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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2019
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Article
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Fig 2
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Research Article
A Robust Optimal Finite Difference Scheme for the Three-Dimensional Helmholtz Equation
Figure 2
Normalized phase velocity curves for the new scheme and the rotated scheme with
.
(a)
New scheme with
(b)
Rotated scheme with
(c)
New scheme with
(d)
Rotated scheme with
(e)
New scheme with
(f)
Rotated scheme with