• Aucun résultat trouvé

Mixed finite-element method

Numerical analysis of the mixed finite element method for the neutron diffusion eigenproblem with heterogeneous coefficients

Numerical analysis of the mixed finite element method for the neutron diffusion eigenproblem with heterogeneous coefficients

... the finite element approximation of the mixed diffusion equations with a source term, in the case where the solution is of low ...decomposition method. The domain decomposition method ...

34

Numerical analysis of the mixed finite element method for the neutron diffusion eigenproblem with heterogeneous coefficients

Numerical analysis of the mixed finite element method for the neutron diffusion eigenproblem with heterogeneous coefficients

... METHOD FOR THE NEUTRON DIFFUSION EIGENPROBLEM WITH HETEROGENEOUS COEFFICIENTS ...the finite element approximation of the mixed diffusion equations with a source term, in the case where the ...

33

Partitioned finite element method for structured discretization with mixed boundary conditions

Partitioned finite element method for structured discretization with mixed boundary conditions

... Partitioned Finite Element Method (PFEM), Mixed Boundary ...either finite- or infinite-dimensional (van der Schaft and Maschke ...Obtaining finite-dimensional representa- tions ...

7

Mixed-mode crack propagation using a Hybrid Analytical and eXtended finite element method

Mixed-mode crack propagation using a Hybrid Analytical and eXtended finite element method

... 61 Avenue du Pr´ esident Wilson, F-94235 Cachan Cedex, France Abstract A Hybrid Analytical and eXtended finite element method (HAX-FEM) is pro- posed to study the propagation of curved ...

15

Coupling between a Particle In Cell method and a H 1-conform mixed spectral finite element approximation of Maxwell's equations

Coupling between a Particle In Cell method and a H 1-conform mixed spectral finite element approximation of Maxwell's equations

... 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’enseignement et de recherche français ou ...

5

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

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

50

A Composite Hexahedral Mixed Finite Element with Kershaw meshes

A Composite Hexahedral Mixed Finite Element with Kershaw meshes

... Hexahedral Mixed Finite Element with Kershaw meshes 3 1 Introduction We consider the mixed finite element method for hexahedral meshes presented in ...other mixed ...

15

A mixed finite element discretization of dynamical optimal transport

A mixed finite element discretization of dynamical optimal transport

... numerical method proposed in [ 5 ] involves discretizing q and σ by their values on a regular grid, and expressing the constraint on σ via a Lagrange multiplier; then the method can be solved by an ...

25

An explicit dynamics extended finite element method. Part 2: element-by-element Stable-Explicit/Explicit dynamic scheme

An explicit dynamics extended finite element method. Part 2: element-by-element Stable-Explicit/Explicit dynamic scheme

... The last example is based on the experiment of Gr´egoire et al. proposed in [22]. The experimental setup can be observed in Figure 11. It consists of a Split Hopkinson Pressure Bar test rig. The test specimen is made out ...

28

Continuous Interior Penalty Finite Element Method for Oseen's Equations

Continuous Interior Penalty Finite Element Method for Oseen's Equations

... finite element methods, stabilized methods, continuous interior penalty, Oseen’s equations ...finite element methods for the incom- pressible Navier–Stokes equations that are robust and accurate for a wide ...

28

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

Numerical simulation of 3-D flows with a finite element method

Numerical simulation of 3-D flows with a finite element method

... 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] ...

52

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

An optimal order finite element method for elliptic interface problems

An optimal order finite element method for elliptic interface problems

... The finite element approximation (2) is well known to result in poor accuracy, especially in the vicinity of the interface ...fitted finite element ...

2

A 3-D multigrid finite element method for the Euler equations

A 3-D multigrid finite element method for the Euler equations

... 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] ...

20

Enrichment of the contact geometry within the finite element method

Enrichment of the contact geometry within the finite element method

... Newton’s method, often used for this purpose, allows to determine only one projection point (closest to the starting point), that is why the function h e has to be chosen properly in order to avoid multiple ...

9

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

φ-FEM: a finite element method on domains defined by level-sets

φ-FEM: a finite element method on domains defined by level-sets

... with L(v) = − div(A∇v) + v. We use φ-FEM (41) to solve numerically Problem (40) on the domain Ω defined by the level-set function φ given in the polar coordinates (r, θ) by φ(r, θ) = r 4 (5 + 3 sin(7θ + 7π/36))/2 − 0.47 ...

20

A dual domain decomposition method for finite element digital image correlation

A dual domain decomposition method for finite element digital image correlation

... decomposition method should be of great inter- est for the correlation of high definition digital volume images that are out of reach with standard FE DVC approaches [10, ...a method may have also other ...

14

Show all 6064 documents...

Sujets connexes