-
5741
A Rheological Model of Sandstones considering Response to Thermal Treatment
Published 2019-01-01“…Based on the equation, a nonlinear visco-elastoplastic rheological constitutive model is developed for sandstones. …”
Get full text
Article -
5742
Optimization of Backpropagation Neural Network under the Adaptive Genetic Algorithm
Published 2021-01-01“…This study is to explore the optimization of the adaptive genetic algorithm (AGA) in the backpropagation (BP) neural network (BPNN), so as to expand the application of the BPNN model in nonlinear issues. Traffic flow prediction is undertaken as a research case to analyse the performance of the optimized BPNN. …”
Get full text
Article -
5743
Viscoelastic hydrodynamics and holography
Published 2020-01-01“…Abstract We formulate the theory of nonlinear viscoelastic hydrodynamics of anisotropic crystals in terms of dynamical Goldstone scalars of spontaneously broken translational symmetries, under the assumption of homogeneous lattices and absence of plastic deformations. …”
Get full text
Article -
5744
-
5745
Self-Organization of Polymeric Fluids in Strong Stress Fields
Published 2015-01-01“…We presume that the developed concept can play a central role in understanding strong nonlinear effects in the rheology of viscoelastic liquids.…”
Get full text
Article -
5746
The Quest for a Stable Disk
Published 2025-01-01“…Toomre (1981) claimed that the Mestel disk, embedded in an equal-mass halo, is a notable counterexample, but his prediction of stability could not be reproduced in simulations, due to complicated nonlinear effects that caused secular growth of Poisson noise–driven disturbances until strong features emerged. …”
Get full text
Article -
5747
Earthquake-Induced Domino-Type Progressive Collapse in Regular, Semiregular, and Irregular Bridges
Published 2019-01-01“…In the next step, progressive collapse process of the same bridge with posttensioned voided slab under earthquakes was studied using nonlinear time history analysis. Irregularities of the piers were analyzed parametrically. …”
Get full text
Article -
5748
Fault Diagnosis of Electromechanical Actuator Based on VMD Multifractal Detrended Fluctuation Analysis and PNN
Published 2018-01-01“…However, EMAs often run under variable conditions in realistic environment, and the vibration signals of EMAs are nonlinear and nonstationary, which make it difficult to effectively achieve fault diagnosis. …”
Get full text
Article -
5749
Computational Study on Three-Dimensional Convective Casson Nanofluid Flow past a Stretching Sheet with Arrhenius Activation Energy and Exponential Heat Source Effects
Published 2021-01-01“…The developed model of nonlinear partial differential equations (PDEs) has been transformed into ordinary differential equations (ODEs) using similarity transformations. …”
Get full text
Article -
5750
Monthly Runoff Prediction Based on STL-CEEMDAN-LSTM Model
Published 2024-01-01“…According to the nonlinear and non-stationary characteristics of monthly runoff sequences, the quadratic decomposition method was combined with machine learning to construct a model for predicting monthly runoff. …”
Get full text
Article -
5751
Homotopic Solution for 3D Darcy–Forchheimer Flow of Prandtl Fluid through Bidirectional Extending Surface with Cattaneo–Christov Heat and Mass Flux Model
Published 2021-01-01“…The Prandtl fluid motion is mathematically modeled using the law of conservations of mass, momentum, and energy. The set of coupled nonlinear PDEs is converted to ODEs by employing appropriate similarity relations. …”
Get full text
Article -
5752
A dual-stream model based on PRNU and quaternion RGB for detecting fake faces.
Published 2025-01-01“…The quaternion RGB stream leverages the inherent nonlinear properties of quaternions and their informative representation capabilities to accurately describe changes in image color, background, and spatial structure, facilitating the meticulous capture of nuanced local distinctions between locally manipulated faces and real faces. …”
Get full text
Article -
5753
Analysis of Model Parameters for a Polymer Filtration Simulator
Published 2011-01-01“…The simulator is a three-dimensional, time-dependent discretization of a coupled system of nonlinear partial differential equations used to model fluid flow and debris transport, along with statistical relationships that define debris distributions and retention probabilities. …”
Get full text
Article -
5754
Design of a Robust Coordinated Power Oscillation Damper for Use with Large-Scale Wind Energy System Connected to a Multimachine Power System
Published 2022-01-01“…Probabilistic analysis established on Monte Carlo simulation is then carried out to prove the robustness of the coordinated design strategy under diverse operating conditions. Nonlinear time-domain simulations are used to verify the damping performance and robustness of the proposed strategy under different operating scenarios.…”
Get full text
Article -
5755
Experimental characterisation of fatigue crack growth based on the CTOD measured from crack tip displacement fields using DIC
Published 2019-10-01“…The plastic CTOD was found to be directly related to the nonlinear zone (i.e., plastic deformation) generated at the crack tip during fatigue propagation. …”
Get full text
Article -
5756
New Aspects in the Mechanical Behavior of a Polycarbonate Found by an Experimental Study
Published 2018-01-01“…The newest finding is that a nonlinear master transverse strain/axial strain curve matches perfectly with the experimental curves. …”
Get full text
Article -
5757
Differentiated Toll Optimization on Goods Vehicles Based on Prediction of Demand for Large-Scale Network
Published 2022-01-01“…At the bottom of the algorithm is an analytical model composed of nonlinear equations whose dimensions scale linearly with the scale of the road network. …”
Get full text
Article -
5758
Prediction and design optimization of mechanical properties for rubber fertilizer hose reinforced with helically wrapped nylon
Published 2024-06-01“…Results showed CPO-GRNN's superiority in handling complex nonlinear problems. Finally, the Non-dominated Sorting Genetic Algorithm II (NSGA-II) was employed for optimization design. …”
Get full text
Article -
5759
Exploration of Unsteady Squeezing Flow through Least Squares Homotopy Perturbation Method
Published 2021-01-01“…The least squares homotopy perturbation method (LSHPM) has been proposed to determine the solutions of nonlinear boundary value problems. To check the validity and convergence of the proposed scheme (LSHPM), the modeled problems are also solved with the Fehlberg–Runge–Kutta method (RKF45) and homotopy perturbation method (HPM) and residual errors are compared with LSHPM. …”
Get full text
Article -
5760
Shaking Table Test of a RC Frame with EPSC Latticed Concrete Infill Wall
Published 2017-01-01“…To achieve a more comprehensive evaluation on the performance of the RC frame with latticed concrete infill walls, further research on its seismic responses is expected by comparing with conventional infill walls and nonlinear analytical method.…”
Get full text
Article