kuramoto-sivashinsky方程中时间平均模式的激波结构

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics Pub Date : 2000-12-01 DOI:10.1103/physreve.62.8817

Sakaguchi

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引用次数: 6

摘要

对边界条件固定的Kuramoto-Sivashinsky方程进行了数值研究。在边界值的某些参数范围内，类激波结构以时间平均模式出现。根据激波结构的宽度和高度的关系，估计了有效扩散常数。

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Shock structures in time-averaged patterns for the kuramoto-sivashinsky equation

The Kuramoto-Sivashinsky equation with fixed boundary conditions is numerically studied. Shocklike structures appear in the time-averaged patterns for some parameter range of the boundary values. Effective diffusion constant is estimated from the relation of the width and the height of the shock structures.

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Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

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