Numerical simulation of a pulsatile flow through a flexible channel
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 40 (2006) no. 6, pp. 1101-1125.

An algorithm for approximation of an unsteady fluid-structure interaction problem is proposed. The fluid is governed by the Navier-Stokes equations with boundary conditions on pressure, while for the structure a particular plate model is used. The algorithm is based on the modal decomposition and the Newmark Method for the structure and on the Arbitrary lagrangian Eulerian coordinates and the Finite Element Method for the fluid. In this paper, the continuity of the stresses at the interface was treated by the Least Squares Method. At each time step we have to solve an optimization problem which permits us to use moderate time step. This is the main advantage of this approach. In order to solve the optimization problem, we have employed the Broyden, Fletcher, Goldforb, Shano Method where the gradient of the cost function was approached by the Finite Difference Method. Numerical results are presented.

Classification : 74F10,  75D05,  65M60
Mots clés : fluid-structure interaction, Navier-Stokes equations, arbitrary lagrangian eulerian method
     author = {Murea, Cornel Marius},
     title = {Numerical simulation of a pulsatile flow through a flexible channel},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique},
     pages = {1101--1125},
     publisher = {EDP-Sciences},
     volume = {40},
     number = {6},
     year = {2006},
     doi = {10.1051/m2an:2007003},
     mrnumber = {2297106},
     language = {en},
     url = {}
AU  - Murea, Cornel Marius
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JO  - ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
PY  - 2006
DA  - 2006///
SP  - 1101
EP  - 1125
VL  - 40
IS  - 6
PB  - EDP-Sciences
UR  -
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DO  - 10.1051/m2an:2007003
LA  - en
ID  - M2AN_2006__40_6_1101_0
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Murea, Cornel Marius. Numerical simulation of a pulsatile flow through a flexible channel. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 40 (2006) no. 6, pp. 1101-1125. doi : 10.1051/m2an:2007003.

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