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721
Study on Early Warning of Karst Collapse Based on the BP Neural Network
Published 2022-01-01“…According to the basic theory of the BP neural network, the calculation formulas of multilayer feedforward and error back propagation processes are derived, and the two-dimensional and three-dimensional finite element models of gravity dams without and with sliding blocks are established, respectively. …”
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722
Analysis of Force Distribution of Four Rows of Bolts in Aircraft Fitting Joint
Published 2021-01-01“…With the help of 3D modeling software and finite element analysis software, the force distribution of four rows of bolts in the aircraft fitting joint is obtained in this paper. …”
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723
The Performance of Resistance Progressive Collapse Analysis for High-Rise Frame-Shear Structure Based on OpenSees
Published 2017-01-01“…Flexibility-based method for modeling shear wall finite element and multi-vertical-line element (SFI-MVLEM) was proposed. …”
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724
Numerical Investigation of Distribution Laws of Shear Force in Box Girder Webs
Published 2019-01-01“…To study the shear force distribution laws of a box girder with a single-box multichamber (SB-MC) configuration for different supporting conditions, numbers of webs, stiffness of end diaphragm, and web thickness values, a box girder with SB-MC was numerically simulated using three-dimensional finite element model. According to the comparison results of web shear force, the concept of η, a shear-increased coefficient for webs, was introduced. …”
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725
Axial Compressive Behavior of Glass Fiber-Reinforced Hollow Concrete Columns
Published 2022-01-01“…To investigate the axial compression behavior of glass fiber-reinforced polymer tubes filled with reinforced hollow concrete members, the finite element model was established in ABAQUS. The correctness of the finite element model was verified by comparing the simulation results with the existing test results. …”
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726
Effects of Rapid Water-Level Fluctuations on the Stability of an Unsaturated Reservoir Bank Slope
Published 2020-01-01“…In this study, the changes in seepage field and the distribution of the unsaturated zone of a reservoir bank slope subjected to rapid water-level fluctuations are investigated using the finite element method. The stability analysis of a reservoir slope under water-level fluctuation with a rate of 2 m/day is performed. …”
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727
Elasticity Solutions for Sandwich Arches considering Permeation Effect of Adhesive
Published 2020-01-01“…The present solution agrees well with the finite element solution with a fine mesh, while the finite element method is time consuming in mesh division and calculation. …”
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728
Development of 3D CAD/FEM Analysis System for Natural Teeth and Jaw Bone Constructed from X-Ray CT Images
Published 2010-01-01“…A three-dimensional finite element model of the lower first premolar, with the three layers of enamel, dentin, and pulp, and the mandible, with the two layers of cortical and cancellous bones, was directly constructed from noninvasively acquired CT images. …”
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729
Effect of Reduced 𝑘0 Zone on Time-Dependent Analysis of Tunnels
Published 2011-01-01“…The tunnel is circular in cross-section with a 5.9 m outer diameter. The finite element analyses were carried out using elastic-plastic and modified Cam clay models for the soil. …”
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730
Fracture simulation of concrete beams to assess softening behavior by varying different fractions of aggregates
Published 2024-01-01“…The present research focussed on assess softening behavior by varying different fractions of aggregates and cement matrix in micro details. Extended Finite Element Method (XFEM) for crack modeling implemented for simulating and visualizing crack propagation through Cement matrix, Interfacial Transition Zone (ITZ) and Aggregates . …”
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731
Seismic Stability of Loess Tunnel with Rainfall Seepage
Published 2020-01-01“…Considering fluid-solid coupling, the calculation model of a loess tunnel is established according to the finite element method (FEM). Based on porous media seepage theory and rainfall infiltration depth theory and considering the infiltrated depth of the loess surface for different rainfall intensities over a certain period, the stability of a loess tunnel under different rainfall amounts and loess cover thicknesses is studied using the dynamic finite element static strength reduction method. …”
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732
Experimental and Numerical Analysis of Shear Performance of 16 m Full-Scale Prestressed Hollow Core Slabs
Published 2024-12-01“…By comparing the failure modes and load–displacement curves, the reliability and applicability of the finite element model were verified.…”
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733
Energy Response Analysis of Continuous Beam Bridges with Friction Pendulum Bearing by Multihazard Source Excitations
Published 2020-01-01“…A three-dimensional finite element analysis of a multispan continuous concrete girder bridge with FPB was established using the nonlinear time-history method to verify the accuracy of analytical modelling. …”
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734
Numerical Analysis of a Train-Bridge System Subjected to Earthquake and Running Safety Evaluation of Moving Train
Published 2016-01-01“…Taking a long span cable-stayed bridge across the Huangpu River as an example, a full three-dimensional finite element model of the train-bridge system was established, in which the soil-bridge and rail-train interactions were considered. …”
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735
Short-Term Creep Experiment of Cement Asphalt Mortar and Its Numerical Simulation
Published 2016-01-01“…Based on the requirements of finite element software, the Prony series of Burgers model was obtained, and the short-term creep process of CA mortar was simulated by the finite element software ANSYS. …”
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736
Improved Shape-Finding Method and Parametric Study for Designing Asymmetric Suspension Bridges in Mountainous Terrain
Published 2023-01-01“…In the iterative process, the shape of the cable is determined based on the equilibrium equations, and the hanger forces are calculated through the nonlinear finite element analysis. After deciding the bridge’s initial state, the asymmetry parameters’ effects are carefully investigated through finite element analysis under the static and seismic conditions. …”
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737
Experimental Study and Numerical Simulation on Failure Process of Reinforced Concrete Box Culvert
Published 2020-01-01“…After validating the finite element models, mechanical properties of reinforcement and concrete of BCs were analyzed. …”
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738
Ultimate Pullout Capacity of a Square Plate Anchor in Clay with an Interbedded Stiff Layer
Published 2020-01-01“…The rationality of the finite element numerical calculation results and the empirical formula is verified by comparing the results from this study with results previously reported in the literature.…”
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739
Effect of Deficiencies in the Tunnel Crown Thickness on Pressure Tunnels with Posttensioned Concrete Linings
Published 2018-01-01“…Based on the lining parameters of the Yellow River Crossing Tunnel, the modeling approach of the posttensioned concrete lining is introduced in detail and a three-dimensional finite element model is established. The three-dimensional finite element model is validated by experimental results from the full-scale model experiment of the Yellow River Crossing Tunnel. …”
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740
Empirical Mode Decomposition of the Acceleration Response of a Prismatic Beam Subject to a Moving Load to Identify Multiple Damage Locations
Published 2012-01-01“…In this paper, the technique is further tested using the response of a discretized finite element beam with multiple damaged sections modeled as localized losses of stiffness. …”
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