Articles with "initial boundary" as a keyword



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Global existence of solutions of initial boundary value problem for nonlocal parabolic equation with nonlocal boundary condition

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Published in 2020 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.6286

Abstract: We prove the global existence and blow‐up of solutions of an initial boundary value problem for nonlinear nonlocal parabolic equation with nonlinear nonlocal boundary condition. Obtained results depend on the behavior of variable coefficients for… read more here.

Keywords: boundary value; global existence; nonlocal parabolic; solutions initial ... See more keywords
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Modeling of uncertainty for flood wave propagation induced by variations in initial and boundary conditions using expectation operator on explicit numerical solutions

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Published in 2018 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.5702

Abstract: This study proposes a framework for uncertainty analysis by incorporating explicit numerical solutions of governing equations for flood wave propagation with the expectation operator. It aims at effectively evaluating the effect of variations in initial… read more here.

Keywords: explicit numerical; uncertainty; initial boundary; numerical solutions ... See more keywords
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GENERIC-based formulation and discretization of initial boundary value problems for finite strain thermoelasticity

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Published in 2019 at "Computational Mechanics"

DOI: 10.1007/s00466-019-01781-5

Abstract: A new variational formulation for finite strain thermoelastodynamics is proposed. The variational formulation emanates from the GENERIC formalism and makes possible the free choice of the thermodynamic state variable. In particular, one may choose the… read more here.

Keywords: finite strain; state variable; initial boundary; formulation ... See more keywords
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How to avoid order reduction when Lawson methods integrate nonlinear initial boundary value problems

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Published in 2021 at "Bit Numerical Mathematics"

DOI: 10.1007/s10543-021-00879-8

Abstract: It is well known that Lawson methods suffer from a severe order reduction when integrating initial boundary value problems where the solutions are not periodic in space or do not satisfy enough conditions of annihilation… read more here.

Keywords: initial boundary; order; order reduction; lawson methods ... See more keywords
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Modeling of the Processes of Heterodiffusion in Two Ways for the Cascade Decay of Admixture Particles. І. Cascade-Type Initial-Boundary-Value Problems

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Published in 2021 at "Journal of Mathematical Sciences"

DOI: 10.1007/s10958-021-05294-6

Abstract: We study the processes of heterodiffusion of admixtures in the case of their cascade decay in a body with two ways of migration accompanied by the mass exchange between states. For the case of unbranched… read more here.

Keywords: cascade type; cascade decay; initial boundary; processes heterodiffusion ... See more keywords
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Reproducing Kernel Method for Singularly Perturbed One-Dimensional Initial-Boundary Value Problems with Exponential Initial Layers

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Published in 2018 at "Qualitative Theory of Dynamical Systems"

DOI: 10.1007/s12346-017-0242-3

Abstract: In this paper, a meshless numerical method is proposed for singularly perturbed one-dimensional initial-boundary value problems with exponential initial layers. The method is a combination of the domain decomposition method and the reproducing kernel method.… read more here.

Keywords: singularly perturbed; reproducing kernel; initial boundary; one dimensional ... See more keywords
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Boundary value technique based on a fifth derivative method of order 10 for fourth order initial and boundary value problems

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Published in 2018 at "Afrika Matematika"

DOI: 10.1007/s13370-018-0572-6

Abstract: In this paper, the fourth order ordinary differential equation (ODE) of the form $$y^{(iv)}=f(x,y,y',y'',y''')$$y(iv)=f(x,y,y′,y′′,y′′′) subject to initial or boundary conditions is solved directly without reducing the higher ODE into an equivalent first order system. This… read more here.

Keywords: order; initial boundary; method; fifth derivative ... See more keywords
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On the initial-boundary value problem for some quasilinear parabolic equations of divergence form

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Published in 2017 at "Journal of Differential Equations"

DOI: 10.1016/j.jde.2017.08.056

Abstract: Abstract In this paper we give an existence theorem of global classical solution to the initial boundary value problem for the quasilinear parabolic equations of divergence form u t − div { σ ( |… read more here.

Keywords: initial boundary; quasilinear parabolic; value problem; boundary value ... See more keywords
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Global solution to initial boundary value problem for gas dynamics in thermal nonequilibrium

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Published in 2018 at "Journal of Differential Equations"

DOI: 10.1016/j.jde.2018.04.019

Abstract: Abstract The global existence and long time behavior of smooth solutions to an initial boundary value problem for the system of thermal nonequilibrium gas dynamics are studied in this paper. read more here.

Keywords: initial boundary; value problem; boundary value; gas dynamics ... See more keywords
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An initial boundary value problem for screw pinches in plasma physics with temperature dependent viscosity coefficients

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Published in 2018 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2018.01.011

Abstract: Abstract This paper is concerned with an initial–boundary value problem for screw pinches arisen from plasma physics. A global-in-time, classical solution to this physically very important problem, is shown to exist uniquely and converge exponentially… read more here.

Keywords: problem screw; initial boundary; physics; value problem ... See more keywords
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Initial boundary value problem for nonlinear Dirac equation of Gross-Neveu type in 1 + 1 dimensions

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Published in 2019 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2019.04.058

Abstract: This paper studies an initial boundary value problem for a class of nonlinear Dirac equations with cubic terms and moving boundary. For the initial data with bounded $L^2$ norm and the suitable boundary conditions, the… read more here.

Keywords: initial boundary; value problem; boundary value; nonlinear dirac ... See more keywords