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Dans ce travail, on propose une formulation variationnelle du problème de contact en grandes transformations avec frottement de Coulomb. Il s’agit d’une. This work is a continuation of [1]. We give a space‐time variational formula to the problem of the scattered acoutic wave by a hard body, using the double layer. L’objet de cette th`ese est l’étude d’une méthode variationnelle en mécanique de la rupture, proposée par G.A. Francfort et J.-J. Marigo. Dans cette formulation.

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We give here a variational formulation in of the exterior Neumann problem for the Laplace operator using a double layer potential.

Principe du maximum discret et formulation variationnelle de l’équation du transport

In this paper we study a coupling of the Ultra-Weak Variational Formulation UWVFa volume based method using plane wave basis functions, and an integral representation of the unknown field to obtain an exact artificial boundary condition. More precisely, we detail the study of the complexity of the new algorithm considering a 1-level vagiationnelle multilevel Fast Multipole Method.


Numerical solution of an exterior Neumann problem using a double layer potential. Volume based methods have the drawback of needing an artificial boundary far from the obstacle.

A— French. MRhttps: Translated from the Russian. MR [9] Jacques L.

Current usage metrics About article metrics Return to article. MR [16] P. Data correspond to usage on the plateform after The current usage metrics is available hours after online publication and is updated daily on week days. MikhlinMathematical physics, an advanced courseWith appendices by V.

This formulation is then applied to the construction of a finite element method. Rouge 7no. MR [2] P. MR [10] J. Optimal error estimates are given. Integral formulations enable one to avoid this difficulty by solving a problem on the surface of the obstacle, but imply dense systems with bad condition numbers.

Many different methods have been developed for the solution of the time-harmonic Maxwell equations in exterior domains at high frequency. MR [13] S. Article Abstract PDF Initial download of the metrics may take a while. References [Enhancements On Off] What’s this?

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Padova 46— French. M2AN 47 Metrics Show article metrics.

LynessApplications of extrapolation techniques to multidimensional quadrature of some integrand functions with a singularityJ. Previous article Next article. Studies in Mathematics and its Applications, Vol. R-3, — French, with Loose English summary.

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MR [7] George C. The second, expanded and revised, edition of The finite element method in structural and continuum mechanics. WendlandA finite element method for some integral equations of the first kindJ.