Search Results - "Idelsohn, S."
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Unified Lagrangian formulation for elastic solids and incompressible fluids: Application to fluid–structure interaction problems via the PFEM
Published in Computer methods in applied mechanics and engineering (15-03-2008)“…We present a general Lagrangian formulation for treating elastic solids and quasi/fully incompressible fluids in a unified form. The formulation allows to…”
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2
The particle finite element method: a powerful tool to solve incompressible flows with free-surfaces and breaking waves
Published in International journal for numerical methods in engineering (21-10-2004)“…Particle Methods are those in which the problem is represented by a discrete number of particles. Each particle moves accordingly with its own mass and the…”
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3
A monolithic Lagrangian approach for fluid–structure interaction problems
Published in Computational mechanics (01-11-2010)“…Current work presents a monolithic method for the solution of fluid–structure interaction problems involving flexible structures and free-surface flows. The…”
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4
A unified monolithic approach for multi-fluid flows and fluid–structure interaction using the Particle Finite Element Method with fixed mesh
Published in Computational mechanics (01-06-2015)“…This paper describes a strategy to solve multi-fluid and fluid–structure interaction (FSI) problems using Lagrangian particles combined with a fixed finite…”
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5
Improving mass conservation in simulation of incompressible flows
Published in International journal for numerical methods in engineering (22-06-2012)“…SUMMARY We propose a technique for improving mass‐conservation features of fractional step schemes applied to incompressible flows. The method is illustrated…”
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6
Fluid-structure interaction problems with strong added-mass effect
Published in International journal for numerical methods in engineering (03-12-2009)“…In this paper, the so‐called added‐mass effect is investigated from a different point of view of previous publications. The monolithic fluid–structure problem…”
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A coupled PFEM–Eulerian approach for the solution of porous FSI problems
Published in Computational mechanics (01-12-2012)“…This paper aims to present a coupled solution strategy for the problem of seepage through a rockfill dam taking into account the free-surface flow within the…”
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Sediment transport problems by the particle finite element method (PFEM)
Published in Computational particle mechanics (2020)“…This paper presents a particle finite element model for the numerical simulation of sediment transport problems. Fluid motion and sediment motion are coupled…”
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Interaction between an elastic structure and free-surface flows: experimental versus numerical comparisons using the PFEM
Published in Computational mechanics (01-12-2008)“…The paper aims to introduce new fluid–structure interaction (FSI) tests to compare experimental results with numerical ones. The examples have been chosen for…”
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OpenCL-based implementation of an unstructured edge-based finite element convection-diffusion solver on graphics hardware
Published in International journal for numerical methods in engineering (30-03-2012)“…SUMMARY The solution of problems in computational fluid dynamics (CFD) represents a classical field for the application of advanced numerical methods. Many…”
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Combined Eulerian-PFEM approach for analysis of polymers in fire situations
Published in International journal for numerical methods in engineering (30-11-2012)“…SUMMARY In this paper, we present a computational algorithm for solving an important practical problem, namely, the thermoplastic polymer melting under fire…”
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A FINITE POINT METHOD IN COMPUTATIONAL MECHANICS. APPLICATIONS TO CONVECTIVE TRANSPORT AND FLUID FLOW
Published in International journal for numerical methods in engineering (30-11-1996)“…The paper presents a fully meshless procedure fo solving partial differential equations. The approach termed generically the ‘finite point method’ is based on…”
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Particle finite element method in fluid-mechanics including thermal convection-diffusion
Published in Computers & structures (01-06-2005)“…A method is presented for the solution of an incompressible viscous fluid flow with heat transfer using a fully Lagrangian description of the motion. Due to…”
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Journal Article Conference Proceeding -
14
Advances in the simulation of multi-fluid flows with the particle finite element method. Application to bubble dynamics
Published in International journal for numerical methods in fluids (20-12-2011)“…In 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…”
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Validation of the particle finite element method (PFEM) for simulation of free surface flows
Published in Engineering computations (01-01-2008)“…Purpose - The purpose of this paper is to evaluate the possibilities of the particle finite element method for simulation of free surface flows.Design…”
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16
Fast fluid–structure interaction simulations using a displacement-based finite element model equipped with an explicit streamline integration prediction
Published in Computer methods in applied mechanics and engineering (01-03-2017)“…We propose here a displacement-based updated Lagrangian fluid model developed to facilitate a monolithic coupling with a wide range of structural elements…”
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A Lagrangian meshless finite element method applied to fluid–structure interaction problems
Published in Computers & structures (01-05-2003)“…A method is presented for the solution of the incompressible fluid flow equations using a Lagrangian formulation. The interpolation functions are those used in…”
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18
Finite calculus formulations for finite element analysis of incompressible flows. Eulerian, ALE and Lagrangian approaches
Published in Computer methods in applied mechanics and engineering (01-04-2006)“…We present a general formulation for incompressible fluid flow analysis using the finite element method (FEM). The standard Eulerian formulation is described…”
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A stabilized finite point method for analysis of fluid mechanics problems
Published in Computer methods in applied mechanics and engineering (01-12-1996)“…In this paper a meshless procedure termed ‘the finite point method’ for solving convection-diffusion and fluid flow type problems is presented. The method is…”
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20
The violation of objectivity in Laplace formulations of the Navier-Stokes equations
Published in International journal for numerical methods in fluids (30-06-2007)“…The Navier–Stokes equations written in Laplace form are often the starting point of many numerical methods for the simulation of viscous flows. Imposing the…”
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Journal Article Conference Proceeding