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Dynamics of granular debris flows against slit dams based on the CFD–DEM method: effect of grain size distribution and ambient environments
Earth surface flows in nature, like debris flows and rock avalanches, have threatened people’s safety and infrastructure during past decades. Though...
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Deciphering the flow structure of Czochralski melt using Partially Averaged Navier–Stokes (PANS) method
Czochralski melt flow is an outcome of complex interactions of centrifugal, buoyancy, coriolis and surface tension forces, which act at different...
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Power-Based Analysis of Boundary Layer Ingestion Through Numerical Simulations
The previous chapter discussed the theory and the mechanisms of BLI, namely the power-saving mechanism and the body/propulsor interaction. The power...
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Numerical analysis of unstable turbulent flows in a centrifugal pump impeller considering the curvature and rotation effect
In this study, a modified partially averaged Navier-Stokes model (MSST PANS) is proposed by treating a modified shear stress transport (SST) k - ω ...
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A novel method to improve the soil erosion resistance with fungi
This study evaluated an innovative method to improve soil erosion resistance by fungi. An edible filamentous fungus, Pleurotus ostreatus , was...
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Applying physics informed neural network for flow data assimilation
Data assimilation (DA) refers to methodologies which combine data and underlying governing equations to provide an estimation of a complex system....
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Topology optimisation of turbulent flow using data-driven modelling
Fluid topology optimisation has become a popular approach for optimisation of geometries in aero-thermal applications. However, one of the main...
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Computational Fluid Dynamics
Computational Fluid Dynamics (CFD) is a rapidly developed computational modelling approach, aiming to numerically generate the solution of the...
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Study on Drilling Ground Collapse Induced by Groundwater Flow and Prevention Based on a Coupled CFD-DEM Method
Given the hazards caused by drilling ground collapse (DGC) due to groundwater flow in the processes of geotechnical engineering investigation, a...
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Numerical Comparison of Turbulence-Chemistry Interactions Models with Radiation Effect for Non-premixed Flames: Sandia-E and DLR-B
This work shows the influence of turbulence-chemistry interactions (TCI) and radiation on temperature and species concentrations of turbulent...
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A Cartesian Immersed Boundary Method Based on 1D Flow Reconstructions for High-Fidelity Simulations of Incompressible Turbulent Flows Around Moving Objects
The aim of the present numerical study is to show that the recently developed Alternating Direction Reconstruction Immersed Boundary Method (ADR-IBM)...
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Method of Reducing Frontal Aerodynamic Drag of the Pipeline Transport Vehicle
Negative effects are investigated, namely the increase in aerodynamic drag resulting from the “piston” effect, which is manifested when the pipeline...
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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...
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WMLES of a Small-Scale Hovering Propeller
Propellers/rotors are usually indispensable parts of unmanned air vehicles that enable them to hover, fly, and maneuver. It is therefore extremely...
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Computational assessment of immersed boundary–lattice Boltzmann method for complex moving boundary problems
In the present work, we investigate the accuracy and robustness of our in-house OpenMP parallelized direct-forcing immersed boundary–lattice...
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Extension of Breakwaters and Restoration of River Mouth Atkasargod Fishery Harbour, Kerala
Coastal areas play a vital role in the socio-economic development of a country because seaborne trade remains the cheapest method for importing and...
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Modeling and Simulation of Ship–Helicopter Dynamic Interface: Method and Application
Modeling and simulation of the ship–helicopter dynamic interface is still a challenging technical problem despite the great development in the...
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Comparison and evaluation of blade element methods against RANS simulations and test data
This paper compares several blade element theory (BET) method-based propeller simulation tools, including an evaluation against static propeller...
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Effect of the yaw angle on turbulent flow structures around the submarine model
The objective of this paper is to investigate the turbulent flow structures around the submarine model and evaluate the effect of the yaw angle on...
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Mathematical Modelling of Particulate Flows
In this chapter, the equations governing the dynamics of particulate flows are presented and discussed. We focus here on the notion of ‘particle...