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OLS Field Name OLS Field Data
Main Title Eulerian-Lagrangian Localized Adjoint Method for the Advection-Diffusion Equation.
Author Celia, M. A. ; Russell, T. F. ; Herera, I. ; Ewing, R. E. ;
CORP Author Princeton Univ., NJ. Dept. of Civil Engineering and Operations Research. ;Colorado Univ. at Denver. Dept. of Mathematics. ;Universidad Nacional Autonoma de Mexico, Mexico City. Inst. de Geofisica.;Robert S. Kerr Environmental Research Lab., Ada, OK.;National Science Foundation, Washington, DC.
Publisher c1990
Year Published 1990
Report Number NSF-8657419-CES;
Stock Number PB91-177253
Additional Subjects Transport theory ; Diffusion theory ; Numerical solution ; Approximation ; Advection ; Reprints ; Localized adjoint methods
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NTIS  PB91-177253 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 09/04/1991
Collation 22p
Abstract The paper presents a space-time localized adjoint method (LAM) approximation for the advection-diffusion transport equation. The formulation is based on a space-time discretization in which specialized test functions are defined. These functions locally satisfy the homogeneous adjoint equation within each element. The formulation leads to a general approximation that subsumes many specific methods based on combined Lagrangian and Eulerian approaches, so-called characteristic methods (CM's). The authors refer to the method as an Eulerian-Lagrangian localized adjoint method (ELLAM). The ELLAM approach not only provides a unification of CM methods, but also provides a systematic framework for incorporation of boundary conditions in CM approximations. Example calculations were presented to demonstrate that the ELLAM procedure can handle all types of boundary conditions.
Supplementary Notes Pub. in Advances in Water Resources, v13 n4 p187-206 1990. Prepared in cooperation with Colorado Univ. at Denver. Dept. of Mathematics, and Universidad Nacional Autonoma de Mexico, Mexico City. Inst. de Geofisica. Sponsored by Robert S. Kerr Environmental Research Lab., Ada, OK., and National Science Foundation, Washington, DC.
NTIS Title Notes Journal article.
Title Annotations Reprint: Eulerian-Lagrangian Localized Adjoint Method for the Advection-Diffusion Equation.
Category Codes 46B; 72B
NTIS Prices PC A03/MF A01
Primary Description 600/15
Document Type NT
Cataloging Source NTIS/MT
Control Number 116430291
Origin NTIS
Type CAT