Exploració per tema "Classificació AMS::76 Fluid mechanics::76D Incompressible viscous fluids"
Ara es mostren els items 1-17 de 17
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A numerical method for computing unstable quasi-periodic solutions for the 2-D Poiseuille flow
(1999)
Article
Accés obert -
A stabilized finite element method for incompressible viscous flows using a finite increment calculus formulation
(1999-02)
Report de recerca
Accés obertA stabilized finite element formulation for incompressible viscous flows is derived. The starting point are the modified Navier-Stokes equations incorporating naturally the necessary stabilization terms via a finite increment ... -
A stabilized formulation with maximum entropy meshfree approximants for viscoplastic flow simulation in metal forming
(2015-07-01)
Article
Accés obertThe finite element method is the reference technique in the simulation of metal forming and provides excellent results with both Eulerian and Lagrangian implementations. The latter approach is more natural and direct but ... -
A superconvergent HDG method for stokes flow with strongly enforced symmetry of the stress tensor
(2018-12)
Article
Accés obertThis work proposes a superconvergent hybridizable discontinuous Galerkin (HDG) method for the approximation of the Cauchy formulation of the Stokes equation using same degree of polynomials for the primal and mixed variables. ... -
An implicit finite-element model for 3D non-hydrostatic mesoscale ocean flows
(2004)
Article
Accés obertWe present in this paper a pressure stabilized, finite element method for the numerical approximation of three-dimensional, non-hydrostatic mesoscale ocean flows. The model considered here incorporates surface wind ... -
Approximation of the thermally coupled MHD problem using a stabilized finite element method
(2009-09-28)
Article
Accés obertA numerical formulation to solve the MHD problem with thermal coupling is presented in full detail. The distinctive feature of the method is the design of the stabilization terms, which serve several purposes. First, ... -
Error estimates for a viscosity-splitting, finite element method for the incompressible Navier-Stokes equations
(2000)
Article
Accés obert -
Fast solution of parametric incompressible flow problems with application to microfluidics
(Universitat Politècnica de Catalunya, 2020-10)
Projecte Final de Màster Oficial
Accés obertThe process of design in computational fluid dynamics often involves queries to a similar set of problems, which may be viewed together as a single problem with parametrized data. These parameters can be seen as extra ... -
Finite element approximation of 3D non-hydrostatic turbulent coastal ocean flows using a LES model
(2008-01-07)
Article
Accés obertIn this paper we present a stabilized finite element method for three-dimensional, non-hydrostatic, turbulent coastal ocean flows. The model we have developed, named HELIKE, incorporates also surface wind stress, bottom ... -
HI-FI Hybridisable Discontinuous Galerkin method for incompressible flows
(Universitat Politècnica de Catalunya, 2017-07)
Projecte Final de Màster Oficial
Accés obertThe increasing interest in high-order discretization techniques for CFD applications is motivated by the high accuracy that these methods provide compared to low-order methods. In this project, the hybridizable discontinuous ... -
Parametric solutions of turbulent incompressible flows in OpenFOAM via the proper generalised decomposition
(Elsevier, 2022-01-15)
Article
Accés obertAn a priori reduced order method based on the proper generalised decomposition (PGD) is proposed to compute parametric solutions involving turbulent incompressible flows of interest in an industrial context, using OpenFOAM. ... -
Rotation-free triangular plate and shell elements
(1999-03)
Report de recerca
Accés obertThe paper describes how the finite element method and the finite volume method can be successfully combined to derive two new families of thin plate and shell triangles with translational degrees of freedom as the only ... -
Space and time error estimates for a first order, pressure stabilized finite element method for the incompressible Navier-Stokes equations
(1999)
Article
Accés obertIn this paper we analyse a pressure stabilized, finite element method for the unsteady, incompressible Navier-Stokes equations in primitive variables; for the time discretization we focus on a fully implicit, monolithic ... -
Unstable manifolds computation for the 2-D plane Poiseuille flow
(2003)
Article
Accés obertWe follow the unstable manifold of periodic and quasi-periodic solutions for the Poiseuille problem, using two formulations: holding constant flux or mean pressure gradient. By means of a numerical integrator of the ... -
Unstable manifolds computation for the two-dimensional plane Poiseuille flow
(2003)
Article
Accés obertIn this work we study some aspects of the dynamics of the plane Poiseuille problem in dimension 2, in what refers to the connection among different configurations of the flow. The fluid is confined in a channel of plane ... -
Unstable manifolds computation for the two-dimensional plane Poiseuille flow
(2003)
Article
Accés obert -
Viscous damage model for Timoshenko beam structures
(1995-12)
Report de recerca
Accés obertA local damage constitutive model based on Kachanov’s theory is used within a finite element frame and applied to the case of 2D and 3D Timoshenko beam elements. The model takes into account viscous effects, thus allowing ...