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Author Arina, R. ♦ Canuto, C.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword ENGINEERING ♦ GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE ♦ IDEAL FLOW ♦ COMPUTERIZED SIMULATION ♦ MATHEMATICAL MODELS ♦ NAVIER-STOKES EQUATIONS ♦ NUMERICAL SOLUTION ♦ VISCOUS FLOW ♦ MESH GENERATION ♦ DIFFERENTIAL EQUATIONS ♦ EQUATIONS ♦ FLUID FLOW ♦ PARTIAL DIFFERENTIAL EQUATIONS ♦ SIMULATION 420400* -- Engineering-- Heat Transfer & Fluid Flow ♦ Mathematics & Computers
Abstract A new formulation of the viscous/inviscid coupling, termed X-for-mutation, has been applied to the Burgers equation: the equation is modified in such a way that the viscous terms are neglected in dependence of their magnitude. We show that the modified X-equation can be solved on a single domain at a cost comparable to the cost of solving the original equation, despite a nonlinearity being added. Furthermore, we consider a domain decomposition method, based on the X-formulation, by splitting the original problem into an inviscid Burgers equation and a X-viscous Burgers equation. The interface between the subdomains is automatically adjusted by the proposed method, yielding an optimal resolution of the boundary-layer structure. 11 refs., 5 figs., 3 tabs.
ISSN 00219991
Educational Use Research
Learning Resource Type Article
Publisher Date 1993-04-01
Publisher Place United States
Journal Journal of Computational Physics
Volume Number 105
Issue Number 2


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