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A smoothing technique for discrete delta functions with application to immersed boundary method in moving boundary simulations

open access: yesJournal of Computational Physics, 2009
The effects of complex boundary conditions on flows are represented by a volume force in the immersed boundary methods. The problem with this representation is that the volume force exhibits non-physical oscillations in moving boundary simulations.
Xiaolei Yang, Xing Zhang
exaly   +2 more sources
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Boundary Points of Threshold Functions

IEEE Transactions on Computers, 1973
Boundary points of a threshold function fare those vertices of the n-cube that produce a minimal irredundant set of inequalities for the realization of f. In this paper they are shown to be those vertices that can be contained in separating hyperplanes.
Lawrence T. Fisher, Donald W. Dearholt
openaire   +1 more source

International Boundaries: A Study of Boundary Functions and Problems.

Journal of the American Statistical Association, 1940
(1940). International Boundaries: A Study of Boundary Functions and Problems. Economic Geography: Vol. 16, No. 4, pp. 446-447.
Malcolm J. Proudfoot   +1 more
openaire   +1 more source

IT Alignment and the Boundaries of the IT Function

Journal of Information Technology, 2011
This study applies the concept of organizational boundary to examine how outsourcing and the management of external and internal boundaries of the information technology (IT) function impact IT alignment. The article argues that by decreasing the governance costs for the less strategic IT transactions, IT outsourcing enables the IT function, and IT ...
openaire   +1 more source

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