Zhilin Li & Yun-Qiu Shen
Abstract:
In 1993, Li and Mayo [3] gave a finite-difference method with
second order accuracy for solving the heat equations involving
interfaces with constant coefficients and discontinuous sources.
In this paper, we expand their result by presenting a
finite-difference method which allows each coefficient to take
different values in different sub-regions of the interface.
Our method is useful in physical applications, and has also
second order accuracy.
Published July 10, 2000.
Math Subject Classifications: 65M06, 65M12, 65M15.
Key Words: Finite difference, Second order accuracy,
Interface, Local coordinates.
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Yun-Qiu Shen
Department of Mathematics, Western Washington University
Bellingham, WA 98225-9063, USA
e-mail: yqshen@cc.wwu.edu