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A free boundary problem of wave equation (Free Boundary Problems)

open access: yesA free boundary problem of wave equation (Free Boundary Problems)
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Stability of free boundaries

Nonlinear Analysis: Theory, Methods & Applications, 1988
Unilaterale Probleme für nichtlineare elliptische Operatoren A-G werden betrachtet, wobei A ein linearer Operator (nicht in Divergenzform) und G ein Nemytskioperator mit quadratischem Wachstum im Gradienten ist.
M. G. Garroni, VIVALDI, Maria Agostina
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Free Boundary Problem

SIAM Journal on Mathematical Analysis, 1974
Let $\mathcal{D}$ be a doubly connected region in the complex plane limited by the infinite point and a convex set $\Gamma $. If $\lambda > 0$, then we study the existence, uniqueness and geometry of annuli $\omega \subset \mathcal{D}$ having $\Gamma $ as one boundary component and another boundary component $\gamma $, such that there exists a harmonic
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Free-boundary high-beta tokamaks. I. Free-boundary equilibrium

The Physics of Fluids, 1982
The free-boundary problem of a sharp-boundary high-β tokamak plasma inside a conducting shell is solved. This problem is reduced to solving Laplace’s equation on a domain with an unknown inner boundary. Centering this boundary with respect to the center of the shell is effected by means of a Moebius transformation which facilitates the use of the fast ...
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Convection-free boundary sedimentation

Analytical Biochemistry, 1972
Abstract A simple technique is described that prevents the occurrence of convective flows in boundary sedimentation experiments. Superimposed density gradients employed as in band centrifugation are evaluated quantitatively. The usefulness of the method is demonstrated by comparison of stabilized and nonstabilized experiments run under identical ...
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