Articles with "deterministic stochastic" as a keyword



A linearization scheme for vibrations due to combined deterministic and stochastic loads

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Published in 2020 at "Probabilistic Engineering Mechanics"

DOI: 10.1016/j.probengmech.2020.103028

Abstract: Abstract Nonlinear vibrations due to combined deterministic and stochastic loads are investigated through a novel linearization scheme. The steady-state motion is expressed as a sum of an ensemble mean (deterministic) part and a zero-mean stochastic… read more here.

Keywords: vibrations due; due combined; stochastic loads; combined deterministic ... See more keywords
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COVID-19 deterministic and stochastic modelling with optimized daily vaccinations in Saudi Arabia

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Published in 2021 at "Results in Physics"

DOI: 10.1016/j.rinp.2021.104629

Abstract: In this paper, we investigate the stochastic nature of the COVID-19 temporal dynamics by generating a fractional-order dynamic model and a fractional-order-stochastic model. Initially, we considered the first and second vaccination doses as multiple vaccinations… read more here.

Keywords: optimized daily; covid deterministic; modelling optimized; deterministic stochastic ... See more keywords
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Deterministic and Stochastic Fixed-Time Stability of Discrete-time Autonomous Systems

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Published in 2022 at "IEEE/CAA Journal of Automatica Sinica"

DOI: 10.1109/jas.2023.123405

Abstract: This paper studies deterministic and stochastic fixed-time stability of autonomous nonlinear discrete-time (DT) systems. Lyapunov conditions are first presented under which the fixed-time stability of deterministic DT systems is certified. Extensions to systems under deterministic… read more here.

Keywords: time; stochastic fixed; time stability; fixed time ... See more keywords
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Fault parameter identification in rotating system: Comparison between deterministic and stochastic approaches

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Published in 2021 at "Structural Health Monitoring"

DOI: 10.1177/1475921720981737

Abstract: Fault identification is a recurrent topic in rotating machines field. The evaluation of fault parameters allows better maintenance of such expensive and, sometimes, large machines. Unbalance is one of the most common faults, and it… read more here.

Keywords: parameter identification; fault; fault parameter; stochastic approaches ... See more keywords
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Global dynamics of a novel deterministic and stochastic SIR epidemic model with vertical transmission and media coverage

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Published in 2020 at "Advances in Difference Equations"

DOI: 10.1186/s13662-020-03145-3

Abstract: In this paper, we study a novel deterministic and stochastic SIR epidemic model with vertical transmission and media coverage. For the deterministic model, we give the basic reproduction number R 0 $R_{0}$ which determines the… read more here.

Keywords: sir epidemic; novel deterministic; epidemic model; deterministic stochastic ... See more keywords
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Optimizing COVID-19 vaccine distribution across the United States using deterministic and stochastic recurrent neural networks

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Published in 2021 at "PLoS ONE"

DOI: 10.1371/journal.pone.0253925

Abstract: Optimizing COVID-19 vaccine distribution can help plan around the limited production and distribution of vaccination, particularly in early stages. One of the main criteria for equitable vaccine distribution is predicting the geographic distribution of active… read more here.

Keywords: covid vaccine; optimizing covid; vaccine distribution; deterministic stochastic ... See more keywords
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Work and Thermal Fluctuations in Crystal Indentation under Deterministic and Stochastic Thermostats: The Role of System–Bath Coupling

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Published in 2022 at "Entropy"

DOI: 10.3390/e24091309

Abstract: The Jarzynski equality (JE) was originally derived under the deterministic Hamiltonian formalism, and later, it was demonstrated that stochastic Langevin dynamics also lead to the JE. However, the JE has been verified mainly in small,… read more here.

Keywords: system; stochastic thermostats; indentation; work thermal ... See more keywords
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A Comparative Study of Deterministic and Stochastic Models of Microstructure Evolution during Multi-Step Hot Deformation of Steels

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Published in 2023 at "Materials"

DOI: 10.3390/ma16093316

Abstract: Modern construction materials, including steels, have to combine strength with good formability. In metallic materials, these features are obtained for heterogeneous multiphase microstructures. Design of such microstructures requires advanced numerical models. It has been shown… read more here.

Keywords: grain size; hot deformation; size; deterministic stochastic ... See more keywords
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Statistical Inference of COVID-19 Outbreak: Delay Distribution Effect in EQIR Modeling of Epidemic

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Published in 2022 at "Journal of Medical Signals and Sensors"

DOI: 10.4103/jmss.jmss_134_21

Abstract: Background: The world is experiencing another pandemic called COVID-19. Several mathematical models have been proposed to examine the impact of health interventions in controlling pandemic growth. Method: In this study, we propose a fractional order… read more here.

Keywords: inference covid; rate; model; deterministic stochastic ... See more keywords