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Numerical diffusion

Numerical diffusion is a difficulty with computer simulations of continua (such as fluids) wherein the simulated medium exhibits a higher diffusivity than the true medium. This phenomenon can be particularly egregious when the system should not be diffusive at all, for example an ideal fluid acquiring some spurious viscosity in a numerical model.

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Numerical diffusion

Nodes23
Edges22
Triples14
Avg. degree1.91
Density0.086957
Components1

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Numerical diffusion

Top relations

related to Explanation · 7
Numerical diffusion → For, Higher, In Eulerian, Most, Navier, Stokes, The
related to Example · 6
Numerical diffusion → After, As, Eulerian, If, This, When
is a · 1
Numerical diffusion → difficulty with computer simulations of continua

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numerical diffusion example system water difficulty simulations simulated diffusive fluids time grid high simulation dye higher fluid viscosity diffusivity eulerian

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SubjectPredicateObjectConfidenceSrc
Numerical diffusionis adifficulty with computer simulations of continua0.90text
Numerical diffusionrelated to ExampleAs0.60section
Numerical diffusionrelated to ExampleEulerian0.60section
Numerical diffusionrelated to ExampleIf0.60section
Numerical diffusionrelated to ExampleAfter0.60section
Numerical diffusionrelated to ExampleThis0.60section
Numerical diffusionrelated to ExampleWhen0.60section
Numerical diffusionrelated to ExplanationIn Eulerian0.60section
Numerical diffusionrelated to ExplanationNavier0.60section
Numerical diffusionrelated to ExplanationStokes0.60section
Numerical diffusionrelated to ExplanationThe0.60section
Numerical diffusionrelated to ExplanationMost0.60section

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