کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4641994 1341325 2008 21 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mixed boundary integral methods for Helmholtz transmission problems
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
Mixed boundary integral methods for Helmholtz transmission problems
چکیده انگلیسی

In this paper we propose a hybrid between direct and indirect boundary integral methods to solve a transmission problem for the Helmholtz equation in Lipschitz and smooth domains. We present an exhaustive abstract study of the numerical approximation of the resulting system of boundary integral equations by means of Galerkin methods. Some particular examples of convergent schemes in the smooth case in two dimensions are given. Finally, we extend the results to a thermal scattering problem in a half plane with several obstacles and provide numerical results that illustrate the accuracy of our methods depending on the regularity of the interface.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Computational and Applied Mathematics - Volume 214, Issue 1, 15 April 2008, Pages 238–258
نویسندگان
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