How can i define my boundary condition with respect to initial condition=?

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Mert Gökduman
Mert Gökduman 2019 年 3 月 18 日
コメント済み: Torsten 2019 年 3 月 19 日
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I have this problem and i will solve it with finite difference scheme but i need to define boundary condition but i dont know how to define them. Can anyone help?
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Torsten
Torsten 2019 年 3 月 19 日
Since you are told to solve the equation until the initial wave goes out of the domain I'd start with du/dn = 0 on all boundaries where n is the outer normal.

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