Browsing by Subject "Computational fluid dynamics"
Now showing items 1-20 of 443
-
205-00718 study for the computational resolution of conservation equations of mass, momentum and energy: possible application to different aeronautical and industrial engineering problems, case 60A
(Universitat Politècnica de Catalunya, 2020-09)
Bachelor thesis
Open Access -
3D modelling of transversal grates comparison of numerical result with experimental data
(Universitat Politècnica de Catalunya, 2017-06)
Master thesis
Restricted access - author's decisionThe full scale (1:1) test platform located at the UPC (Universitat Politècnica de Catalunya) allows us to reproduce the local runoff process and the study of inlet grates or other types of capture systems. Over the last ... -
A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation
(Springer, 2012)
Conference report
Restricted access - publisher's policyAortic Coarctation is a congenital constriction of the aorta that increases blood pressure above the constriction and hinders the flow below it. Based on a 3D surface mesh of a moderate thoracic coarctation, a high quality ... -
A 3D CFD numerical study of the bubble generation process into a bubble Tjunction 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 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part II
(2016)
Conference report
Open AccessThis work is a continuation of the 3D numerical study of the bubble generation process into a T-junction bubble generator (1 mm of internal diameter) obtained with the commercial Computational Fluid Dynamics solver ANSYS ... -
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 CFD-based surrogate model for predicting flow parameters in a ventilated room using sensor readings
(2022-07-01)
Article
Restricted access - publisher's policyIn this work, we develop a computational fluid dynamics (CFD)-based surrogate model, which predicts flow parameters under different geometrical configurations and boundary conditions in a benchmark case of a mechanically ... -
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 contribution to adaptive numerical solution of compressible flow problems
(International Centre for Numerical Methods in Engineering (CIMNE), 1996)
Book
Open AccessThe monograph presents recent developments on the solution of high speed compressible flow problems using finite element and finite point (meshless) methods with adaptive refinement, techniques. This work treats two of the ... -
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 ... -
A General Method to Compute Numerical Dispersion Error
(2021)
Conference report
Open AccessThis article presents a new methodology to compute numerical dispersion error. The analysis here presented is not restricted to uniform structured meshes nor linear discrete operators as it does not rely on sinusoids to ... -
A generic performance analysis technique applied to different CFD methods for HPC
(Taylor & Francis, 2020-07-16)
Article
Open AccessFor complex engineering and scientific applications, Computational Fluid Dynamics (CFD) simulations require a huge amount of computational power. As such, it is of paramount importance to carefully assess the performance ... -
A hierarchical parallel implementation for heterogeneous computing. Application to algebra-based CFD simulations on hybrid supercomputers
(Elsevier, 2021-01)
Article
Restricted access - publisher's policyThe quest for new portable implementations of simulation algorithms is motivated by the increasing variety of computing architectures. Moreover, the hybridization of high-performance computing systems imposes additional ... -
A hybrid meshing framework adapted to the topography to simulate atmospheric boundary layer flows
(Elsevier, 2022)
Article
Restricted access - publisher's policyA new topography adapted mesh generation framework tailored to simulate Atmospheric Boundary Layer (ABL) flows on complex terrains is presented. The mesher is fully automatic given: the maximum and minimum surface mesh ... -
A level-set method for mass transfer in bubble swarms
(2018)
Conference lecture
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
Open AccessThis 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 ... -
A new general method to compute dispersion errors on Cartesian stretched meshes for both linear and non-linear operators
(2022-02-01)
Article
Restricted access - publisher's policyThe present article presents a new analysis for the dispersion error and the methodology to evaluate it numerically. Here we present the spectral properties of several convective schemes, including non-linear ones, on ... -
A new statistical model for subgrid dispersion in large eddy simulations of particle-laden flows
(Institute of Physics (IOP), 2016)
Conference report
Open AccessDispersed multiphase turbulent flows are present in many industrial and commercial applications like internal combustion engines, turbofans, dispersion of contaminants, steam turbines, etc. Therefore, there is a clear interest ...
