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direct numerical simulation |
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direct numerical simulation [də¦rekt nü¦mer·ə·kəl ‚sim·yə′lā·shən] (fluid mechanics) Simulation of fluid flow that is carried out through numerical integration of the Navier-Stokes equation in a two-stage process: a temporal approximation involving the splitting of the equation into linear and nonlinear parts and the approximation of time derivatives with finite differences, and a spatial approximation involving the replacement of spatial derivatives with finite difference, finite element, spectral, or hybrid numerical approximations. Abbreviated DNS. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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