Browsing by Subject "Dinàmica de fluids computacional"
Now showing items 1-20 of 134
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A 3D numerical study of the bubble generation process into a bubble T-junction generator and its comparison with experimental data: part I
(2016)
Conference report
Open AccessThis work presents a 3D numerical study of the bubble generation process into a bubble generator obtained with the commercial Computational Fluid Dynamics solver ANSYS Fluent v15.0.7, and its comparison with experimental ... -
A Chimera method for the incompressible Navier-Stokes equations
(2014-05-30)
Article
Restricted access - publisher's policyThe Chimera method was developed three decades ago as a meshing simplification tool. Different components are meshed independently and then glued together using a domain decomposition technique to couple the equations ... -
A computational fluid dynamics study on hemodynamics for different locations of the distal anastomosis of a bypass nearby a collateral vessel in the femoropopliteal area
(John Wiley & Sons, Ltd, 2014-06-24)
Article
Restricted access - publisher's policyRevascularization of the femoropopliteal sector is often performed by the placement of a bypass. In this paper, we have studied the effects of hemodynamics on patency of the bypass for different positions of the distal ... -
A coupled volume-of-fluid/level-set method for simulation of two-phase flows in unstructured meshes
(Elsevier, 2016-01)
Article
Open AccessThis paper presents a methodology for simulation of two-phase flows with surface tension in the framework of unstructured meshes, which combines volume-of-fluid with level-set methods. While the volume-of-fluid transport ... -
Active Aerodynamics applied on the Arcfox-GT Supercar
(Universitat Politècnica de Catalunya, 2019-07-23)
Bachelor thesis
Restricted access - author's decisionIn this project an aerodynamic study is developed on a supercar, integrating different aerodynamic elements from the active aerodynamics. The model where this innovating technology is applied is the ArcFox-GT, a Chinese ... -
Active flow control on SD7003 airfoil using synthetic jets
(2019)
Conference report
Restricted access - publisher's policyThe present paper focuses on applying the Active Flow Control (AFC) technology on the Selig-Donovan 7003 (SD7003) airfoil at Reynolds number 60,000, the idea is to employ synthetic jets in order to modify the lift and drag ... -
Advanced methodology for wind resource assessment near hydroelectric dams in complex mountainous areas
(2019-11-05)
Article
Restricted access - publisher's policyTo increase renewable energy generation in some hydroelectric dams, a solution consisting in installing wind turbines close to dams is proposed. Indeed, dam surroundings are prone to benefit from wind speed-up effect, extra ... -
Aerodynamical study of a photovoltaic solar tracker
(Universitat Politècnica de Catalunya, 2016-04-29)
Bachelor thesis
Open AccessState of the art. Literature review about CFD applied to solar panels. Analytic approach of the problem. Application of CFD analysis. Validation of the results. Discussion of the results. Improvements proposal. -
A finite point method for compressible flow
(John Wiley & sons, 2002-03)
Article
Open AccessA weighted least squares finite point method for compressible flow is formulated. Starting from a global cloud of points, local clouds are constructed using a Delaunay technique with a series of tests for the quality of ... -
Air distribution in street canyons: a CFD study
(Universitat Politècnica de Catalunya, 2019-06-10)
Bachelor thesis
Open AccessHeat island effect and air quality are major issues in big cities and the shape ofthe street canyons is directly related with these problems. The only presence the buildings modifies the temperature in their surroundings ... -
Algebraic implementation of a flux limiter for heterogeneous computing
(2018)
Conference report
Restricted access - publisher's policy -
A load balancing method for parallel genetic CFD optimizations
(2015)
Conference report
Restricted access - publisher's policyCFD optimizations are characterized by long and highly variable objective function evaluation times. The aim of this study is to improve the parallel performance using a new load balancing master-worker parallelization ... -
A modified Finite Element formulation for the imposition of the slip boundary condition over embedded volumeless geometries
(2019-08)
Article
Restricted access - publisher's policyThis work describes a novel formulation for the simulation of Navier–Stokes problems including embedded objects. The new proposal is based on the use of a modified finite element space, which replaces the standard one ... -
A multi-method approach towards understanding the pathophysiology of aortic dissections – the complementary role of in-silico, in-vitro and in-vivo information
(Springer, 2010)
Part of book or chapter of book
Restricted access - publisher's policyManagement and follow-up of chronic aortic dissections continues to be a clinical challenge due to progressive aortic dilatation. To predict dilatation, guidelines suggest follow-up of the aortic diameter. However, dilatation ... -
Anàlisi numèric mitjançant OpenFOAM d’un tractament tèrmic
(Universitat Politècnica de Catalunya, 2015-10)
Master thesis (pre-Bologna period)
Open AccessAquest treball pretén aprofundir en l’ús del programari lliure OpenFOAM com a eina útil i versàtil de simulació per Dinàmica de Fluids Computacional; tot centrant-se en l’àmbit de la transferència de calor i les diferents ... -
An efficient Two-Layer wall model for accurate numerical simulations of aeronautical applications
(2019)
Conference report
Open AccessTwo-Layer wall models have been widely studied since they allow wall modeled Large Eddy Simulationsof general non-equilibrium flows. However, they are plagued by two persistent problems, the "log-layermismatch" and the ... -
An efficient two-layer wall model for high Reynolds number large eddy simulation
(International Centre for Numerical Methods in Engineering (CIMNE), 2018)
Conference report
Restricted access - publisher's policyWall-bounded flows at high Reynolds number are an important research field given that they are present in many important industrial applications. Nonetheless, the use of accurate numerical methodologies such as Large Eddy ... -
An immersed boundary method to conjugate heat transfer problems in complex geometries. Application to an automotive antenna
(2019-02-05)
Article
Restricted access - publisher's policyConsidering that the most common reason for electronic component failure is the excessive temperature level, an efficient thermal management design can prolong the operating life of the equipment, while also increasing its ... -
An OpenCL-based parallel CFD code for simulations on hybrid systems with massively-parallel accelerators
(Elsevier, 2013)
Conference report
Open AccessA parallel finite-volume CFD algorithm for modeling of incompressible flows on hybrid supercomputers is presented. It is based on a symmetry-preserving high-order numerical scheme for structured meshes. A multilevel ... -
A numerical study of liquid atomization regimes by means of conservative level-set simulations
(Elsevier, 2019-01-30)
Article
Restricted access - publisher's policyIn this work, a conservative level-set finite-volume solver for interface-capturing is employed to perform the direct numerical simulation of Liquid Jets discharging into a quiescent air chamber. The scope is to propose a ...
