A smoothing technique for discrete delta functions with application to immersed boundary method in moving boundary simulations
نویسندگان
چکیده
Article history: Received 18 December 2008 Received in revised form 21 June 2009 Accepted 25 July 2009 Available online 6 August 2009
منابع مشابه
Properties of Discrete Delta Functions and Local Convergence of the Immersed Boundary Method
Many problems involving internal interfaces can be formulated as partial differential equations with singular source terms. Numerical approximation to such problems on a regular grid necessitates suitable regularizations of delta functions. We study the convergence properties of such discretizations for constant coefficient elliptic problems using the immersed boundary method as an example. We ...
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عنوان ژورنال:
- J. Comput. Physics
دوره 228 شماره
صفحات -
تاریخ انتشار 2009