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Kevin Ancourt, Jacques Peter and Olivier Atinault
The method of characteristics is a classical method for gaining understanding in the solution of a partial differential equation. It has recently been applied to the adjoint equations of the 2D steady-state Euler equations and the first goal of this pape...
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Steven Guan, Ko-Tsung Hsu and Parag V. Chitnis
Simulation tools for photoacoustic wave propagation have played a key role in advancing photoacoustic imaging by providing quantitative and qualitative insights into parameters affecting image quality. Classical methods for numerically solving the photoa...
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Lei Shi, Liujuan Tang and Edward Myers
This paper presents an incremental variational method to assimilate the observed tidal harmonic constants using a frequency domain linearized shallow water equation. A cost function was constructed with tidal boundary conditions and tidal forcing as its ...
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Timothy Sands
Automatic controls refer to the application of control theory to regulate systems or processes without human intervention, and the notion is often usefully applied to space applications. A key part of controlling flexible space robotics is the control-st...
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M. M. Biliaiev,O. V. Berlov,I. V. Kalashnikov,V. A. Kozachyna
Pág. 19 - 27
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Ismael Sanchez Torreguitart, Tom Verstraete and Lasse Mueller
The LS89 high pressure axial turbine vane was originally designed and optimized for a downstream isentropic Mach number of 0.9. This profile has been widely used for computational fluid dynamics (CFD) validation in the open literature but very few attemp...
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Vladimir Zalesny, Valeriy Agoshkov, Robert Aps, Victor Shutyaev, Anton Zayachkovskiy, Floris Goerlandt and Pentti Kujala
Methods and technology have been developed to solve a wide range of problems in the dynamics of sea currents and to assess their ?impact? on objects in the marine environment. Technology can be used for monitoring and forecasting sea currents, for solvin...
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Yuri N. Skiba,David Parra-Guevara
The advection-diffusion equation is used for describing the dispersion of pollutants in a limited area. Methods for preventing dangerous levels of pollutants in ecologically important zones are suggested. The methods are based on the control of emission ...
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DAVID PARRA GUEVARA,YURI N. SKIBA
The problem of propagation of pollutants emitted into the atmosphere by various industrial sources is formulated using the two-dimensional transport equation. An adjoint transport model and dual principle are derived that permit to impose sufficient r...
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G. I. MARCHUK,Yuri N. SKIBA
Using the solution of a specially formulated adjoint problem an integral formula is derived for the study of linear model response. The formula relates directly every chosen characteristic of the model sensitivity to variations of initial data and for...
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