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Compact 2D and 3D sixth order schemes for the Helmholtz equation with variable wave number

โœ Scribed by Eli Turkel; Dan Gordon; Rachel Gordon; Semyon Tsynkov


Book ID
119291888
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
639 KB
Volume
232
Category
Article
ISSN
0021-9991

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## Abstract A class of higher order compact (HOC) schemes has been developed with weighted time discretization for the twoโ€dimensional unsteady convectionโ€“diffusion equation with variable convection coefficients. The schemes are second or lower order accurate in time depending on the choice of the