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Showing 20 of 69 academic articles

Numerical simulation of gravity-driven motion of fine-grained sediment deposits in large reservoirs: case study of the Three Gorges Reservoir

JIA Dongdong, ZHOU Jianyin, SHAO Xuejun, ZHANG Xingnong • Shui kexue jinzhan (2018)

Sediment deposition is one of the key issues during the processes of reservoir construction and operation. On the basis of the observed sedimentation patterns in the dam area of Three Gorges Reservoir (TGR), a schematic diagram of fine-grai...

DOAJ Open Access (DOAJ) DOI: 10.14042/j.cnki.32.1309.2018.01.007

Study on Damage Behavior and Anti-Explosion Performance of Steel Fiber-Reinforced Cellular Concrete Under Underwater Contact Explosion

Hu Huang, Shubo Dai, Kelei Cao, Changxing Tang et al. • Buildings (2026)

To explore the damage mitigation mechanism of steel fiber-reinforced cellular concrete (SFR-CC) under underwater explosion loading, this study systematically analyzes two key variables: steel fiber volume fraction (0.5%, 1.0%, 1.5%, and 2.0...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings16101975

Numerical Simulation of Cooling Plate Using K-Epsilon Turbulence Model to Cool Down Large-Sized Graphite/LiFePO<sub>4</sub> Battery at High C-Rates

Satyam Panchal, Krishna Gudlanarva, Manh-Kien Tran, Münür Sacit Herdem et al. • World Electric Vehicle Journal (2022)

In this paper, an analogous study of the velocity and temperature profiles inside microchannel cooling plates (with hydraulic diameter of 6 mm), placed on a large pouch-type LiFePO4 battery, is presented using both the laboratory and simula...

DOAJ Open Access (DOAJ) DOI: 10.3390/wevj13080138

Research on Two-Phase Flow and Wear of Inlet Pipe Induced by Fluid Prewhirl in a Centrifugal Pump

Jilong Chen, Xing Chen, Wenjin Li, Yuhai Zheng et al. • Journal of Marine Science and Engineering (2024)

In deep-sea mining hydraulic lifting systems, centrifugal pumps are very important as power units. In the process of transportation, the fluid prewhirl phenomenon in the impeller inlet will lead to changes in the state of motion of the part...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse12060950

Engineering Geological Characterization and Microtopographic Controls on Slide–Pipeline Interaction in Steep Submarine Canyons, Qiongdongnan Basin

Hua Tao, Yide Wang, Huajie Yu, Hao Li et al. • Journal of Marine Science and Engineering (2026)

Steep submarine canyons pose challenges to deep-water pipeline routing because of rugged terrain and slide-related hazards. This study integrates 3D seismic data, shipborne and autonomous underwater vehicle bathymetry, sub-bottom profiles, ...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14181720

Influence of Station-to-Station Line Orientation on Sea Current Speed Observation Using Coastal Acoustic Tomography

Wan-Gu Kim, Byoung-Nam Kim, Yohan Chweh • Journal of Marine Science and Engineering (2026)

The influence of station-to-station line orientation on sea current speed observations using Coastal Acoustic Tomography (CAT) was quantitatively investigated. For this purpose, we conducted CAT experiments at five stations in Yeosu Bay, So...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14060529

Remaining Useful Life Prediction for Nonlinear Degraded Equipment With Bivariate Time Scales

Hong Pei, Changhua Hu, Xiaosheng Si, Jianfei Zheng et al. • IEEE Access (2019)

As the fundamental and prerequisite work of remaining useful life (RUL) prediction, degradation modeling directly affects the accuracy of RUL prediction. Existing degradation models are all developed under a single time scale, and less rese...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2951804

Numerical Simulations of the Lunar Penetrating Radar and Investigations of the Geological Structures of the Lunar Regolith Layer at the Chang’E 3 Landing Site

Chunyu Ding, Yan Su, Shuguo Xing, Shun Dai et al. • International Journal of Antennas and Propagation (2017)

In the process of lunar exploration, and specifically when studying lunar surface structure and thickness, the established lunar regolith model is usually a uniform and ideal structural model, which is not well-suited to describe the real s...

DOAJ Open Access (DOAJ) DOI: 10.1155/2017/3013249

Evaluation of experimentally observed asymmetric distributions of hardness, strain and residual stress in cold drawn bars by FEM-simulation

Juliana Zottis, Carla Adriana Theis Soares Diehl, Alexandre da Silva Rocha • Journal of Materials Research and Technology (2018)

The purpose of this paper is to investigate the correlation of strain and hardness parameters in a drawing process chain of an SAE 1045 steel bar. The present work discusses the application of the experimental and numerical method of analys...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jmrt.2018.01.004

Forward-Looking Geometric Configuration Optimization Design for Spaceborne-Airborne Multistatic Synthetic Aperture Radar

Deqing Mao, Yongchao Zhang, Jifang Pei, Weibo Huo et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2021)

Spaceborne-airborne multistatic synthetic aperture radar (SA-MuSAR) has the ability to provide high-resolution forward-looking imagery for receivers, but it relies on careful design of the geometric configuration (GC). In this article, a fo...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2021.3103802

Influence of valley topography on earth pressure of high-fill arch culvert

FENG Zhong-ju, WANG Si-qi, WANG Xi-qing, WANG Ze-guo et al. • Rock and Soil Mechanics (2023)

High-fill culverts placed in valley topography have a complex earth pressure distribution law due to their locations around culverts in various valley topography conditions. In order to investigate the influence of valley topography on the ...

DOAJ Open Access (DOAJ) DOI: 10.16285/j.rsm.2022.5297

Threshold dynamics of a delayed predator–prey model with impulse via the basic reproduction number

Xiangsen Liu, Binxiang Dai • Advances in Difference Equations (2018)

Abstract In this paper, we study a delayed predator–prey model with impulse and, in particular, the existence of the predator-free periodic solution. We employ the approach and techniques coming from epidemiology and calculate the basic rep...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13662-018-1895-1

On mathematical modeling of fractional-order stochastic for tuberculosis transmission dynamics

C.W. Chukwu, E. Bonyah, M.L. Juga, Fatmawati • Results in Control and Optimization (2023)

Tuberculosis remains one of the most dangerous diseases globally and has affected many people in Sub-Saharan Africa. In this paper, a fractional stochastic model of tuberculosis disease was formulated and analyzed. The existence and uniquen...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rico.2023.100238

The Effects of the Weak Allee Effect and Disease on the Dynamics of a Predator–Prey System: Stability and Bifurcation Properties

Yurong Dong, Hua Liu, Jianhua Ye, Gang Ma et al. • Axioms (2025)

In this paper, an eco-epidemiological model with a weak Allee effect and prey disease dynamics is discussed. Mathematical features such as non-negativity, boundedness of solutions, and local stability of the feasible equilibria are discusse...

DOAJ Open Access (DOAJ) DOI: 10.3390/axioms14070531

Chaotic outbreak in discrete epidemic model with vaccination and quarantine interventions and limited medical resources

Faizal Rifky Fahreza, Moh Hasan, Kiswara Agung Santoso • Majalah Ilmiah Matematika dan Statistika (2025)

The spread of infectious diseases can be analyzed dynamically using a discrete dynamic system. The characteristics of the infectious disease phenomenon are interesting to study as parameters considered in a dynamic system. Some of these inc...

DOAJ Open Access (DOAJ) DOI: 10.19184/mims.v25i1.53689