Browsing by Author "Idelsohn Barg, Sergio Rodolfo"
Now showing items 1-20 of 72
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A compressible Lagrangian framework for the simulation of the underwater implosion of large air bubbles
(2013-03)
Article
Restricted access - publisher's policyA fully Lagrangian compressible numerical framework for the simulation of underwater implosion of a large air bubble is presented. Both air and water are considered compressible and the equations for the Lagrangian shock ... -
A compressible Lagrangian framework for the simulation of underwater implosion problems
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
Book
Restricted access - publisher's policyThe development of efficient algorithms to understand implosion dynamics presents a number of challenges. The foremost challenge is to efficiently represent the coupled compressible fluid dynamics of internal air and ... -
Advances in the particle finite element method (PFEM) for solving coupled problems in engineering
(Springer, 2011)
Part of book or chapter of book
Restricted access - publisher's policyWe present some developments in the formulation of the Particle Finite Element Method (PFEM) for analysis of complex coupled problems on fluid and solid mechanics in engineering accounting for fluid-structure interaction ... -
Advances in the simulation of multi-fluid flows with the Particle Finite Element Method: application to bubble dynamics
(2010)
External research report
Open AccessIn this work we extend the Particle Finite Element Method (PFEM) to multi-fluid flow problems with the aim of exploiting the fact that Lagrangian methods are specially well suited for tracking interfaces. We develop a ... -
Advances in the simulation of multi-fluid flows with the particle finite element method. Application to bubble dynamics
(2011-12)
Article
Restricted access - publisher's policyIn this work, we extend the Particle Finite Element Method (PFEM) to multi-fluid flow problems with the aim of exploiting the fact that Lagrangian methods are specially well suited for tracking interfaces. We develop a ... -
A fast and accurate method to solve the incompressible Navier-Stokes equations
(2013-02)
Article
Restricted access - publisher's policyPurpose: The purpose of this paper is to highlight the possibilities of a novel Lagrangian formulation in dealing with the solution of the incompressible Navier-Stokes equations with very large time steps. Design/meth ... -
A finite point method for adaptive three-dimensional compressible flow calculation
(2008-10)
External research report
Open AccessThe Finite Point Method (FPM) is a meshless technique which is based on both, a Weighted Least-Squares numerical approximation on local clouds of points and a collocation technique which allows obtaining the discrete system ... -
A finite point method for adaptive-three-dimensional compressible flow calculations
(2009-07-30)
Article
Open AccessThe finite point method (FPM) is a meshless technique, which is based on both, a weighted least-squares numerical approximation on local clouds of points and a collocation technique which allows obtaining the discrete ... -
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 finite point method for three-dimensional compressible flow
(2007-09)
External research report
Open Access -
A general stabilized formulation for incompressible fluid flow using finite calculus and the finite element method
(CIMNE, 2003-11)
Part of book or chapter of book
Restricted access - publisher's policyWe present a general formulation for incompressible fluid flow analysis using the finite element method (FEM). The necessary stabilization for dealing with convective effects and the incompressibility condition are introduced ... -
A general stabilized formulation for incompressible fluid flow using finite calculus and the finite element method
(2003-03)
External research report
Open AccessWe present a general formulation for incompressible fluid flow analysis using the finite element method (FEM). The necessary stabilization for dealing with convective effects and the incompressibility condition are introduced ... -
A meshless finite point method for the three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
(2013-10)
Article
Restricted access - publisher's policyA finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ... -
A meshless finite point method for three dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
(2013-10)
Article
Restricted access - publisher's policyA finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ... -
A meshless finite point method for three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
(2013-10)
Article
Open AccessA finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ... -
A monolithic Lagrangian approach for fluid-structure interaction problems
(2010-11)
Article
Restricted access - publisher's policyCurrent work presents a monolithic method for the solution of fluid–structure interaction problems involving flexible structures and free-surface flows. The technique presented is based upon the utilization of a Lagrangian ... -
Analysis of fluid soil-structure interaction problems with the particle finite element method (PFEM)
(2012)
External research report
Open AccessWe present some developments in the Particle Finite Element Method (PFEM) for analysis of coupled problems in mechanics involving fluid-soil-structure interaction (FSSI). The PFEM uses an updated Lagrangian description to ... -
An improved enrichment method for weak discontinuities for thermal problems
(2017-07)
Article
Restricted access - publisher's policyThe purpose of this paper is to propose a new elemental enrichment technique to improve the accuracy of the simulations of thermal problems containing weak discontinuities. Design/methodology/approach - The enrichment is ... -
Aplicación de los métodos {alfa} de integración temporal al problema de transmisión del calor con cambio de fase
(Centro Internacional de Métodos Numéricos en Ingeniería, 1991)
Article
Open AccessEn trabajos recientes se han propuesto un método de dominio fijo y sin paramétros de regularización para tratar el problema de transmisión del calor con cambio de fase. En este trabajo se estudia la aplicación de la familia ... -
A portable OpenCL-based unstructured edge-based Finite Element Navier-Stokes solver on graphics hardware
(Elsevier, 2013-07)
Article
Open AccessThe rise of GPUs in modern high-performance systems increases the interest in porting portion of codes to such hardware. The current paper aims to explore the performance of a portable state-of-the-art FE solver on GPU ...
