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Preface Issue 2-2013

机译:前言第2-2013期

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摘要

"Curvature driven interface evolution" is one of the major current themes in the numerics resp. the numerical analysis resp. the analytical theory of partial differential equations. It is particularly attractive due to numerous physical applications on the one hand and due to close relations to differential geometry on the other hand. Harald Garcke gives a survey on the most important topics in this research area. Among these are modeis for crystal growth of snow flakes, melting ice in water or grain coarsening (aging) in two-phase mixtures: Stefan problem, Mullins-Sekerka-problem and variants. Moreover, the mean curvature and surface diffusion flow are covered as well as phase field modeis like the Allen-Cahn and Cahn-Hilliard equation. In the latter sharp classical interfaces are replaced by interfacial regions. All of these modeis are introduced, their physical applicability as well as their main properties are explained and they are illustrated by means of numerical simulations. The present survey will certainly prove to be a very helpful reference work for anybody working on resp. interested in these kinds of modeis.
机译:“曲率驱动的界面演变”是数字响应中当前的主要主题之一。数值分析偏微分方程的解析理论。一方面由于大量的物理应用,另一方面由于与微分几何的密切关系,它特别具有吸引力。 Harald Garcke就该研究领域中最重要的主题进行了调查。其中包括雪花晶体生长,水中冰融化或两相混合物中的颗粒粗化(老化)的适度模式:斯特凡(Stefan)问题,穆林斯-塞克(Mullins-Sekerka)问题和变体。此外,覆盖了平均曲率和表面扩散流,以及像Allen-Cahn和Cahn-Hilliard方程一样的相场模。在后者中,尖锐的经典界面被界面区域取代。介绍了所有这些模式,解释了它们的物理适用性及其主要属性,并通过数值模拟对其进行了说明。对于从事resp的任何人来说,本调查无疑将是非常有用的参考工作。对这种方式感兴趣。

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