Explanipedia

Numerical Study on the Dynamic Response of an Offshore Converter Platform with Integrated Equipment During Float-Over Installation Open

Zhenqiang Jiang, Weiwei Wu, T.-G. Wang, Zhenzhou Sun, Bo Zhang , et al. · 2025

With the transformation of the global energy structure, offshore wind power is developing on a large scale, and the efficient and safe installation of offshore converter platforms has become a key technological bottleneck. Based on the ela…

Experimental Study on the Structural Dynamic Response of an Offshore Electrical Platform During Mating Process in Float-Over Installation Open

Yinfeng Wang, Bo Zhang, Zhengang Shan, Zhenzhou Sun, Jiefeng Chen , et al. · 2025

As offshore wind power moves into deeper waters, large-scale electrical platforms are key to efficient power transmission. However, their heavy topside modules create major installation challenges. As traditional lifting methods are inadeq…

Experimental Study on the Seismic Dynamic Response of a Valve Tower on an Offshore Converter Platform Open

Wei Zhang, Zhenzhou Sun, T.-G. Wang, Jiefeng Chen, Qiying Sun , et al. · 2025

With the development of offshore wind power towards deep-sea areas, the offshore valve tower, as a key facility of offshore wind farms, plays a vital role in ensuring the stable operation of the system. To investigate its dynamic response …

Numerical Simulation of Hydrodynamic Characteristics for Monopile Foundations of Wind Turbines Under Wave Action Open

Bin Wang, Ming-Fu Tang, Zhenqiang Jiang, Guohai Dong · 2025

The calculation and evaluation of wave loads represent a critical component in the design process of offshore wind turbines, which is of significant value for ensuring the safety and stability of offshore wind turbines during operation. In…

FIELD INVESTIGATION OF INFRAGRAVITY WAVE RESPONSE UNDER SINGLE-PEAKED AND DOUBLE-PEAKED SPECTRAL SEA STATES Open

Lidian Guo, Xiaozhou Ma, Zhenjun Zheng, Guohai Dong · 2025

Infragravity (hereafter IG) waves are surface gravity waves with typical frequency in the range of 0.005 - 0.04Hz, which are only a few centimeters high in the deep ocean, but amplify rapidly near the coast and can exceed 1 meter in stormy…

TRACKING AND SPATIOTEMPORAL CHARACTERISTICS ANALYSIS OF OCEAN WAVE SYSTEMS: A CASE STUDY OF THE SOUTHEAST PACIFIC OCEAN Open

Huawei Dong, Xiaozhou Ma, Zhenjun Zheng, Guohai Dong · 2025

Ocean surface waves are typically multimodal and comprised of wind sea and swell trains from different meteorological events. Spectral partitioning techniques allow for the efficient separation and parameterization of wave systems within t…

Hydrodynamic Analysis of Combined Offshore Wind Turbine and Net Cage Under Finite-Depth Waves Open

Bin Wang, Ming-Fu Tang, Zhenqiang Jiang, Guohai Dong · 2025

Offshore wind turbines are subjected to long-term wave loads, which shorten their service life. Marine aquaculture cages are common structures in the ocean engineering field. Therefore, investigating the hydrodynamic characteristics of com…

Analysis and Mitigation of Circulating Currents for Grid-Forming Ders During Parallel Black-Start in Islanded Systems Open

Li Sun, Hong Wang, Guohai Dong · 2025

UAVs-Based Visual Localization via Attention-Driven Image Registration Across Varying Texture Levels Open

Yan Ren, Guohai Dong, Tianbo Zhang, Meng Zhang, Xinyu Chen , et al. · 2024

This study investigates the difficulties associated with image registration due to variations in perspective, lighting, and ground object details between images captured by drones and satellite imagery. This study proposes an image registr…

Dynamic analysis to reduce the cost for fixed offshore wind energy turbines Open

Yuxiang Ma, Rubo Zhao, Wenhua Zhao, Bing Tai, Guohai Dong · 2024

An enhanced model for an extreme wave impacting a vertical cylinder Open

Bing Tai, Yuxiang Ma, Guohai Dong, C. G. Koh, Tianning Tang , et al. · 2024

Numerical Analysis on the Wave Attenuation Characteristics of Asuspended Kelp Farm Open

Guohai Dong, Bo Zhang, Chun-Wei Bi · 2024

Effects of the Suspended Kelp Farm on Wave Propagation: A Numerical Study Open

Bo Zhang, Guohai Dong, Chun-Wei Bi · 2024

Numerical Investigation of Hydrodynamic Responses of a Moored Liquefied Natural Gas Ship under Multimodal Waves Open

Na Lu, Tiao-Jian Xu, Xia Lu, Guohai Dong · 2023

Ocean waves typically consist of wind, sea, and swell trains. Conventionally, the treatment of multimodal waves has been to conceptualize them as a unified wave system and employ a single set of aggregate wave parameters for the representa…

Numerical Study on Collisions of Solitons of Surface Waves in Finite Water Depth Open

Bo Liao, Guohai Dong, Yuxiang Ma, Xiaozhou Ma · 2023

Head-on collisions between two solitary waves in the framework of the nonlinear Schrödinger (NLS) equation were investigated using the Fourier spectral method. When solitary waves undergo collision, the peak value of surface elevation (her…

Analysis of Water Resonance in the Inner Domain of a Large Fixed Floating Tourist Platform Based on a 3D Non-Hydrostatic Model Open

Zhiqiang Liu, Yanjun Mao, Jun Ding, Chao Tian, Siyu Wang , et al. · 2023

In order to meet the needs of marine tourism development, this paper analyzes the water resonance in the inner domain of a fixed floating tourist platform based on a 3D non-hydrostatic model. The tourist platform has a complex structure th…

An experimental study on nonlinear wave dynamics for freak waves over an uneven bottom Open

Yanli He, Guanglin Wu, Hongfei Mao, Hongzhou Chen, Jinbo Lin , et al. · 2023

The effect of the non-uniform bathymetry on the nonlinear wave dynamics for the freak wave is investigated experimentally, with emphasis on the interrelations between different nonlinear behaviors resulting from various geometric parameter…

Modified nonlinear Schrödinger equation for gravity waves with the influence of wind, currents, and dissipation Open

Bo Liao, Guohai Dong, Yuxiang Ma, Xiaozhou Ma, Marc Perlin · 2023

A new modified nonlinear Schrödinger (MNLS) equation is derived for gravity waves with the presence of wind, dissipation, and shear currents in finite water depth. Horizontal surface currents are assumed stationary and slowly varying spati…

Enhanced extreme wave statistics of irregular waves due to accelerating following current over a submerged bar Open

Jie Zhang, Yuxiang Ma, Ting Tan, Guohai Dong, Michel Benoît · 2023

We present experimental results of irregular long-crested waves propagating over a submerged trapezoidal bar with the presence of a background current in a wave flume. We investigate the non-equilibrium phenomenon (NEP) induced by signific…

Numerical Evaluation of the Tension Mooring Effects on the Hydrodynamic Response of Moored Ships Under Harbor Oscillations Open

Mingyu Yan, Zhenjun Zheng, Zhongbin Sun, Xiaozhou Ma, Guohai Dong · 2023

Experimental Study on the Hydrodynamic Performance of a Flexible Connected Dual-Module Floating Structure Open

Guohai Dong, Yanjun Mao, Xiaozhou Ma, Lu Xiong, Luyao Zhang , et al. · 2023

Numerical Study of Flow Regimes and Force Characteristics for Cruciform Cylinder in Oscillatory Flow Open

Zong-Chao Guo, Guohai Dong, Ming-Fu Tang, Hongwei An, Zhenjun Zheng · 2023

Numerical Simulation of Damping Effect of Ballast Water System on Motion Response of Immersed Tunnel Element Open

Sen Wang, Tiao-Jian Xu, Guohai Dong, Tong-Yan Wang · 2023

Estimation of Wave Overtopping Over Breakwater Based on an Improved Stacking Model Open

Haixu Wang, Yu‐Fei Wu, Yanjun Mao, Xiaozhou Ma, Yuan Fang , et al. · 2023

Wave diffraction of a hybrid wind turbine foundation with a double-layer aquaculture cage Open

Xiaokang Zhu, Guohai Dong, Chun-Wei Bi, Yunpeng Zhao · 2022

A hybrid wind turbine foundation combined with a double-layer offshore net cage for marine aquaculture is proposed in this paper. To study the diffraction and hydrodynamic loads on the structure for waves with small steepness, a numerical …

PWPNet: A Deep Learning Framework for Real-Time Prediction of Significant Wave Height Distribution in a Port Open

Cui Xie, Xiudong Liu, Tenghao Man, Tianbao Xie, Junyu Dong , et al. · 2022

In this paper, a 2-stage cascaded deep learning framework, Port Wave Prediction Network (PWPNet), is proposed for real-time prediction of significant wave height (SWH) distribution in a port. The PWP-out model of the first stage, predictin…

Laboratory Study on Flow Characteristics during Solitary Waves Interacting with a Suspended Horizontal Plate Open

Xuyang Niu, Yuxiang Ma, Guohai Dong · 2022

A series of laboratory experiments were conducted to investigate the 2–D kinematic field evolution around a suspended plate induced by solitary waves. The plate–type structure was rigid and suspended above the mean water level, while the s…

Three-dimensional non-hydrostatic model for dam-break flows Open

Congfang Ai, Yuxiang Ma, Weiye Ding, Zhihua Xie, Guohai Dong · 2022

A three-dimensional (3D) non-hydrostatic model is presented for the simulation of dam-break flows. The model solves the Reynolds-averaged Navier–Stokes equations using the projection method. 3D computational grids are constructed from a tw…

Emergence of Solitons from Irregular Waves in Deep Water Open

Weida Xia, Yuxiang Ma, Guohai Dong, Jie Zhang, Xiaozhou Ma · 2021

Numerical simulations were performed to study the long-distance evolution of irregular waves in deep water. It was observed that some solitons, which are the theoretical solutions of the nonlinear Schrödinger equation, emerged spontaneousl…

Performance Accuracy of Surfbeat in Modeling Infragravity Waves near and Inside a Harbor Open

Lidian Guo, Xiaozhou Ma, Guohai Dong · 2021

Infragravity (IG) waves significantly affect the operational efficiency of ports. Therefore, an accurate prediction of IG waves inside a harbor is necessary. In this study, the accuracy of the wave-group-resolving model XBeach Surfbeat (XB…

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