88 Result(s)
within
Wei** Wen
Engineering
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Article
Numerical analysis of coupled sloshing and motion of a cylindrical FPSO in regular waves
In this paper, the coupled sloshing and motion characteristics of a cylindrical floating production storage offloading (CFPSO) are numerically investigated by means of computational fluid dynamics (CFD) tool. ...
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Article
Flow characteristics and bubble statistics during the fragmentation process of the ingested main cavity in plunging breaking waves
Plunging breaking waves play an important role in the exchange of heat, momentum, and mass between the atmosphere and ocean. In this paper, a series of direct numerical simulations is conducted to investigate ...
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Article
Open Access5G wavelength-division-multiplexing-based bidirectional optical wireless communication system with signal remodulation employing cascaded reflective semiconductor optical amplifiers
Compared with previous generations, fifth-generation communications can provide faster download and upload speeds and support a greater number of connected devices. Integrating fifth-generation signals with op...
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Article
Research on the Road Performance of Carbonaceous Mudstone Soil-Rock Mixtures under Multifactor Influence
To investigate the effects of compaction (K), rock content (RC), and wet-dry cycle (WD) on the road performance of carbonaceous mudstone soil-rock mixtures (CMSRM), orthogonal tests were designed to measure th...
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Article
Numerical simulation of liquid sloshing in a spherical tank by MPS method
This paper investigates the sloshing phenomena in a spherical liquid tank using the moving particle semi-implicit (MPS) method, a crucial study in fluid dynamics. Distinct from previous research focused on rec...
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Article
Numerical investigation of the coupled aero-hydrodynamic performances of a semi-submersible floating offshore wind turbine with inclined columns
Numerical investigations of floating platforms with different outer column inclined angles under two operating conditions of regular wave and irregular wave are presented in this paper. A coupled aero-hydrodyn...
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Article
A design approach for class-AB operational amplifier using the gm/ID methodology
The primary contribution of this paper is the extension of the gm/ID design methodology to two-stage operational amplifiers with class-AB output stages. First, the circuit is analyzed from the perspective of the ...
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Article
Mechanical response analysis of disintegrated carbonaceous mudstone based on discrete element method
The paper aims to study the mechanical characteristics of disintegrated carbonaceous mudstone in a triaxial stress state from a micro-perspective of particles. Based on the discrete element method (DEM), a sph...
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Article
Uniaxial Mechanical Properties and Failure Characteristics of Fractured Silty Mudstone
Cracking behaviour of silty mudstone with existing flaws can trigger slope instability. However, the mechanics of multi-fractured silty mudstone have not been adequately examined. To handle this issue, the stu...
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Article
Numerical analysis of turbulent fluctuations around an axisymmetric body of revolution based on wall-modeled large eddy simulations
Wall-modeled large eddy simulation (WMLES) is used to investigate turbulent fluctuations around an axisymmetric body of revolution. This study focuses on evaluating the ability of WMLES to predict the fluctuat...
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Article
Seepage characteristics test of carbonaceous mudstone soil-rock mixture considering rock content and rainfall infiltration angle
To investigate the infiltration characteristics of carbonaceous mudstone soil-rock mixtures under the effect of rainfall infiltration, model tests considering rock contents and rainfall infiltration angles wer...
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Article
Deep Learning in Maritime Autonomous Surface Ships: Current Development and Challenges
Autonomous surface ships have become increasingly interesting for commercial maritime sectors. Before deep learning (DL) was proposed, surface ship autonomy was mostly model-based. The development of artificia...
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Article
Assessment of subgrid-scale models in wall-modeled large-eddy simulations of turbulent channel flows
Considering the demanding of grid requirements for high-Reynolds-number wall-bounded flow, the wall-modeled large-eddy simulation (WMLES) is an attractive method to deal with near wall turbulence. However, the...
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Article
Numerical simulations of faraday waves in cylindrical and hexagonal tanks based on MPS method
When a partially loaded liquid container vibrates along the vertical direction, the liquid inside will oscillate regularly, which is called Faraday wave. In some cases, the wave form of the Faraday wave is sta...
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Article
Wall-modeled large eddy simulation for the flows around an axisymmetric body of revolution
The flow around an axisymmetric body of revolution (DARPA SUBOFF bare model) at Re = 1.2 × 107 is numerically investigated using the wall-modeled large eddy simulation (WMLES). To evaluate the capabilities of WML...
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Article
Disintegration Mechanism and Swelling–Consolidation Characteristics of Saturated Disintegrated Carbonaceous Mudstone
Highway constructions in southern China have revealed a massive distribution of carbonaceous mudstone. However, this mudstone is seldomly used as embankment fillers because of its significant disintegration up...
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Article
Omega-Liutex method for the interaction among wave, current and fixed vertical cylinder
This paper presents a numerical investigation of the interaction among wave, flow and a fixed cylinder using the naoe-FOAM-SJTU solver, which is a viscous solver for hydrodynamics based on OpenFOAM. The simula...
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Article
Heart Sound Classification Using Deep Learning Techniques Based on Log-mel Spectrogram
In this study, two models for classifying heart rate sounds are proposed to classify heart sound by deep learning techniques based on the log-mel spectrogram of heart sound signals. The heart sound dataset com...
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Chapter and Conference Paper
Investment Optimization and Auxiliary Decision Support System of Power Grid Construction Project Under Double Carbon Target
Due to China’s novel coronavirus pneumonia and the deepening of the reform of the power grid market, the implementation and implementation of China’s dual carbon policy and the current international related qu...
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Chapter and Conference Paper
Method of Conjugate Vectors for the Analysis of Single-Phase-to-Ground-Faulted Grid
With the wide application of power electronic devices (PED), the characteristics of the grid fault vary greatly. The grid voltage/current exhibits the time-varying amplitude/frequency characteristics under asy...
