Study of Water Entry of Vehicle Under Near Free Surface Caused by Underwater Explosion
Numerical Study of Water Entry of Vehicle Under Near Free Surface Caused by Underwater Explosion Open
View article: Formation of Shaped Charge Projectile in Air and Water
Formation of Shaped Charge Projectile in Air and Water Open
With the improvement of the antiknock performance of warships, shaped charge warheads have been focused on and widely used to design underwater weapons. In order to cause efficient damage to warships, it is of great significance to study t…
View article: Ship resistance in random ice field of small ice floes made of the substitute material
Ship resistance in random ice field of small ice floes made of the substitute material Open
ObjectivesThis study focuses on the feasibility of a ship resistance model test in an ice field of small ice floes made of substitute material in order to reveal the resistance components and thereby provide technical support for the desig…
View article: Experimental study on flexural strength and effective elastic modulus of granular ice in the Bohai Sea, China
Experimental study on flexural strength and effective elastic modulus of granular ice in the Bohai Sea, China Open
In the ice-infested Bohai Sea, ice-breaking cones are generally installed on offshore wind turbine towers for ice resistance. Bending failure is a frequent ice failure mode occurring when ice interacts with ice-breaking cones. Global warmi…
View article: Experimental Study on the Configuration Hydrodynamics of Trimaran Ships
Experimental Study on the Configuration Hydrodynamics of Trimaran Ships Open
This paper presents experimental results on configuration hydrodynamics. Three models are used in the model tests, which are typical of hard, round, and soft chines. Although specific values are different, the influence patterns are simila…
View article: Slamming Force Decomposition with Gravity Effect
Slamming Force Decomposition with Gravity Effect Open
View article: A Random Pore Model of sea ice for predicting its mechanical properties
A Random Pore Model of sea ice for predicting its mechanical properties Open
Sea ice contains gas and brine pockets arising from its special growth environments.The mechanical properties are strongly dependent on the microstructure of sea ice, the most prominent of which is described by its porosity. In this paper …
View article: Conformal Mapping-Based Discrete Vortex Method for Simulating 2-D Flows around Arbitrary Cylinders
Conformal Mapping-Based Discrete Vortex Method for Simulating 2-D Flows around Arbitrary Cylinders Open
A novel technique based on conformal mapping and the circle theorem has been developed to tackle the boundary penetration issue, in which vortex blobs leak into structures in two-dimensional discrete vortex simulations, as an alternative t…
View article: Effects of air cushion on slamming load of trimaran cross-deck structure
Effects of air cushion on slamming load of trimaran cross-deck structure Open
ObjectivesThe hull plate of a trimaran cross-deck bottom is often subjected to slamming loads under high-level sea conditions, potentially causing severe structural damage. The objective of this study is to analyze the influence of the air…
View article: A numerical investigation of sinkage and trim effects on the resistance of trimaran hull form in calm water
A numerical investigation of sinkage and trim effects on the resistance of trimaran hull form in calm water Open
Objectives The motion attitude (sinkage and trim) of a semi-planing ship (at Froude numberFr > 0.4) have significant effects on its resistance performance during voyage. The sinkage and trim effects on the resistance componen…
View article: Influence of an Integral Heave Plate on the Dynamic Response of Floating Offshore Wind Turbine Under Operational and Storm Conditions
Influence of an Integral Heave Plate on the Dynamic Response of Floating Offshore Wind Turbine Under Operational and Storm Conditions Open
The hydrodynamic performance of the floating foundation for offshore wind turbines is essential to its stability and energy harvesting. A semi-submersible platform with an integral heave plate is proposed in order to reduce the vertical mo…
View article: Review of longitudinal motion and controls of ships on waves
Review of longitudinal motion and controls of ships on waves Open
Objectives With the advancement of the global economy and science, intellectualization is the inevitable trend of ship development. Applying active controls to a ship's ride control system for the purpose of improving hydrodynamic p…
View article: Prediction method of hydrofoil vortex shedding frequency at high Reynolds numbers
Prediction method of hydrofoil vortex shedding frequency at high Reynolds numbers Open
[Objectives] Flow around hydrofoils under high Reynolds number is always a hot topic in hydrodynamic field due to its complicated principle and difficult calculation. The Discrete Vortex Model (DVM) based on vorticity and stream fun…
View article: The Replacement Rule for Nonlinear Shallow Water Waves
The Replacement Rule for Nonlinear Shallow Water Waves Open
When a $(1+1)$-dimensional nonlinear PDE in real function $η(x,t)$ admits localized traveling solutions we can consider $L$ to be the average width of the envelope, $A$ the average value of the amplitude of the envelope, and $V$ the group …
View article: Splash formation and cavity dynamics of sphere entry through a viscous liquid resting on the water
Splash formation and cavity dynamics of sphere entry through a viscous liquid resting on the water Open
The splash formation and cavity dynamics during the entry of an object into a single-phase liquid system have been investigated considerably in the past, but only a few studies focus on such phenomena in a two-layer liquid system. In the c…
View article: Optimizing of trimaran motion response based on Monto Carlo method
Optimizing of trimaran motion response based on Monto Carlo method Open
[Objectives]To study the influence of side-hull layout of trimaran on its motion performance,[Methods]A new method which is based on Monte Carlo method and potential flow theory is presented to help side-hull layout of trimar…
View article: A Modified Mixture Rules for Mie-Grüneisen Mixture Model
A Modified Mixture Rules for Mie-Grüneisen Mixture Model Open
The Mie-Grüneisen mixture model can be conveniently used in multicomponent flow. However, the mixture rules in the original model can’t distinguish components at the interface. That cause abnormal transition near the interface. To solve…
View article: Numerical research on control of longitudinal motion of ship in waves by T-foil
Numerical research on control of longitudinal motion of ship in waves by T-foil Open
[Objectives] A T-foil with an active control system can provide higher lift force and improve the seakeeping of a ship. It is necessary to calculate the anti-vertical motion effect with the different control signals.[Methods]…