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2-D numerical analysis

Analysis of Numerical Dispersion in the High-Order 2-D WLP-FDTD Method

Analysis of Numerical Dispersion in the High-Order 2-D WLP-FDTD Method

... theoretical analysis of numerical dispersion in the high-order finite-difference time-domain (FDTD) method with weighted Laguerre polynomials (WLPs) is proposed in this ...the numerical dispersion ...

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Numerical Simulation of Elastic Wave Equation and Analysis of Wave Field Characteristics in 2 D VTI Medium

Numerical Simulation of Elastic Wave Equation and Analysis of Wave Field Characteristics in 2 D VTI Medium

... and quasi-S waves in the direction of the axis of symmetry ( i.e. , the vertical di- rection), m/s. Because the polarization direction of P wave and SV wave particle in the VTI medium is not parallel and perpendicular to ...

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Second-Order Displacement Functions for Three-Dimensional Discontinuous Deformation Analysis (3-D DDA) S.A.

Second-Order Displacement Functions for Three-Dimensional Discontinuous Deformation Analysis (3-D DDA) S.A.

... Numerical methods applicable to rock mechanics can be placed in two main categories: (1) Continuum approaches such as Finite Element Method (FEM) and Boundary Element Method (BEM) in which the eects of ...

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Numerical Analysis of Vehicle Aerodynamics

Numerical Analysis of Vehicle Aerodynamics

... Equation ( 8 ) is solved using the finite volume method. The characteristics based method (CBM) is used for the discretization o f the convective fluxes. The CBM is based on a characteristic flux averaging o f the ...

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Numerical Dispersion Analysis for the 3-D High-Order WLP-FDTD Method

Numerical Dispersion Analysis for the 3-D High-Order WLP-FDTD Method

... sin 2 ( πδ sin θ cos ϕ ) + sin 2 (3 πδ sin θ cos ϕ ) − 54 sin( πδ sin θ cos ϕ ) sin(3 πδ sin θ cos ϕ ) +729 sin 2 (πδ sin θ sin ϕ) + sin 2 (3πδ sin θ sin ϕ) −54 sin(πδ sin θ sin ϕ) sin(3πδ sin ...

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Numerical study on significance of wind action on 2-D freak waves with different parameters

Numerical study on significance of wind action on 2-D freak waves with different parameters

... depth d; the time and frequency (ω), by t   d / g ,    g / d where τ is the dimensionless time and g is the gravitational ...modeling 2-D cases, the width of the tank is taken the ...

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Numerical Simulation of Supersonic Overexpanded Jet from 2-D Convergent-Divergent Nozzle

Numerical Simulation of Supersonic Overexpanded Jet from 2-D Convergent-Divergent Nozzle

... and functions. However, the model can only accurately predict the features for low Reynolds number flows. Dash et. al. [7] upgraded the existing κ-ε turbulence model by introducing the unification of vortex-stretching ...

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A Numerical Comparison of 2-D Inviscid and Viscous Approaches for Flow Through a Stage of an Axial Compressor

A Numerical Comparison of 2-D Inviscid and Viscous Approaches for Flow Through a Stage of an Axial Compressor

... Historically, analysis of the ow eld in the close vicinity of the stability limit and the design point, espe- cially in Gas-Turbine engines, has been based mainly on experimental observations and ...

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Numerical analysis of the effects of winglet shapes on wing performance

Numerical analysis of the effects of winglet shapes on wing performance

... winglets analysis on a civil aircraft wing ofNACA23016airfoil for root wing section, NACA 23014airfoil for mean wing section and NACA 23012airfoil for tip wing ...

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Design, Optimization and FEM Analysis of a Surface-Mounted Permanent-magnet Brushless DC Motor

Design, Optimization and FEM Analysis of a Surface-Mounted Permanent-magnet Brushless DC Motor

... field analysis and RSM optimization algorithm is ...procedure 2-D Finite Element (FE) analysis were ...obtained numerical analysis results explain the accuracy and effectiveness ...

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Identification and Analysis of Motion Artifact in Ambulatory ECG Signal in 1-D and 2-D

Identification and Analysis of Motion Artifact in Ambulatory ECG Signal in 1-D and 2-D

... Cardiovascular disease is the leading cause of death in worldwide. Considering the fact that a majority of such deaths due to cardiac arrest occur before the patient can get the needed medical care, the patient should be ...

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Universal scaling laws for correlation spreading in quantum systems with short- and long-range interactions

Universal scaling laws for correlation spreading in quantum systems with short- and long-range interactions

... We analyse the trajectory of the maxima in the same way as before. For the LRTI model, ballistic spreading is expected sufficently large values of t and R. This is con- firmed by the behaviour of the local maxima in Fig. ...

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Radar Image of One Dimension Rough Surface with Buried Object

Radar Image of One Dimension Rough Surface with Buried Object

... for analysis and understanding of scattering and propagation ...through analysis of radar images in [17, ...efficient numerical methods for backscatter predictions (such as PILE + FB), the back ...

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Chapter 3 Buckling of Restrained Pipe under External Pressure

Chapter 3 Buckling of Restrained Pipe under External Pressure

... the numerical analysis above, the single-lobe bucking is a procedure of single-lobe formation and material failure has been confirmed for both plain liner and stiffened ...

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Numerical Integration by Different Numerical Techniques

Numerical Integration by Different Numerical Techniques

... theoretically, numerical integration is on solid ...well numerical integration ...particular numerical integral will be, this can be quite complicated in ...

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CFD-model of the mass transfer in the vertical settler

CFD-model of the mass transfer in the vertical settler

... Разработана 2-D-CFD модель, позволяющая в течение нескольких секунд выполнить расчет вертикального отстойника с учетом его геометрической формы, наличия центральной трубы, ее параметров, наличия рассекателя ...

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Numerical Study of 2 D Natural Convection in a Square Porous Cavity: Effect of Three Mode Heating

Numerical Study of 2 D Natural Convection in a Square Porous Cavity: Effect of Three Mode Heating

... The work we present in this paper is a continuation of a series of studies on the numerical study of natural convection in a square porous cavity saturated by a Newtonian fluid. The left vertical wall is subjected ...

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Numerical Investigation of Head Frontal Velocity of nonconservative Dense Flows in Small Inclined Beds

Numerical Investigation of Head Frontal Velocity of nonconservative Dense Flows in Small Inclined Beds

... slope 2 percent, concentration of 1 percent and flow rate of 25 litter at the time of dense flow coming out at the times of 45 and 120 seconds under the gate have been shown in the following ...

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A Discrete Approach to Meshless Lagrangian Solid Modeling

A Discrete Approach to Meshless Lagrangian Solid Modeling

... This effort demonstrated a stable method to numerically model solid mechanics with a Lagrangian specification. Rather than using Eulerian mechanics which utilize a meshed grid, this model used a Lagrangian approach that ...

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Analysis of Curved Plate Elements using Open Source Software

Analysis of Curved Plate Elements using Open Source Software

... The results show that a curved plate resists a higher load when it is directed towards the center of the arc. The loading cases vary as to the use of the plate element e.g. as a water structure or roof element. The ...

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