Browsing CFD Modelling and Simulation by Title
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New Simplified Algorithm for the Multiple Rotating Frame Approach in Computational Fluid Dynamics
(20170602)This paper deals with rotating effects simulation of steady flows in turbomachinery. To take into account the rotating nature of the flow, the frozen rotor approach is one of the widely used approaches. This technique, ... 
Normal lubrication force between spherical particles immersed in a shearthickening fluid
(20181207)In this work, the inverse biviscous model [Physics of Fluids 29, 103104 (2017)] is used to describe a shearthickening fluid. An analytical velocity profile in a planar Poiseuille flow is utilized to calculate an approximate ... 
Numerical Approaches for Loads and Motions Assessment of Floating WECs Moored by Means of Catenary Mooring Systems
(2022)Technologies for harvesting offshore renewable energy based on float ing platforms, such as offshore wind, wave and tidal energies, are currently being developed with the purpose of achieving a competitive cost of energy. ... 
Numerical investigation of the aerodynamic performance for a wellstype turbine in a wave energy converter
(20151231)Ocean waves constitute an extensive energy resource, whose extraction has been the subject of intense research activity in the last three decades. Among the different variants of Wave Energy Converters, the principle of ... 
Numerical investigation of the rheological behavior of a dense particle suspension in a biviscous matrix using a lubrication dynamics method
(20200519)This paper presents a numerical approach to predict the rheology of dense noncolloidal suspensions with a biviscous matrix. A biviscous matrix is characterized as a fluid with two shear rate dependent viscosities i.e. one ... 
A numerical method for suspensions of articulated bodies in viscous flows
(20220901)An articulated body is defined as a finite number of rigid bodies connected by a set of arbitrary constraints that limit the relative motion between pairs of bodies. Such a general definition encompasses a wide variety of ... 
A numerical study on the hydrodynamic impact of device slenderness and array size in wave energy farms in realistic wave climates
(20170710)The future of wave energy converters lies in the design and realization of farms comprising of several devices, given the level of actual power flow for the individual devices and because of several operational issues. ... 
On Adomian Based Numerical Schemes for Euler and NavierStokes Equations, and Application to Aeroacoustic Propagation
(20180312)In this thesis, an Adomian Based Scheme (ABS) for the compressible NavierStokes equations is constructed, resulting in a new multiderivative type scheme not found in the context of fluid dynamics. Moreover, this scheme ... 
On intermediatescale opensea experiments on floating offshore structures: Feasibility and application on a spar support for offshore wind turbines
(20180628)Experimental investigation of floating structures represents the most direct way for achieving their dynamic identification and it is particularly valuable for relatively new concepts, such as floating supports for offshore ... 
Reducing variability in the cost of energy of ocean energy arrays
(201909)Variability in the predicted cost of energy of an ocean energy converter array is more substantial than for other forms of energy generation, due to the combined stochastic action of weather conditions and failures. If the ... 
Review of systems engineering (Se) methods and their application to wave energy technology development
(20201001)The design of effective and economically viable wave energy devices involves complex decision‐making about the product based on conceptual design information, including stakeholder requirements, functions, components and ... 
Selfdiffusion of spherocylindrical particles flowing under nonuniform shear rate
(20220407)This work is devoted to study numerically the selfdiffusion of spherocylindrical particles flowing down an inclined plane, using the discrete element method (DEM). This system is challenging due to particles being ... 
Shearthickening of a noncolloidal suspension with a viscoelastic matrix
(2019)In this work we study the rheology of a noncolloidal suspension of rigid spherical particles interacting with a viscoelastic matrix. Threedimensional numerical simulations under shear flow are performed using the ... 
SimTek  an edXbased platform for Mathematical Multiphysics Simulation
(20151231)[No abstract available] 
Small scale experimental validation of a numerical model of the HarshLab2.0 floating platform coupled with a nonlinear lumped mass catenary mooring system
(20200315)When focusing on mooring system numerical modelling, the efforts are focused on validating models that increase the accuracy and maintain the computation time under reasonable limits. In this paper an approach for modelling ... 
Spray Drag Effect of Fluidized Sand for a Supersonic Vehicle
(20141231)This paper deals with fluidized sand simulation in order to estimate the impact of sand particle motion on the BLOODHOUND SuperSonic Car (SSC) drag forces, such phenomenon is known as a spray drag effect. A gasparticle ... 
TechnologyAgnostic Assessment of Wave Energy System Capabilities
(20220401)Developing new wave energy technologies is risky, costly and timeconsuming. The large diversity of concepts, components and evaluation criteria creates a vast design space of potentially feasible solutions. This paper ... 
Thermal conductivity of amorphous polymers and its dependence on molecular weight
(20210716)Thermal conductivity is an important transport property governing the performance of polymers in nonisothermal conditions. Nevertheless, its dependence on molecular weight M has not been the subject of as much attention ... 
Timeadaptive Adomian decompositionbased numerical scheme for Euler equations
(20220421)Time efficiency is one of the more critical concerns in computational fluid dynamics simulations of industrial applications. Extensive research has been conducted to improve the underlying numerical schemes to achieve time ... 
Unstructured, curved elements for the twodimensional high order discontinuous controlvolume/finiteelement method
(20141231)Quadrilateral and triangular elements with curved edges are developed in the framework of spectral, discontinuous, hybrid controlvolume/finiteelement method for elliptic problems. In order to accommodate hybrid meshes, ...