High-Order Perturbation of Surfaces Short Course: Boundary Value Problems
High-Order Perturbation of Surfaces Short Course: Boundary Value Problems
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曲面高阶扰动短期课程:边值问题
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发表时间:
2016
期刊:
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通讯作者:
D. Nicholls
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作者:
D. Nicholls
In this lecture we introduce two classical High-Order Perturbation of Surfaces (HOPS) computational schemes in the simplified context of elliptic boundary value problems inspired by models in water waves. For the problem of computing Dirichlet–Neumann Operators (DNOs) for Laplace’s equation, we outline Bruno & Reitich’s method of Field Expansions (FE) and then describe Milder and Craig & Sulem’s method of Operator Expansions (OE). We further show how these algorithms can be extended to three dimensions and finite depth, and describe how Pade approximation can be used as a method of numerical analytic continuation to realize enhanced performance and applicability through a series of numerical experiments. 1.