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posteriori error estimation

Goal oriented a posteriori error estimation for the travel time functional in porous media flows

Goal oriented a posteriori error estimation for the travel time functional in porous media flows

... a posteriori error estimation and adaptive mesh refinement for the numerical approximation of the travel time functional arising in porous media ...a posteriori error bound is derived ...

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A posteriori error estimation and adaptivity for nonlinear parabolic equations using IMEX Galerkin discretization of primal and dual equations

A posteriori error estimation and adaptivity for nonlinear parabolic equations using IMEX Galerkin discretization of primal and dual equations

... rigorous estimation and adaptive control of their discretization errors remains ...a posteriori error estimation for nonlinear parabolic PDEs, where the full discretization of the PDE relies ...

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A POSTERIORI ERROR ESTIMATION FOR A DUAL MIXED FINITE ELEMENT METHOD FOR QUASI--NEWTONIAN FLOWS WHOSE VISCOSITY OBEYS A POWER LAW OR CARREAU LAW

A POSTERIORI ERROR ESTIMATION FOR A DUAL MIXED FINITE ELEMENT METHOD FOR QUASI--NEWTONIAN FLOWS WHOSE VISCOSITY OBEYS A POWER LAW OR CARREAU LAW

... priori error estimates for the finite element approximation were proved in the first paper, while a posteriori error estimation was provided in the second ...

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A posteriori error estimation for a PDE constrained optimization problem involving the generalized Oseen equations

A posteriori error estimation for a PDE constrained optimization problem involving the generalized Oseen equations

... The outline of this paper is as follows. In section 2 we introduce some terminology used throughout this work. In section 3 we study the optimal control problem (1.2)– (1.4) and obtain the associated optimality system. ...

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A port-reduced static condensation reduced basis element method for large component-synthesized structures: approximation and A Posteriori error estimation

A port-reduced static condensation reduced basis element method for large component-synthesized structures: approximation and A Posteriori error estimation

... a posteriori bounds or estimators for the error in the SCRBE approximation with respect to the underlying FE “truth” ...the error-residual equation at the port level, and finally matrix perturbation ...

49

Neumann-Type A Posteriori Error Estimation For Steady Convection-Diffusion Equation

Neumann-Type A Posteriori Error Estimation For Steady Convection-Diffusion Equation

... the error globally, then the estimator is reliable, meaning the error on the global domain can be properly controlled by the ...the error locally, then the error estimator is efficient, ...

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Maximum norm a posteriori error estimation for parabolic problems using elliptic reconstructions

Maximum norm a posteriori error estimation for parabolic problems using elliptic reconstructions

... a posteriori error estimate given by Theorem ...to) error estimates of ...a posteriori error estimates for fully discrete Crank–Nicolson methods, which were not considered in ...

31

Computable a posteriori error estimates in the finite element
method based on its local conservativity: improvements using local
minimization

Computable a posteriori error estimates in the finite element method based on its local conservativity: improvements using local minimization

... a posteriori error estimates in the finite element method discretization of the Poisson equation, introduced in ...A posteriori error estimation in the conforming finite element method ...

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Certified reduced basis approximation for parametrized partial differential equations and applications

Certified reduced basis approximation for parametrized partial differential equations and applications

... In the context of affine parameter dependence, in which the operator is express- ible as the sum of Q products of parameter-dependent functions and parameter- independent operators (see Section 3), the Offline-Online ...

49

A posteriori error estimates for finite volume 
and mixed finite element discretizations  of
convection–diffusion–reaction equations

A posteriori error estimates for finite volume and mixed finite element discretizations of convection–diffusion–reaction equations

... a posteriori error estimation in the finite volume and lowest-order Raviart–Thomas mixed finite element ...the error and are fully computable in the sense that all occurring constants are ...

13

IFISS : a computational laboratory for investigating incompressible flow problems

IFISS : a computational laboratory for investigating incompressible flow problems

... for error estimation of the discrete ...a posteriori error estimation functionality so that a precise stopping criterion can be identified which balances the algebraic error with ...

13

A Posteriori Error Estimators for the Discrete Ordinates Approximation of the One-Speed     Neutron Transport Equation

A Posteriori Error Estimators for the Discrete Ordinates Approximation of the One-Speed Neutron Transport Equation

... recovery-based error estimator is ...a posteriori error estimator is stated clearly by the authors: ”it is not only reasonably accurate but whose evaluation is computationally so simple” ...

101

Paper 04-2019-1

Paper 04-2019-1

... computational error, the mesh generation plays an important role in the accuracy of the numerical ...the error, the computational effort increases drastically with increasing ...

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An a posteriori error analysis for an optimal control problem with point sources

An a posteriori error analysis for an optimal control problem with point sources

... a posteriori error analysis for finite element approximations of a constrained optimal control problem has not yet been fully ...a posteriori error analysis for optimal control problems we ...

33

Generic Reduced Complexity MMSE Channel Estimation for OFDM and MC CDMA

Generic Reduced Complexity MMSE Channel Estimation for OFDM and MC CDMA

... The rest of this paper is structured as follows. The system model and the channel model considered are described in Section II. The difficulty of employing the Least Squares (LS) approach to the problem of estimating the ...

5

Retrieval of the ice sheet topography by satellite radar altimeter echoes

Retrieval of the ice sheet topography by satellite radar altimeter echoes

... optimal estimation is chosen to develop the idea of multi-channel ...This estimation technique is very flexible and it places no theoretical restriction on the application of multi-channel ...

231

A posteriori error estimates of spectral method for nonlinear parabolic optimal control problem

A posteriori error estimates of spectral method for nonlinear parabolic optimal control problem

... a posteriori error estimates of the spectral approx- imation solutions for both the state and the control, and also obtained L 2 (L 2 ) – L 2 (L 2 ) a posteriori error estimates of the ...

23

A Posteriori Error Estimator for a Front-Fixing Finite Difference Scheme for American Options

A Posteriori Error Estimator for a Front-Fixing Finite Difference Scheme for American Options

... a posteriori error estimator for the American options pricing which is based on Richardson’s extrapolation ...This error estimator allows us to find a suitable grid where the computed solution, both ...

6

Generic MMSE Decision Directed Channel Estimation for OFDM and MC CDMA

Generic MMSE Decision Directed Channel Estimation for OFDM and MC CDMA

... forward error correction (FEC) we use 1 2 -rate turbo coding [13] employing two constraint-length K = 3 Recursive Systematic Convolutional (RSC) component codes and a 124-bit WCDMA code interleaver ...

5

Stochastic estimation of object 
		navigational parameters on the basis of use of spacial models of motion 
		trajectories

Stochastic estimation of object navigational parameters on the basis of use of spacial models of motion trajectories

... Let’s 3161ehavio the key possibility of a stochastic estimation of objects navigational parameters on satellite measurements for any mobile objects. Thereat being formed algorithms of filtering shall be invariant ...

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