Variational Procedure of Deriving Diffusion Equation for Spreading in Porous Media

• 作者: Kira Logvinova
• 来源期刊: 应用数学(英文)
• 学科: 数学
• 关键词: DIFFUSION EQUATIONS HETEROGENEOUS Media VARIATIONAL Method
• 年，卷（期）: 2013,（10）
• 页码范围: 1412-1416
• 页数: 5页
• 分类号: O1

摘要

We proposed the mathematical model and concrete example of how to use the notion of functional derivatives in order to arrive at a macroscopic equation for dispersion in disordered media. In the sake of simplicity, we considered the case of random process being a Gaussian process.