Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Similarity transformation"”.
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Hydromagnetic radiative effect on water, kerosene based on single walled carbon nanotubes induced by a stretching/shrinking sheet with viscous-ohmic dissipation
… Ohmic heating is investigated numerically.The similarity transformation reduces the time-independent boundary layer equations for continuity, momentum and energy into a set of coupled ordinary differential equations. The obtained governing equations have been solved numerically by using …
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Um desacoplamento canônico para sistemas lineares multivariáveis
… the invariant factors of a matrix, the similarity transformation that maps a matrix to the rational canonical form, and determines whether the system can be decoupled.
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Thermal radiation and slip effects on mhd stagnation point flow of nanofluid over a shrinking sheet
… nonlinear ordinary differential equation by a similarity transformation. Then, the numerical solutions are solved by bvp4c in Matlab software. The numerical result obtained reveal that the velocity increases with the increase in stagnation parameter and velocity slip parameter. The temperature …
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Numerical study of heat source/sink effects on dissipative magnetic nanofluit flow from a non-linear inclined stretching and shirinking sheet
… a system of ordinary differential equations via similarity transformation with appropriate boundary condition. The dimensionless parameters that used in this study are magnetic field parameter, volume fraction parameter, power-law parameter, Richardson number, suction and injection parameter, …
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Combination of three dimensional geodetic networks using similarity transformations
… networks are combined in a three dimensional transformation adjustment by solving for the external bias parameters using any of the three standard seven parameter similarity transformation models, namely the Bursa, Molodensky and Veis models. The object of this combination may be merely to …
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MHD stagnation flow of nanofluid past a permeable shrinking surface with various conditions
… number, Biot number and Lewis number. Using a similarity transformation, the governing partial differential equations are transformed into nonlinear ordinary differential equations and the numerical solutions are solved by bvp4c in Matlab software. The numerical results indicate that the …
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Unsteady hydromagnetic chemically reacting mixed convection MHD flow over a permeable stretching sheet embedded in a porous medium with thermal radiation and heat source/sink
… into ordinary di erential equations by using similarity transformation. The governing non-linear partial di erential equations of Momentum, Energy, and Concentration are considered in this study. The e ects of various physical parameters on the velocity, temperature, and species concentration …
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Sensitivity analysis on steady bionanofluid boundary layer flow
… of ordinary differential equations through similarity transformation. It is then solved numerically by using the shooting technique programmed in Maple18. Lastly, sensitivity analysis presented from Minitab18 is invoked to figure out the dependency of response on multivariate independent …
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Stagnation-point flow past a vertical stretching or shrinking sheets in a nanofluid with slip effect
… ODEs along with boundary conditions using similarity transformation. Resulting non-linear ODEs are solved numerically using the shooting method and the numerical codes have been developed using software known as Maple. The effects of various emerging parameters such as Prandtl number, Pr, …
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Lie algebraic similarity transformations: improving wavefunctions for weak and strong correlations
… polynomial computational cost via a Hamiltonian similarity transformation. Wavefunctions of this form have been studied with variational Monte Carlo methods, but we present a formalism to perform non-stochastic calculations. The Hausdorff series generated by these Jastrow factors can be summed …
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Fast time domain simulation for large order hybrid systems
… using the linearity property of LTI systems. A similarity transformation can first be employed to obtain the modal canonical form of the system. The modal form can then be divided into subsystems with manageable sizes. Discretization scheme specially developed for these subsystems can then be …
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The stochastic operator approach to random matrix theory
… models, since they are equivalent up to similarity transformation. This dissertation shows that these structured random matrix models, appropriately rescaled, are finite difference approximations to stochastic differential operators. Specifically, as the size of one of these matrices …
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Feature-based automatic registration of images with 2D and 3D models
… where product models are available and transformations between models and images are global, this thesis presents the research works on two registration problems based on different features and different transformation models. The first image registration problem is a 2D/2D one with a 2D …