Results 21 to 30 of about 5,819,297 (274)

New Second-Order Finite Difference Scheme for the Problem of Contaminant in Groundwater Flow

open access: yesJournal of Applied Mathematics, 2012
We develop a new efficient second-order finite difference scheme for two-dimensional problem of contaminant in groundwater flow. Theoretical analysis shows that the scheme is second-order convergence in the L2 norm and is unconditionally stable ...
Quanyong Zhu   +3 more
doaj   +1 more source

B(s) → ηc(P,V) decays and effects of the next-to-leading order contributions in the perturbative QCD approach

open access: yesNuclear Physics B, 2020
By employing the perturbative QCD (PQCD) factorization approach, we studied the sixteen B/Bs→ηc(π,K,η(′),ρ,K⁎,ω,ϕ) decays with the inclusion of the currently known next-to-leading order (NLO) contributions. We found the following main points: (a) for the
Zhen-Jun Xiao, Da-Cheng Yan, Xin Liu
doaj   +1 more source

Probabilistic Reachability Analysis for Large Scale Stochastic Hybrid Systems [PDF]

open access: yes, 2007
This paper studies probabilistic reachability analysis for large scale stochastic hybrid systems (SHS) as a problem of rare event estimation. In literature, advanced rare event estimation theory has recently been embedded within a stochastic analysis ...
Bakker, G.J., Blom, H.A.P., Krystul, J.
core   +2 more sources

Robust Design of Docking Hoop for Recovery of Autonomous Underwater Vehicle with Experimental Results

open access: yesRobotics, 2015
Control systems prototyping is usually constrained by model complexity, embedded system configurations, and interface testing. The proposed control system prototyping of a remotely-operated vehicle (ROV) with a docking hoop (DH) to recover an autonomous ...
Wei Peng Lin   +4 more
doaj   +1 more source

Large deviations in boundary-driven systems: Numerical evaluation and effective large-scale behavior [PDF]

open access: yes, 2012
We study rare events in systems of diffusive fields driven out of equilibrium by the boundaries. We present a numerical technique and use it to calculate the probabilities of rare events in one and two dimensions.
Bouchet F.   +13 more
core   +1 more source

Effects of weak disorder on the thermalization of Fermi–Pasta–Ulam–Tsingou model

open access: yesNew Journal of Physics, 2020
We study the effects of two kinds of weak disorders on the thermalization of the Fermi–Pasta–Ulam–Tsingou model by extensive numerical simulations. The disorders are introduced to the mass of atom or coefficient of the quadratic term of potential energy.
Lulu Sun, Zhenjun Zhang, Peiqing Tong
doaj   +1 more source

Dissipativity Analysis of Large-Scale Networked Systems

open access: yesApplied Sciences, 2023
This paper investigates the dissipativity analysis of large-scale networked systems with linear time-invariant dynamics. The networked system is composed of a large number of subsystems whose connections are arbitrary, and each subsystem can have ...
Yuanfei Sun, Jirong Wang, Huabo Liu
doaj   +1 more source

Adaptive performance optimization for large-scale traffic control systems [PDF]

open access: yes, 2011
In this paper, we study the problem of optimizing (fine-tuning) the design parameters of large-scale traffic control systems that are composed of distinct and mutually interacting modules.
Aboudolas, K()   +6 more
core   +2 more sources

Large-scale neuromorphic computing systems

open access: yesJournal of Neural Engineering, 2016
Neuromorphic computing covers a diverse range of approaches to information processing all of which demonstrate some degree of neurobiological inspiration that differentiates them from mainstream conventional computing systems. The philosophy behind neuromorphic computing has its origins in the seminal work carried out by Carver Mead at Caltech in the ...
openaire   +2 more sources

A new test framework for communications-critical large scale systems [PDF]

open access: yes, 2015
None of today’s large scale systems could function without the reliable availability of a varied range of network communications capabilities. Whilst software, hardware and communications technologies have been advancing throughout the past two decades ...
Hierons, RM, Nabulsi, MA
core   +1 more source

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