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4601
A Survey of Insulin-Dependent Diabetes—Part I: Therapies and Devices
Published 2008-01-01“…However, the complete replacement of exogenous insulin is still a challenging issue because of its complexity of modeling the dynamics, which is typically modeled nonlinearly. On the other hand, thanks to the progress of medical devices, currently the diabetes therapies are being automated. …”
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4602
Torsional Oscillations in Automotive Transmissions: Experimental Analysis and Modelling
Published 2016-01-01“…Moreover, the effects of the nonlinearities associated with the mean value of the excitations are shown. …”
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4603
A Probabilistic Assessment Model for Train-Bridge Systems: Special Attention on Track Irregularities
Published 2021-01-01“…In this paper, a probabilistic model devoted to investigating the dynamic behaviors of train-bridge systems subjected to random track irregularities is presented, in which a train-ballasted track-bridge coupled model with nonlinear wheel-rail contacts is introduced, and then a new approach for simulating a random field of track irregularities is developed; moreover, the probability density evolution method is used to describe the probability transmission from excitation inputs to response outputs; finally, extended analysis from three aspects, that is, stochastic analysis, reliability analysis, and correlation analysis, are conducted on the evaluation and application of the proposed model. …”
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4604
Estimation of the Dynamic Moduli of Viscoelastic Asphalt Mixtures Using the Extended Kalman Filter Algorithm
Published 2018-01-01“…We compared IRT-derived viscoelastic master curves obtained via compressive frequency sweep testing to those derived using the EKF algorithm, which employs a nonlinear sigmoidal curve and a Taylor series to explore the viscoelastic function. …”
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4605
Flexible Temporary Shield in Soft and Sensitive Clay: 3D FE Modelling of Experimental Field Test
Published 2021-01-01“…The excavation trench model was 6 m (20 ft) deep and was considered as nonlinear and anisotropic clay. A 45 kPa (0.94 ksf) surface overload on top of the soil near the trench box was also simulated to produce a maximum load case on the flexible wall of the shield. …”
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4606
Advanced Fractional Mathematics, Fractional Calculus, Algorithms and Artificial Intelligence with Applications in Complex Chaotic Systems
Published 2023-12-01“…As a long-term aperiodic and random-like behavior manifested by many nonlinear complex dynamic systems, chaos induces that the system itself is inherently unstable and disordered, which requires the revealing of representative and accessible paths towards affluence of complexity and experimental processes so that novelty, diversity and robustness can be generated. …”
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4607
The triglyceride-glucose index trajectories are associated with cardiovascular diseases in people living with HIV: evidence from a prospective cohort study in China, 2005–2022
Published 2025-02-01“…While women also demonstrated a nonlinear association with a similar threshold (8.484), the relationship above the threshold was not statistically significant. …”
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4608
Association of glucose to lymphocyte ratio with the risk of death in patients with atherosclerotic cardiovascular disease
Published 2025-01-01“…Notably, the relationship between GLR and all-cause mortality exhibited a J-shaped nonlinear pattern, with an inflection point at 3.13.…”
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4609
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4610
Transportation System Vulnerability Assessment considering Environmental Impact
Published 2022-01-01“…Hence, the problem is formulated as a nonlinear programme with equilibrium constraints, considering travelers’ route choice behavior. …”
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4611
Solving Fractional-Order Diffusion Equations in a Plasma and Fluids via a Novel Transform
Published 2022-01-01“…Also, the proposed method helps many plasma physicists in modeling several nonlinear structures such as solitons, shocks, and rogue waves in different plasma systems.…”
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4612
An Improved Method of EWT and Its Application in Rolling Bearings Fault Diagnosis
Published 2020-01-01“…The permutation entropy (PE) is used to construct feature vectors for its strong induction ability of dynamic changes of nonstationary and nonlinear signals. The crucial parameter penalty factor C and kernel parameter g of SVM are optimized by quantum genetic algorithm (QGA). …”
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4613
Constitutive Model of Solid Backfill Materials and Numerical Simulation of Overburden Movement and Deformation in Backfill Mining
Published 2021-01-01“…The influence of mining height and mining depth on the deformation of key strata of overburden and surface subsidence is approximately linear, while the influence of the initial compaction rate is nonlinear.…”
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4614
The Optimal Machine Learning Model for the Precise Prediction of HighPerformance Concrete Strength Property
Published 2023-03-01“…Assessment of compressive strength, especially for high-performance concrete, is first due to the nonlinear relationship between the compressive strength and the concrete constituents. …”
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4615
The Complexity Analysis for Price Game Model of Risk-Averse Supply Chain Considering Fairness Concern
Published 2018-01-01“…The stability of the system and the influences of different parameter values on utilities are analyzed emphatically using game theory and nonlinear dynamic theory, such as 2D and 3D bifurcation diagram, parameter plot basin, chaos attractor, and sensitivity to initial value. …”
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4616
A New Method to Calculate Additional Damping Ratio considering the Effect of Excitation Frequency
Published 2020-01-01“…An innovative simplified calculation method for determining the ADR of a structure supplemented by nonlinear viscous dampers is proposed. This method does not require the dynamic response of the structure to be calculated and only requires the structural characteristics, excitation frequency, and damper parameters. …”
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4617
Separation effectiveness of ideal ion exchange membranes: Application of the Gibbs-Donnan theory.
Published 2025-01-01“…For both cases, the presented nonlinear algebraic equations require in general the use of numerical methods to approximate their mathematical solutions, although we present as well some closed solutions for simple cases with ideal ionic mixtures. …”
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4618
Evaluation of Induced Settlements of Piled Rafts in the Coupled Static-Dynamic Loads Using Neural Networks and Evolutionary Polynomial Regression
Published 2017-01-01“…Since the analyses, especially in the case of coupled static-dynamic loads, are not simply conducted, this paper presents two practical methods to gain the values of settlement. First, different nonlinear finite difference models under different static and coupled static-dynamic loads are developed to calculate exerted settlements. …”
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4619
Numerical Investigation of Complex Thermal Coal-Gas Interactions in Coal-Gas Migration
Published 2018-01-01“…In this study, the fully coupled transient model combines the relationship of gas flow, heat transfer, coal mass deformation, and gas migration under variable temperature conditions and represents an important nonlinear response to gas migration caused by the change of effective stress. …”
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4620
On quasi-integrable deformation scheme of the KdV system
Published 2025-01-01“…One such system maps to the known quasi-deformed nonlinear Schrödinger (NLS) soliton in the already known weak-coupling limit, whereas a generic scaling of the KdV amplitude $$u\rightarrow u^{1+\varepsilon }$$ also suggests quasi-integrability under an order-by-order expansion. …”
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