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time discretization

Rothe time discretization method applied to a quasilinear wave equation subject to integral conditions

Rothe time discretization method applied to a quasilinear wave equation subject to integral conditions

... This paper presents a well-posedness result for an initial-boundary value problem with only integral conditions over the spatial domain for a one-dimensional quasilinear wave equation. The solution and some of its ...

25

Implicit Euler time discretization and FDM with Newton method in nonlinear heat transfer modeling

Implicit Euler time discretization and FDM with Newton method in nonlinear heat transfer modeling

... This paper considered heat transfer with temperature- dependent thermal conductivity. The one-dimensional unsteady heat conduction equation was solved numerically by using implicit time-discretization and ...

5

High-Order Time Discretization of The Wave Equation by Nabla-P
            Scheme.*

High-Order Time Discretization of The Wave Equation by Nabla-P Scheme.*

... space discretization, it is relevant to use a high-order time ...explicit time schemes, but requires the introduction of auxiliary ...order time scheme, the so-called Nabla-p ...

8

Time discretization of nonlinear Cauchy problems applying to mixed hyperbolic parabolic equations

Time discretization of nonlinear Cauchy problems applying to mixed hyperbolic parabolic equations

... By reducing B to be a linear and bounded operator in H, the resulting initial value problem for 1.1 has been treated by Bensoussan, Lions, and Papanicolau [2], who stated the existence a[r] ...

14

Hermite Collocation and SSPRK Schemes for the Numerical Treatment of a Generalized Kolmogorov-Petrovskii-Piskunov Equation

Hermite Collocation and SSPRK Schemes for the Numerical Treatment of a Generalized Kolmogorov-Petrovskii-Piskunov Equation

... Adapting the SSPRK class of time discretization methods for the solution of parabolic problems is not always efficient. The stiffness of the some parabolic operators, even when the hyperbolic part ...

6

Compositional Modeling of Two-Phase Flow in Porous Media Using Semi-Implicit Scheme

Compositional Modeling of Two-Phase Flow in Porous Media Using Semi-Implicit Scheme

... Abstract—In this paper we deal with the numerical modeling of the compressible two-phase flow of a mixture composed of several components in porous media with species transfer between the phases. We formulate the ...

9

A successive iterative approach for two dimensional nonlinear Volterra-Fredholm integral equations

A successive iterative approach for two dimensional nonlinear Volterra-Fredholm integral equations

... as time collocation and time discretization methods [6, 15], trapezoidal Nystrom method [11], Adomian decomposition method [9, 17] and successive iterative scheme [5] but few of them can be used for ...

10

Multirate PWM balance method for the efficient field-circuit coupled simulation of power converters

Multirate PWM balance method for the efficient field-circuit coupled simulation of power converters

... conventional time discretiza- ...conventional time discretization and the MPDE approach with PWM basis functions on the one hand and PWM eigenfunctions on the other ...

12

Numerical method for the  2D simulation of the respiration.

Numerical method for the 2D simulation of the respiration.

... a time- discretization of the equations governing viscous incompressible flows, in which the viscosity and the incom- pressibility of the fluid are treated within two separate ...

20

European and American put valuation via a high-order semi-discretization scheme

European and American put valuation via a high-order semi-discretization scheme

... The rest of this work is unfolded as follows. Section 2 starts by explaining the pseudo-spectral notion for the FD approximations of the sixth-order using the differ- entiation matrices. Next, we discuss its use for ...

17

Discrete Singular Convolution Method for Numerical Solutions of Fifth Order Korteweg De Vries Equations

Discrete Singular Convolution Method for Numerical Solutions of Fifth Order Korteweg De Vries Equations

... A new computational method for solving the fifth order Korteweg-de Vries (fKdV) equation is proposed. The nonlinear partial differential equation is discretized in space using the discrete singular convolution (DSC) ...

11

Geometric discretization of Lagrangian mechanics and field theories

Geometric discretization of Lagrangian mechanics and field theories

... to time discretization for highly oscillatory mechanical systems, and to spacetime discretization for classical field theories, both from a common Lagrangian variational ...

117

Bias behaviour and antithetic sampling in mean-field particle approximations of SDEs nonlinear in the sense of McKean

Bias behaviour and antithetic sampling in mean-field particle approximations of SDEs nonlinear in the sense of McKean

... error). And the former approach is less expensive than the latter as soon as the computational cost of the particle system grows more than linearly with the number of particles. The behaviour of the bias is also of ...

17

The singular dynamic method for dynamic contact of thin elastic structures

The singular dynamic method for dynamic contact of thin elastic structures

... the time discretization of the ...the time step, the midpoint scheme, applied on all the previous problems, consists in finding U n+1/2 in K h ...

14

Time Representation in Economics

Time Representation in Economics

... In economics, many higher-dimensional models require a hybrid discretization to recover the equivalence between discrete and continuous time, that is a mix of discretiza- tion in backward and forward ...

6

A second order anti-diffusive Lagrange-remap scheme for two-component flows

A second order anti-diffusive Lagrange-remap scheme for two-component flows

... Figures 6 and 7 present zooms of these numerical results. We remark that the second order improves a lot the precision of the approximation, especially along the rarefaction wave and on the shock wave. Nevertheless, ...

14

Feature Selection Algorithm with Discretization
          and PSO Search Methods for Continuous Attributes

Feature Selection Algorithm with Discretization and PSO Search Methods for Continuous Attributes

... Abstract— Discretization plays a significant role during the transformation of continuous attributes into discrete values in the pre-processing step in data mining, significant attention in the machine learning ...

5

Eigenvalue extraction from time domain computations

Eigenvalue extraction from time domain computations

... hexahedron discretization mesh in time domain is carried out with the transient solver from CST MWS and it detects and records the electric field intensity at specific field detection probes placed at ...

7

Operator Splitting Method for Coupled Problems:Transport and Maxwell Equations

Operator Splitting Method for Coupled Problems:Transport and Maxwell Equations

... The paper is organized as follows. The discretization methods are described in Section 2. In Section 3, the applied operator splitting methods are presented. The error analysis of the coupled methods is studied in ...

13

Open Journal Systems

Open Journal Systems

... different discretization algorithms have been proposed in the last two ...Equal-width Discretization (EWD) and Equal- frequency Discretization (EFD), MDLP, ID3, ChiMerge, 1R, D2, and ...unsupervised ...

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