**
An Impulse-based Approximation of Fluid Motion Due to Boundary Forces
**

(R. Cortez)
#### Abstract

The motion of an incompressible, inviscid fluid in a region surrounded
by a massless, elastic membrane can be approximated by transmitting the
effect of the boundary forces to the fluid through vortex dipoles. We
present a Lagrangian numerical method for approximating this motion based
on the impulse (a.k.a. magnetization) variables introduced by Buttke.
In particular, we explain the correspondence between
impulse variables and vortex dipoles with a prescribed dipole moment.
Numerical examples that illustrate the application of impulse variables
in this context are given.

* J. Comput. Phys., v. ***123** (1996), pp. 341-353

**LaTeX Bibliography:**

@article{Cortez1996,
author = {Ricardo Cortez},
title = {An impulse-based approximation of fluid
motion due to boundary forces},
journal = {J. Comput. Phys.},
volume = {123},
number = {2},
month = {Feb.},
year = {1996},
pages = {341--353}
}

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