Articles with "stochastic perturbation" as a keyword



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Consensus of delayed multi-agent dynamical systems with stochastic perturbation via dual-stage impulsive approach

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Published in 2018 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-018-4602-6

Abstract: This paper investigates the problem of consensus for delayed multi-agent systems with stochastic perturbation via dual-stage impulsive approach. A novel dual-stage impulsive control technique is adopted in the field of consensus of multi-agent systems. Furthermore,… read more here.

Keywords: dual stage; consensus delayed; delayed multi; multi agent ... See more keywords
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On a doubly nonlinear PDE with stochastic perturbation

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Published in 2018 at "Stochastics and Partial Differential Equations: Analysis and Computations"

DOI: 10.1007/s40072-018-0128-7

Abstract: We consider a doubly nonlinear evolution equation with multiplicative noise and show existence and pathwise uniqueness of a strong solution. Using a semi-implicit time discretization we get approximate solutions with monotonicity arguments. We establish a-priori… read more here.

Keywords: pde stochastic; approximate solutions; doubly nonlinear; show existence ... See more keywords
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A coupled finite element-least squares point interpolation/boundary element method for structure-acoustic system with stochastic perturbation method

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Published in 2020 at "Engineering Analysis With Boundary Elements"

DOI: 10.1016/j.enganabound.2020.07.010

Abstract: Abstract Finite element-least squares point interpolation method (FE-LSPIM) developed recently shows some excellent features to improve the calculation accuracy of mechanical problems. In this paper, a coupled finite element-least squares point interpolation method/ boundary element… read more here.

Keywords: finite element; lspim; element method; method ... See more keywords
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Stochastic perturbation of optical Gaussons with bandpass filters and multi-photon absorption

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2018.10.019

Abstract: Abstract This paper retrieves mean free velocity of optical Gaussons that travel with stochastic perturbation in addition to bandpass filters and multi-photon absorption. The Langevin equation is derived and analyzed to arrive at the velocity… read more here.

Keywords: optical gaussons; stochastic perturbation; multi photon; filters multi ... See more keywords
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Stochastic perturbation optimization for discrete-continuous inverse problems

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Published in 2020 at "Geophysics"

DOI: 10.1190/geo2019-0520.1

Abstract: Accurate subsurface modeling and characterization require the prediction of facies and rock properties within the reservoir model. This is commonly achieved by inverting geophysical data, such as seismic reflection data, using a two-step approach either… read more here.

Keywords: rock properties; discrete continuous; perturbation optimization; stochastic perturbation ... See more keywords