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- W2952360445 abstract "The KdV equation can be considered as a special case of the general equation u_{t} + f(u)_{x} - delta g(u_{xx})_x = 0, qquad delta > 0, where f is non-linear and g is linear, namely $f(u)=u^2/2$ and g(v)=v. As the parameter $delta$ tends to 0, the dispersive behavior of the KdV equation has been throughly investigated . We show through numerical evidence that a completely different, dissipative behavior occurs when g is non-linear, namely when g is an even concave function such as $g(v)=-|v|$ or $g(v)=-v^2$. In particular, our numerical results hint that as $delta -> 0$ the solutions converge to the unique entropy solution of the formal limit equation, in total contrast with the solutions of the KdV equation." @default.
- W2952360445 created "2019-06-27" @default.
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- W2952360445 date "1999-11-13" @default.
- W2952360445 modified "2023-09-27" @default.
- W2952360445 title "Dissipative Behavior of Some Fully Non-Linear KdV-Type Equations" @default.
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