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Haut PDF An analysis of the B.P.M. approximation of the Helmholtz equation

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An analysis of the B.P.M. approximation of the Helmholtz equation

An analysis of the B.P.M. approximation of the Helmholtz equation

... 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] ... Voir le document complet

26

Fourier-based numerical approximation of the Weertman equation for moving dislocations

Fourier-based numerical approximation of the Weertman equation for moving dislocations

... study the Weertman equation, and discuss both the uniqueness of its solution and its interpretation as the long-time limit of the dynamical system ( 6 ...asymptotes ... Voir le document complet

22

Optimal filtration for the approximation of boundary controls for the one-dimensional wave equation

Optimal filtration for the approximation of boundary controls for the one-dimensional wave equation

... range the behavior is of polynomial type in ...are of course very specific to the case of the wave equation discretized using the finite-difference method ... Voir le document complet

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A study of the Numerical Dispersion for the Continuous Galerkin discretization of the one-dimensional Helmholtz equation

A study of the Numerical Dispersion for the Continuous Galerkin discretization of the one-dimensional Helmholtz equation

... 3. The slopes of each curve are approximately twice the discretization order, as predicted by the asymptotics ...quantize the numerical dispersion associated with continuous Galerkin ... Voir le document complet

77

Reconstruction of solutions to the Helmholtz equation from punctual measurements

Reconstruction of solutions to the Helmholtz equation from punctual measurements

... u the least square approximation of u thresholded such that |˜ u| ≤ M ...that the slowest K(m) increases, the largest m can be, allowing a better ...reconstruction. The choice ... Voir le document complet

5

Exponentially convergent non overlapping domain decomposition methods for the Helmholtz equation

Exponentially convergent non overlapping domain decomposition methods for the Helmholtz equation

... class of such operators in the form of integral ...reduce the numerical cost of these integral oper- ators, we show that a truncation process can be applied that preserves all ... Voir le document complet

37

Analysis of a Sugimoto's model of nonlinear acoustics in an array of Helmholtz resonators

Analysis of a Sugimoto's model of nonlinear acoustics in an array of Helmholtz resonators

... Formation of singularities. In the case of large data, we prove sufficient conditions for the breakdown of regular solutions in finite ...purpose, the 2 × 2 system (1.1) is first ... Voir le document complet

21

Sampling and reconstruction of solutions to the Helmholtz equation

Sampling and reconstruction of solutions to the Helmholtz equation

... for the proposed method, using GCV and optimal value of ...While the results obtained here inform us on the importance of sampling on the border of the considered ... Voir le document complet

24

AN ANALYSIS OF HIGHER ORDER BOUNDARY CONDITIONS FOR THE WAVE EQUATION

AN ANALYSIS OF HIGHER ORDER BOUNDARY CONDITIONS FOR THE WAVE EQUATION

... particular the application to other wave equations) of the Engquist–Majda ...here an exhaustive bibliography, and we will refer the reader to recent review papers on the subject ... Voir le document complet

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The phase retrieval problem for solutions of the Helmholtz equation

The phase retrieval problem for solutions of the Helmholtz equation

... [CSV] E. J. Cand` es, T. Strohmer and V. Voroninski PhaseLift: exact and stable signal recovery from magnitude measurements via convex programming. Comm. Pure and Appl. Math. 66 (2013), 1241–1274. [FD] F. Feng & D. ... Voir le document complet

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On the derivation of guaranteed and p-robust a posteriori error estimates for the Helmholtz equation

On the derivation of guaranteed and p-robust a posteriori error estimates for the Helmholtz equation

... FOR THE HELMHOLTZ EQUATION ? ...discretizations of two- and three-dimensional Helmholtz problems. The estimator is based on an equilibrated flux that is computed by ... Voir le document complet

42

A Symmetric Trefftz-DG Formulation based on a Local Boundary Element Method for the Solution of the Helmholtz Equation

A Symmetric Trefftz-DG Formulation based on a Local Boundary Element Method for the Solution of the Helmholtz Equation

... lation of the orresponding boundary-value ...follows the path devised in [4℄ (see also [37, ...when the penalty terms enfor - ing the ontinuity of the normal tra es ... Voir le document complet

35

Generalized Combined Field Integral Equations for the iterative solution of the three-dimensional Helmholtz equation

Generalized Combined Field Integral Equations for the iterative solution of the three-dimensional Helmholtz equation

... integral equation based on the use of the Dirichlet-Neumann (DN) and Neumann- Dirichlet (ND) ...from the ideas developed in [7]. In section 4, we build an efficient and simple ... Voir le document complet

22

Semiclassical measure for the solution of the dissipative Helmholtz equation

Semiclassical measure for the solution of the dissipative Helmholtz equation

... use the point of view of ...considers the case of a source which concentrates on one or two points (with V1 6= 0) using a time-dependant method based on a BKW approximation ... Voir le document complet

44

Measurements of the Decays $B^0 \to \bar{D}^0p\bar{p}$, $B^0 \to \bar{D}^{*0}p\bar{p}$, $B^0 \to D^{-}p\bar{p}\pi^+$, and $B^0 \to D^{*-}p\bar{p}\pi^+$

Measurements of the Decays $B^0 \to \bar{D}^0p\bar{p}$, $B^0 \to \bar{D}^{*0}p\bar{p}$, $B^0 \to D^{-}p\bar{p}\pi^+$, and $B^0 \to D^{*-}p\bar{p}\pi^+$

... Since the branching fractions of multi-body decays are large [6], it is natural to ask whether such final states are actually the products of intermediate two- body ...is the case, then ... Voir le document complet

9

Patterns of deformations of P 3 and P 4 breathers solutions to the NLS equation

Patterns of deformations of P 3 and P 4 breathers solutions to the NLS equation

... patterns of mo- dulus of solutions to the NLS focusing equation in the (x, t) ...at the same time for hydrodynamics as well for non- linear optics; many applications in these ... Voir le document complet

11

On the role of the range of dispersal in a nonlocal Fisher-KPP equation: an asymptotic analysis

On the role of the range of dispersal in a nonlocal Fisher-KPP equation: an asymptotic analysis

... measure of the range of ...about the meaning of ( 1.3 ). The key idea behind this model relies on the notion of dispersal budget (introduced in [ 25 ...that ... Voir le document complet

21

Measurement of the Branching Fractions of the Decays $\bar{B}^{0} \to \Lambda_{c}^{+} \bar{p}$ and $B^{-} \to \Lambda_{c}^{+} \bar{p} \pi^{-}$

Measurement of the Branching Fractions of the Decays $\bar{B}^{0} \to \Lambda_{c}^{+} \bar{p}$ and $B^{-} \to \Lambda_{c}^{+} \bar{p} \pi^{-}$

... baryonic B decays are experimentally accessible and provide a way to check predictions given by various theoretical models for exclusive baryonic B ...in the suppression of the two-body ... Voir le document complet

18

Coupling of Fast Multipole Method and Microlocal Discretization for the 3-D Helmholtz Equation

Coupling of Fast Multipole Method and Microlocal Discretization for the 3-D Helmholtz Equation

... 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] ... Voir le document complet

30

Effect of the inverse Langevin approximation on the solution of the Fokker-Planck equation of non-linear dilute polymer

Effect of the inverse Langevin approximation on the solution of the Fokker-Planck equation of non-linear dilute polymer

... is the total number of nodes, N i are compact support shape functions for each node i ...take the value 1 for the node i and vanish for all other nodes (see for example [9] for more ...to ... Voir le document complet

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