• Aucun résultat trouvé

multiscale finite element method

A Priori Error Estimate of a Multiscale Finite Element Method for Transport Modeling

A Priori Error Estimate of a Multiscale Finite Element Method for Transport Modeling

... a multiscale finite element method to solve convection-diffusion problems where both velocity and diffusion coefficient exhibit strong variations at a scale which is much smaller than the ...

35

Finite Element Heterogeneous Multiscale Method for the Wave Equation: Long-Time Effects

Finite Element Heterogeneous Multiscale Method for the Wave Equation: Long-Time Effects

... words. multiscale method, heterogeneous media, numerical homogenization, wave equa- tion, second-order hyperbolic problems, long time behavior, dispersive waves AMS subject ...classical finite ...

30

A finite element heterogeneous multiscale method with improved control over the modeling error

A finite element heterogeneous multiscale method with improved control over the modeling error

... Abstract. Multiscale partial differential equations (PDEs) are difficult to solve by traditional numerical methods due to the need to resolve the small wavelengths in the media over the entire computational ...a ...

26

A multiscale hybrid method for Darcy's problems using mixed finite element local solvers

A multiscale hybrid method for Darcy's problems using mixed finite element local solvers

... Abstract Multiscale Hybrid Mixed (MHM) method refers to a numerical technique targeted to approximate systems of differential equations with strongly varying ...macro element boundaries, and coarse ...

50

A domain coupling method for finite element digital image correlation with mechanical regularization: Application to multiscale measurements and parallel computing

A domain coupling method for finite element digital image correlation with mechanical regularization: Application to multiscale measurements and parallel computing

... is the extension to parallel computing in the context of R-DIC. Since the condensed operator was not positive definite, a GMRES iterative strategy was implemented. In addition, a dedicated preconditioner combining ...

23

Multiscale finite element simulation of forming processes based on crystal plasticity

Multiscale finite element simulation of forming processes based on crystal plasticity

... coupling method along with the associated loading path allows us to follow the strain evolution of the material under roll gap, while the linear loading path method only gives a rough approximation of this ...

10

Novel monolithic stabilized finite element method for fluid-structure interaction

Novel monolithic stabilized finite element method for fluid-structure interaction

... stabilized finite element method for Fluid-Structure Interaction A BSTRACT Numerical simulations of fluid-structure interaction (FSI) are of first interest in numerous industrial problems: ...

196

Continuous Interior Penalty Finite Element Method for Oseen's Equations

Continuous Interior Penalty Finite Element Method for Oseen's Equations

... the method, and we show that the discrete problem has a unique ...present method and variational multiscale methods (VMS) in large eddy simulations ...

28

Robust image registration based on a Partition of Unity Finite Element Method

Robust image registration based on a Partition of Unity Finite Element Method

... The scheme we have just described is integrated in a hi- erarchical environment in order to avoid local minima. We define a dyadic pyramid of PU-configurations. Once the so- lution has been computed at one level, it is ...

4

Enrichment of the contact geometry within the finite element method

Enrichment of the contact geometry within the finite element method

... a multiscale modeling of contact with thin-walled structures with a complex geometry of the surface as well as modeling of contact with a soft bodies with hard coatings ; 2) implicit modeling of anisotropic ...

9

Multiscale finite element simulation of forming processes based on crystal plasticity

Multiscale finite element simulation of forming processes based on crystal plasticity

... a method of indirect coupling between the FE codes Abaqus and LAM3 and the polycrystalline plasticity ...This method consists in performing a preliminary FE calculation, from which the loading history at ...

9

Multiscale finite element modeling of macrosegregation and grain transport

Multiscale finite element modeling of macrosegregation and grain transport

... the finite volume ...cast. Finite element methods, in which modeling can be performed on non-structured meshes, provide a useful tool to treat irregular and complex ...

208

Multiscale finite element methods for advection-diffusion problems

Multiscale finite element methods for advection-diffusion problems

... splitting method as opposed to the other approaches, since that method is potentially the most expensive one of all four in its online ...splitting method correspondingly ...

220

An optimal order finite element method for elliptic interface problems

An optimal order finite element method for elliptic interface problems

... fitted finite element method that we relax by using hybrid finite element techniques on the edges intersected by the ...using finite elements (e.g., [1, 3, 4, 6]) or ...

2

An Energy Stable Monolithic Eulerian Fluid-Structure Finite Element Method

An Energy Stable Monolithic Eulerian Fluid-Structure Finite Element Method

... cially if a semi-smooth Newton method is used for solving the nonlinear system. Now, besides energy stability, an important part of this article is devoted to the numerical implementation, with the following aim: ...

31

Correction of Homogenized Lamination Stacks via a Subproblem Finite Element Method

Correction of Homogenized Lamination Stacks via a Subproblem Finite Element Method

... homogenization method considers the analytical solution of the equations governing the eddy currents in each lamination and averages the actual magnetic flux and current densities along the thickness ...

1

The Perturbation Finite Element Method for Magnetic Modeling of a Loudspeaker

The Perturbation Finite Element Method for Magnetic Modeling of a Loudspeaker

... perturbation finite element method can provide a useful alternative to correct the equivalent magnetic circuits used to model ...classical finite element ...

2

Analysis of complex viscoelastic flows using a finite element method

Analysis of complex viscoelastic flows using a finite element method

... As with the confined flow problem, the flow equations in the DEVSS-G formulation are solved using the Harwell frontal solver. The stress equations are time integrated using the fourth order Runge-Kutta method, an ...

269

High order stabilized finite element method for MHD plasma modeling

High order stabilized finite element method for MHD plasma modeling

... High order stabilized finite element method for MHD plasma modeling.. J Tarcisio-Costa, Boniface Nkonga.[r] ...

28

A Discontinuous finite element method for scalar nonlinear conservation laws

A Discontinuous finite element method for scalar nonlinear conservation laws

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

34

Show all 5609 documents...

Sujets connexes