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Numerical solution of a nonlinear wave equation in polar coordinates

✍ Scribed by Kuo Pen-Yu; Luis Vázquez


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
592 KB
Volume
14
Category
Article
ISSN
0096-3003

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Computation of the spatial derivatives with non-local differential operators, such as the Fourier pseudospectral method, may cause strong numerical artifacts in the form of noncausal ringing. This situation occurs when regular grids are used. The problem is attacked by using a staggered pseudospectr