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5261
A Review of the Detection Methods for Climate Regime Shifts
Published 2016-01-01“…With the development of nonlinear science, many new methods have been presented for detecting an abrupt dynamic change in recent years, which is useful supplement for the abrupt change detection methods.…”
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5262
Morphometrics and evolution: the challenge of crossing rugged phenotypic landscapes with straight paths
Published 2017-07-01“…Dense sampling of shape space and the use of fully multivariate and, perhaps, nonlinear methods can help forestall potential problems.…”
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5263
Numerical Investigation of Load-Carrying Capacity of GFRP-Reinforced Rectangular Concrete Members Using CDP Model in ABAQUS
Published 2019-01-01“…The present work demonstrates the nonlinear finite element analysis (NLFEA) of 13 concentrically and eccentrically loaded short rectangular concrete column specimens reinforced with GFRP and conventional steel bars. …”
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5264
THERMO-MAGNETO-ELASTIC ANALYSIS IN A CURRENT-CARRYING SHELL WITH CLAMPED PERIMETERS
Published 2020-01-01“…Based on the kinetic equations, geometric equations, physical equations, and electrodynamics equations, the fundamental equations of a current-carrying shell under the interaction of a mechanical field,an electromagnetic field,and a temperature field were given. The nonlinear partial differential equations including 10 basic unknown variables were established.Using Newmark’s stable finite equidifferent formulas,normal type which can be solved by the discrete-orthogonalization method was obtained. …”
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5265
Bayesian Inference of Elevation to Reduce Large Interpolation Errors in 2-d Road Features Draped Over Digital Elevation Models
Published 2024-01-01“…In the case of road networks, these errors have a severe and nonlinear effect on cycling route planners and transport models, especially those based on open elevation data. …”
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5266
Effect of Gear Eccentricity on Dynamic Behavior of Locomotive Rolling Stock Transmission System
Published 2023-01-01“…The gear transmission sub-system and the locomotive system are coupled through the gear meshing, suspension system and wheel-rail interactions. The nonlinear factors such as gear backlash, time-varying meshing stiffness, track geometric irregularity and wheel-rail contact are considered in detail. …”
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5267
Adaptive Controller Design for Improving Helicopter Flying Qualities
Published 2025-01-01“…An adaptive controller is designed according to the developed method for the UH-60A helicopter based on a nonlinear simulation program. Typical response types are also implemented. …”
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5268
Improving the Validity of Squeeze Film Air-Damping Model of MEMS Devices with Border Effect
Published 2014-01-01“…In this paper, we use Green’s function to solve the nonlinear Reynolds equation with inhomogeneous boundary conditions. …”
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5269
Fractional-Order Sliding Mode with Active Disturbance Rejection Control for UAVs
Published 2025-01-01“…Firstly, the dynamic model of the UAV is established, and its nonlinear dynamic characteristics are analyzed in detail. …”
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5270
Combined lock-in thermography and heat flow measurements for analysing heat dissipation during fatigue crack propagation
Published 2015-09-01“…Whereas the thermography measurements show a linear decrease of the signal with rising crack length, the heat flow measurements show a clearly nonlinear dependency. Obviously the measured energies in thermography and peltier based heat flow measurement are not comparable.…”
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5271
The New Solitary Solutions to the Time-Fractional Coupled Jaulent–Miodek Equation
Published 2021-01-01“…Materials such as photovoltaic-photorefractive, polymer, and organic contain spatial solitons and optical nonlinearities, which can be identified by seeking from energy-dependent Schrödinger potential. …”
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5272
Prediction and Analysis of Slope Stability Based on IPSO-SVM Machine Learning Model
Published 2022-01-01“…In the evaluation and prediction of slope stability, the traditional numerical analysis method, which is over reliant on experience, takes a large amount of computing time and lacks the ability to reflect the fuzzy and nonlinear characteristics of slope parameters well. …”
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5273
Precision assembly error analysis of parts based on multi-constraint surface matching
Published 2025-01-01“…To solve the model, Spatial Pyramid Matching with chaotic mapping is employed for population initialization, thereby enhancing population diversity. A nonlinear control mechanism is further introduced to dynamically adjust inertia weight, and a simulated annealing mechanism is integrated into the particle swarm optimization algorithm to enhance the efficiency of the surface matching process. …”
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5274
Trajectory Tracking Control of Robot based on Improved Genetic Algorithm
Published 2016-01-01“…The motion track of the robot in the process of motion is influenced by small disturbance linear error,the robot system is a multi variable nonlinear control system,and in the traditional genetic algorithm for trajectory tracking control,the steady- state tracking error appearances in the boundary layer. …”
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5275
Fatigue life estimation in welded joints under multiaxial loadings
Published 2009-06-01“…In more detail, fatigue life of welded joints under multiaxial stress states can be evaluated by considering a nonlinear combination of the shear stress amplitude (acting on the critical plane) and the amplitude and the mean value of the normal stress (acting on the critical plane). …”
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5276
Analysis of the Influence of Error on Load Sharing Characteristic of Planetary Transmission System
Published 2017-01-01“…A nonlinear transverse-torsional coupled dynamics model for planetary gear sets is established with considering time-varying meshing stiffness and gear backlash,and the changes of dynamic load sharing characteristics are analyzed when errors and error phase angles exist on individual or multiple components. …”
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5277
Assessment of resilient modulus of soil using hybrid extreme gradient boosting models
Published 2024-12-01“…In BKA-XGBOOST, XGBOOST captures the many-to-one nonlinear relationship between geotechnical factors and MR, while BKA provides the optimal hyperparameters for XGBOOST. …”
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5278
Heat Transfer in Boundary Layer Magneto-Micropolar Fluids with Temperature-Dependent Material Properties over a Stretching Sheet
Published 2020-01-01“…With the aid of similarity conversion analysis, the formulated equations of the flow and heat transfer have been translated into a system of nonlinear ordinary differential equations. Subsequently, Runge–Kutta–Fehlberg integration scheme in company of shooting techniques employed to obtain numerical solutions to the reduced equations. …”
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5279
Complexities in Assessing Structural Health of Civil Infrastructures
Published 2017-01-01“…An unscented Kalman filter (UKF) concept is developed for highly nonlinear dynamic systems. It is denoted as 3D UKF-UI-WGI. …”
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5280
Application of EMPE and KP-KELM in Fault Diagnosis of Planetary Gearbox
Published 2019-05-01“…According to the nonlinear and non-stationary of the planetary gearbox vibration signal fault characteristics is difficult to extract and the problem of low classification accuracy Gaussian kernel extreme learning machine based on random generation kernel parameters, a method for identifying the state of planetary gearboxes with enhence multi-scale permutation entropy (EMPE) and nuclear-polarized Gaussian kernel extreme learning machine (KELM) is proposed. …”
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