Browsing CFD Modelling and Simulation by Title
Now showing items 1-20 of 49
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Aerodynamic study of a tricycle wheel subsystem for drag reduction
(2014-12-31)This paper deals with a computational fluid dynamics (CFD) and experimental drag analysis on an isolated rotating wheel subsystem (including its accessories: tire, suspension, A-arms, and fender) of a motor tricycle vehicle ... -
Apparent slip mechanism between two spheres based on solvent rheology: Theory and implication for the shear thinning of non-Brownian suspensions
Vazquez-Quesada, A.; Español, P.; Ellero, M.
(2018-12-10)
Analytical results for the apparent slip between two spheres in a simple biviscous model of a shear thinning fluid are presented. Velocity profiles and apparent slip lengths along the surfaces are analyzed in order to ... -
Arbitrary flow boundary conditions in smoothed dissipative particle dynamics: A generalized virtual rheometer
Moreno, N.; Ellero, M. (2021-01-01)
In this work, a methodology to perform rheological studies on smoothed dissipative particle dynamics under arbitrary flow configurations is introduced. To evaluate the accuracy and flexibility of the proposed methodology, ... -
BBIPED: BCAM-Baltogar Industrial Platform for Engineering Design
Alonso-Montes, C.; Garcia, I.; Ramezani, A.; Remaki, L. (2014-12-31)
Currently, commercial software for computational fluid dynamics offers a good set of features to deal with traditional designs. Within a competitive market industrial innovation is a key factor that must be faced by ... -
A Bochev-Dohrmann-Gunzburger stabilization method for the primitive equations of the ocean
(2013-12-31)We introduce a low-order stabilized discretization of the primitive equations of the ocean with highly reduced computational complexity. We prove stability through a specific inf-sup condition, and weak convergence to a ... -
A comparison of numerical approaches for the design of mooring systems for wave energy converters
Touzon, I.; Nava, V.; de Miguel, B.; Petuya, V. (2020-07-01)
This paper analyses the numerical outcome of applying three different well-known mooring design approaches to a floating wave energy converter, moored by means of four catenary lines. The approaches include: a linearized ... -
A conservative lubrication dynamics method for the simulation of dense non-colloidal suspensions with particle spin
Kumar, S.S.P.; Vazquez-Quesada, A.; Ellero, M. (2021-02-15)
In this paper, a novel Fast Lubrication Dynamics method that can efficiently simulate dense non-colloidal suspensions is proposed. To reduce the computational cost in the presented methodology, interparticle lubrication-based ... -
Discontinuous high-order finite-volume/finite-element method for inviscid compressible flows
(2015-12-31)The discontinuous, hybrid control-volume/finite-element method merges the desirable conservative properties and intuitive physical formulation of the finite-volume technique, with the capability of local arbitrary high-order ... -
Dynamics and rheology of a suspension of super-paramagnetic chains under the combined effect of a shear flow and a rotating magnetic field
Rossi, E.; Ruiz-Lopez, J.A.; Vazquez-Quesada, A.; Ellero, M. (2021)
This study presents an analysis of the dynamics of a single and multiple chains of spherical super-paramagnetic beads suspended in a Newtonian fluid under the combined effect of an external rotating magnetic field and a ... -
Efficient Rotating Frame Simulation in Turbomachinery
(2014-12-31)This paper deals with the simulation of steady flows in tur- bomachinery. Two approaches are proposed, the first one is the classical multiple-rotating frame method (MRF) by multi- zone approach where the different zones ... -
Experimental investigation of anomalous molecular probe diffusion in entangled polymer melts
Nieto, D.; Ramakrishnan, V.; Smoukov, S. K.; Venerus, D. C. (2022-01-01)
Investigations on the diffusion of small molecules or particles in polymeric materials are important to numerous technologies and can also be used to gain insight on polymer chain dynamics. Systems where the probe size is ... -
Frequency domain modelling of a coupled system of floating structure and mooring Lines: An application to a wave energy converter
Touzon, I.; Nava, V.; Gao, Z.; Petuya, V. (2021-01-15)
Floating structures for single offshore renewable energy devices, i.e. wave energy converters, tend to be significantly smaller than those of the traditional offshore industry and the interaction between floater motions ... -
Group-level progressive alterations in brain connectivity patterns revealed by diffusion-tensor brain networks across severity stages in Alzheimer's disease
Rasero, J.; Alonso-Montes, C.; Diez, I.; Olabarrieta-Landa, L.; Remaki, L.; Escudero, I.; Mateos, B.; Bonifazi, P.; Fernandez, M.; Arango-Lasprilla; Stramaglia, S.; Cortes, J.M. (2017-07-01)
Alzheimer’s disease (AD) is a chronically progressive neurodegenerative disease highly correlated to aging. Whether AD originates by targeting a localized brain area and propagates to the rest of the brain across ... -
High order discontinuous finite-volume/finite-element method for CFD applications
(2014-12-31)The proposed method naturally merges the desirable conservative properties and intuitive physical formulation of the widely used finite-volume (FV) technique, with the capability of local arbitrary high-order accuracy and ... -
High-order mixed weighted compact and non-compact scheme for shock and small length scale interaction
(2013-12-31)It is critical for a numerical scheme to obtain numerical results as accurate as possible with limited computational resources. Turbulent processes are very sensitive to numerical dissipation, which may dissipate the small ... -
Hydrodynamic identification of NAUTILUS FOWT platform from small scale tests
Galván, J.; Sánchez-Lara, M.; Garrido-Mendoza, C.; Pérez-Morán, G.; Boulluec, M.L.; Augier, B.; Rodriguez-Arias, R.; Nava, V. (2019)
A small-scale tank test campaign of the NAUTILUS offshore wind floating semisub-mersible platform was held at the Ifremer Deep Water Basin within the framework of the MaRINET 2 project. The support structure consists in ... -
Hydrodynamics of spike proteins dictate a transport-affinity competition for SARS-CoV-2 and other enveloped viruses
Moreno, N.; Moreno-Chaparro, D.; Balboa, F.; Ellero, M. (2022-12-01)
Many viruses, such as SARS-CoV-2 or Influenza, possess envelopes decorated with surface proteins (a.k.a. spikes). Depending on the virus type, a large variability is present in the surface-proteins number, morphology and ... -
Identification of defects originated during the filling of cast pieces through particles modelling
(2014-12-31)In casting processes, strong recirculation zones may trap air, gases and strip particles of sand off the mold affecting seriously the quality of the cast pieces. Especially during the filling of molten pieces with large ... -
Lagged and instantaneous dynamical influences related to brain structural connectivity
Alonso, C.; Diez, I.; Remaki, L.; Escudero, I.; Mateos, B.; Rosseel, Y.; Marinazzo, D.; Stramaglia, S.; Cortes, J.M. (2015-12-31)
Contemporary neuroimaging methods can shed light on the basis of human neural and cognitive specializations, with important implications for neuroscience and medicine. Indeed, different MRI acquisitions provide different ... -
Layout Optimisation of Wave Energy Converter Arrays
Mercadé Ruiz, P.; Nava, V.; Topper, M.B.R.; Ruiz Minguela, P.; Ferri, F.; Kofoed, J.P. (2017-08-24)
This paper proposes an optimisation strategy for the layout design of wave energy converter (WEC) arrays. Optimal layouts are sought so as to maximise the absorbed power given a minimum q-factor, the minimum distance between ...