fourth-order accurate schemes
Two-stage fourth order: temporal-spatial coupling in computational fluid dynamics (CFD)
... high order accurate schemes embedded with precise physical information in order to capture delicate small scale structures and strong waves with correct ...high order methods: One is ...
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Characteristic Analysis of Exponential Compact Higher Order Schemes for Convection Diffusion Equations
... exponential schemes known from the ...the schemes [2-4] are all fourth order accurate, scheme presented in [4] seems to be giving better results over the other ...
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An Efficient Direct Method to Solve the Three Dimensional Poisson’s Equation
... 27-points fourth order finite difference approximation schemes and the result- ing large algebraic system of linear equations is treated systematically in order to get a block tri-diagonal ...
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Exponential basis and exponential expanding grids third (fourth) order compact schemes for nonlinear three dimensional convection diffusion reaction equation
... of order and accuracies. The third-order compact formulation with an exponential basis and exponential expanding grids generate improved solution accu- racies in comparison with fourth-order ...
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A fourth order accurate quasi variable mesh compact finite difference scheme for two space dimensional convection diffusion problems
... numerical schemes developed by the applica- tion of an upwind scheme and a central difference operator result in an unstable solu- tion and are deficient in computational ...difference schemes formulated with ...
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High Accurate Fourth Order Finite Difference Solutions of the Three Dimensional Poisson’s Equation in Cylindrical Coordinate
... compact fourth-order Poisson solver on polar geometry based on the truncated Fourier series expansion, where the differential equations of the Fourier coefficients are solved by the compact ...
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Higher-Order Cartesian Grid Based Finite Difference Methods for Elliptic Equations on Irregular Domains and Interface Problems and their Applications
... and fourth order accurate finite difference methods based on uniform Cartesian grids for solving elliptic equations on irregular domains with general boundary conditions and elliptic interface prob- ...
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A Hybrid Higher Order FDTD Scheme for Modeling Radar Cross Section of Electrically Large Targets
... and fourth order accuracy in space [22] demand extra variables to store the previous electric and magnetic fields in computational domain, and this would lead to more memory costs, 2) the higher ...
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A fourth order accurate approximation of the first and pure second derivatives of the Laplace equation on a rectangle
... higher order difference derivatives uniformly converge to the corresponding derivatives of the solution of the Laplace equation in any strictly interior subdomain, with the same order of h as which the ...
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High-accuracy Alternating Difference Scheme for the Fourth-order Diffusion Equation
... highly accurate parallel difference scheme for the fourth-order diffusion equation is ...difference schemes, a high-order, unconditionally stable and parallel alternating group explicit ...
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The Differential Quadrature Solution of Reaction Diffusion Equation Using Explicit and Implicit Numerical Schemes
... numerical schemes, namely the Runge-Kutta fourth order method and the implicit Euler method with perturbation method of the second degree, are applied to solve the nonlinear thermal wave in one and ...
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Fourth Order Dependency Parsing
... CoNLL-X shared task on dependency parsing (Buchholz and Marsi, 2006; Nivre et al., 2007) made a comparison of many algorithms, and graph-based parsing models have achieved state- of-the-art accuracy for a wide range of ...
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Second order splitting for a class of fourth order equations
... of fourth order surface PDEs studied in later ...two fourth order PDEs on closed surfaces satisfying the assumptions of Section 2 are given in Section 6 and the analysis of the application of ...
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On Lyapunov type inequalities for fourth order linear differential equations
... higher order linear di¤erential equations which satisfy n-point boundary conditions, but as far as we know, there are fewer studies with regard four order di¤erential equations that the majority of these ...
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Mathematical modelling and simulation of the human circulation with emphasis on the venous system: application to the CCSVI condition
... non-linear schemes, to circumvent Godunov’s theorem, of high order of accuracy in both space and time, while maintaining the necessary robustness required by the highly non-linear behaviour of ...High ...
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Semi-implicit schemes for compressible fluids in elastic pipes and a-posteriori sub-cell finite volume limiting techniques for semi-implicit Discontinuous Galerkin schemes for hyperbolic conservation laws on staggered meshes
... In this chapter we compare the accuracy and computational efficiency of fully explicit and semi- implicit 1D and 2D finite volume schemes for the simulation of highly unsteady viscous compress- ible flows in ...
237
Social Metaphors and Meaning in Fourth Order Simulacra
... been demonstrated above, silicon technology is the only medium which allows us to view the viral fractal system with any clarity or coherence and if, as Baudrillard asserts that the single world order has almost ...
22
A novel second order accurate hybrid numerical approach for conservation laws
... with an interface at x = 0.5. We compare the Roe and hybrid scheme (figures 14 and 15) with a uniform grid made of 100 points and a Courant number of 0.45. The reference curves (for visual comparison) have been computed ...
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Integrity basis for a second order and a fourth order tensor
... Theory of algebraic inviants, integry basis under a subgroup, otropic tensor functions, representation- theory irreducible basic and principal invariants of a foh-order tensor, constitut[r] ...
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Simulations of two-dimensional high speed turbulent compressible flow in a diffuser and a nozzle blade cascade
... cell-vertex schemes; however, cell-vertex scheme does not require extrapolation to the solid boundary to obtain the wall static pressure, which is necessary in solving the ...
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