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Chapter
Numerical Simulation of High Frequency Scattering Waves Using Exact Controllability Methods
The main goal of this article is to introduce a novel method for solving the Helmholtz equations from Acoustics and two-dimensional Electro-Magnetics. The key idea of the method is to go back to the original w...
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Chapter and Conference Paper
Wavelet Methods in Computational Fluid Dynamics
We discuss in this paper the numerical solution of boundary value problems for partial differential equations by methods relying on compactly supported wavelet approximations. After defining compactly supporte...
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Chapter and Conference Paper
Boundary controllability problems for the wave and heat equations
The main goal of this note is to discuss in the spirit of the Hilbert Uniqueness Method of J.L. Lions the solution of boundary controllability problems for the wave and heat equations. After a discussion of th...
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Chapter
A Fictitious Domain Method for the Incompressible Navier-Stokes Equations
In this article we briefly discuss a fictitious domain method for the numerical solution of the Navier-Stokes equations modelling incompressible viscous flow. The methodology described here takes a systematic ...
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Chapter and Conference Paper
Vibrations of Euler-Bernoulli Beams with Pointwise Obstacles
In this paper, we discuss the numerical simulation of the vibrations of a beam in the presence of pointwise obstacles. We suppose that these vibrations are modeled by the Euler-Bernoulli equation for linear be...
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Chapter and Conference Paper
Approximation of Zakai equation by the splitting up method
The objective of this article is to apply an operator splitting method to the time integration of Zakaï equation. Using this approach one can decompose the numerical integration into a stochastic step and a de...
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Chapter
Solution of the Compressible Navier-Stokes Equations by Least-Squares and Finite Element Methods
We discuss in this paper two methods for the numerical simulation of compressible viscous flows, associated with two types of mathematical modelling assuming that the total enthalpy is constant (M1) or not (M2).
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Chapter
Presentation of Problems and Discussion of Results
The workshop was organized with the specific purpose to bring together a small number of scientists highly concerned with the numerical solution of the compressible Navier-Stokes equations.
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Chapter
Finite Element Analysis of Laminar Viscous Flow Over a Step by Nonlinear Least Squares and Alternating Direction Methods
We use in this paper a method described in DINH-GLOWINSKIMANTEL-PERIAUX [1], for which we refer for more details for solving the time dependent Navier-Stokes equations for incompressible viscous fluids. This m...
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Chapter and Conference Paper
Approximate Solution of Nonlinear Problems in Incompressible Finite Elasticity
The main goal of this paper is to describe some numerical methods for solving nonlinear variational problems in incompressible finite elasticity.
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Chapter and Conference Paper
On the solution of a class of non linear dirichlet problems by a penalty-duality method and finite elements of order one