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- W2131487992 abstract "We propose inf–sup testing for finite element methods with upwinding used to solve convection–diffusion problems. The testing evaluates the stability of a method and compactly displays the numerical behaviour as the convection effects increase. Four discretization schemes are considered: the standard Galerkin procedure, the full upwind method, the Galerkin least-squares scheme and a high-order derivative artificial diffusion method. The study shows that, as expected, the standard Galerkin method does not pass the inf–sup tests, whereas the other three methods pass the tests. Of these methods, the high-order derivative artificial diffusion procedure introduces the least amount of artificial diffusion. Copyright © 2000 John Wiley & Sons, Ltd." @default.
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- W2131487992 date "2000-06-20" @default.
- W2131487992 modified "2023-10-03" @default.
- W2131487992 title "Inf-sup testing of upwind methods" @default.
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- W2131487992 doi "https://doi.org/10.1002/(sici)1097-0207(20000620)48:5<745::aid-nme904>3.0.co;2-e" @default.
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