2D numerical diffusion model
Numerical Investigation of Parameters Impacting the Wall Thickness of Carbon Nanotubes Manufactured by Template-Based Chemical Vapor Deposition
... transient model with ...a 2D transient model based on the longitudinal section of the tube furnace (Z = 0), only including the x and y coordinates of the already established equations, was ...This ...
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NUMERICAL SOLUTION OF A 2D- DIFFUSION REACTION PROBLEM MODELLING THE DENSITY OF DI-VACANCIES AND VACANCIES IN A METAL
... of diffusion. Diffusion can be defined as the mass flow process in which atoms change their positions relative to neighbors in a given phase under the influence of thermal and a gradient ...for ...
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Lagrange’s Spectral Collocation Method for Numerical Approximations of Two Dimensional Space Fractional Diffusion Equation
... to model various complex phenomena where classical cal- culus failed, fractional calculus is getting enormous attention ...for numerical approximations of various types of fractional differential ...
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Numerical Investigations on Flow Characteristics over Backward Facing Sharp Edge Step through Hybrid RANS LES
... a 2D numerical model for examining the fluid flow behaviours (pertaining to density, vorticity and Mach number distributions) over a backward facing sharp edge step deploying the hybrid ...
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Neumann-Type A Posteriori Error Estimation For Steady Convection-Diffusion Equation
... the diffusion parameter 𝜖 is decreased without proportional reduction of the discretization mesh size, then these inaccuracies propagate into regions where the solution is smooth ...artificial diffusion in ...
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Numerical Prediction of Air-preheating Effect on Soot Formation in Diffusion Flame During Early Transience Following Ignition
... In our earlier work [14], we discussed elaborately the transient development of a diffusion flame from a co-flow burner having the same configuration as in the present case. The main interest of the present work ...
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On the two-day oscillations and the day-to-day variability in global 3-D-modeling of the chemical system of the upper mesosphere/mesopause region
... our model is not self-consistent thus ...the model only calculates climatological averages, meaning it does not compute variations under real short-periodic changeable con- ditions as they are connected ...
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Numerical Simulation by Galerkin Method of 2D Nonlinear Convection-Diffusion
... a 2D Transient Nonlinear Convection-Diffusion Equation using the Galerkin ...For numerical formulation, the Crank-Nicolson Method was used for temporal discretization, the Newton Method for ...
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2D Numerical simulation of a low mach nuclear core model with stiffened gas using freefem++
... simplified model describing the evolution of the coolant within a nuclear reactor core ...This model is named Lmnc (for Low Mach Nuclear Core) and consists of the coupling between three equations of ...
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TILLAGE EROSION: THE PRINCIPLES, CONTROLLING FACTORS AND MAIN IMPLICATIONS FOR FUTURE RESEARCH
... Tillage erosion is one of the major contributors to landscape evolution in hummocky agricultural landscapes. This paper summarizes the available data describing tillage erosion caused by hand-held or other simple tillage ...
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Vortex matter in layered superconductors without Josephson coupling: numerical simulations within a mean field approach
... the model to use several layers, it is possible to include Josephson coupling between them, which would realistically describe an anisotropic layered high-temperature ...
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Numerical and experimental modelling of the centrifugal compressor stage – setting the model of impellers with 2D blades
... turbulent model are very close to the measured values of PI and ...CFD model can be used for reliable simulations of radial compressor stage characteristics of similar geometric and flow ...
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Binding energies of quantum dipole in plane
... a numerical algorithm based on a discrete variable representation and shifted inverse iterations and apply it to for the analysis of the bound states of edge dislocation modelled by a quantum dipole in a ...
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Parallel solution, adaptivity, computational convergence, and open-source code of 2d and 3d pressurized phase-field fracture problems
... phase-field model for quasi-static brittle ...source. Numerical solutions in 2d and 3d with adaptive mesh refinement show optimal scaling of the linear solver based on algebraic multigrid, and ...
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Numerical simulation of Feller’s diffusion equation
... ’s diffusion equation which arises naturally in probabilities and physics ...serious numerical difficulties since the diffusion coefficient is practically unbounded and most of its solutions are ...
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Numerical experiment with upstream boundary conditions
... a 2D numerical simulation of flows of an inviscid compressible fluid in the G AMM channel, the authors applied both numerical schemes (LW and RK) and the boundary conditions IBC A, B on a structured ...
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Particle simulation of diffusion with non uniform viscosity
... The diffusion of a passive scalar in a turbulent jet is used as a test case for the three methods de- scribed ...and diffusion by molecular and turbulent ...the diffusion through a space-varying ...
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An Investigation of Premixed Flame Propagation in a Straight Rectangular Duct
... 3D, 2D and Semi-2D (3D case with W=1 mm) have been ...the 2D case, the front and back are set to empty. For the model accompanied with dynamic mesh, the initial grid size is set to be 1Ö1 ...
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Analysis of Characteristics of Two-Dimensional Runge-Kutta Multiresolution Time-Domain Scheme
... the numerical simulation of solutions to Maxwell’s electromagnetic equations was initially introduced in 1996 [1], which had selected the popular and classical finite difference time-domain (FDTD) approach as ...
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Numerical Methods for Discrete Double Barrier Option Pricing Based on Merton Jump Diffusion Model
... gral, numerical calculation is ...Black-Scholes model. This thesis considers Merton jump diffusion model as the basic model to derive the pric- ing formula of discrete double barrier ...
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