-
1581
Numerical simulation of thermal barrier coating in gas turbine combustion chamber liner: a comparative study of YSZ and PSZ
Published 2025-01-01“…This study investigates the potential of Yttria-Stabilized Zirconia (YSZ) and Partially Stabilized Zirconia (PSZ) thermal barrier coatings (TBCs) in improving gas turbine performance through a theoretical simulation. Using the finite element method, we compared temperature and thermal flow distributions within YSZ and PSZ coated combustion chambers against an uncoated Ni substrate liner wall. …”
Get full text
Article -
1582
Vibration and Dynamic Response of Buffering Devices during the Vertical Feeding of Coal Mine Solid Backfill Materials
Published 2018-01-01“…Based on the characteristics of the vertical feeding system, the functional characteristics of buffering devices were analyzed and a buffering device was designed in this paper. The finite element models for the buffering device were established by using the ANSYS software, and the dynamic response and mode characteristics of these models were studied. …”
Get full text
Article -
1583
Advanced Damage Monitoring in Beam Structures Using Grey Wolf Optimizer and Additional Masses
Published 2025-01-01“…A custom MATLAB code was developed to perform finite element analysis on the numerical model. The results were validated against previously published experimental data, demonstrating the method’s reliability with a 5% difference. …”
Get full text
Article -
1584
A Comparison Study on Co- and Counterrotating Dual-Rotor System with Squeeze Film Dampers and Intermediate Bearing
Published 2017-01-01“…Nonlinear dynamic model of a coaxial rotor system was established with a method combining the finite element method and the fixed interface modal synthesis method. …”
Get full text
Article -
1585
Bending and Shear Experimental Tests and Numerical Analysis of Composite Slabs Made Up of Lightweight Concrete
Published 2016-01-01“…Nonlinear numerical simulations were performed by means of the finite element method (FEM). Four different multilinear isotropic hardening laws were used to simulate the four concretes. …”
Get full text
Article -
1586
Variable Modal Parameter Identification for Non-Linear Mdof Systems. Part II: Experimental Validation and Advanced Case Study
Published 2000-01-01“…An advanced numerical case study that included both inherent structural damping and non-linear friction damping, was considered next. The linear finite element model of a high-pressure turbine blade was used in conjunction with three local non-linear friction damper elements. …”
Get full text
Article -
1587
Identification of Behavioral Features of Bridge Structure Based on Static Image Sequences
Published 2020-01-01“…The research results show that the output data of our NRS method were basically consistent with the finite-element prediction (maximum error: 11.11%) and dial gauge measurement (maximum error: 12.12%); the NRS method is highly sensitive to the actual deformation of the bridge structure under different damage conditions and can capture the deformation in a continuous and accurate manner. …”
Get full text
Article -
1588
Hydraulic Fracturing Mechanism of Rock Mass under Stress-Damage-Seepage Coupling Effect
Published 2022-01-01“…Based on the theory of elasticity and Weibull distribution, the statistical damage constitutive model of rock mass and the finite element numerical algorithm are established, by adopting the COMSOL Multiphysics numerical software and MATLAB program. …”
Get full text
Article -
1589
Stability Assessment of Concrete Gravity Dams via Multifidelity Surrogate Models
Published 2025-01-01“…To illustrate this, the seismic behavior of a gravity dam is assessed by means of a HF nonlinear finite element model that considers geometric, material, and seismic uncertainties. …”
Get full text
Article -
1590
Mechanical Properties of New Composite Wood-Plastic Formworks with Aluminum Alloy Frame
Published 2020-01-01“…Numerical analyses confirm that the results of the refined and general finite element models are consistent with the experimental results, but the former has a higher accuracy. …”
Get full text
Article -
1591
An Automated Procedure for Assessing Local Reliability Index and Life-Cycle Cost of Alternative Girder Bridge Design Solutions
Published 2019-01-01“…The method is based on the finite element modeling of the bridge and uses design traffic models as suggested by international technical standards. …”
Get full text
Article -
1592
The Analytical Method to Compute the Strain on the Soft PSD in Double-Pulse SRM
Published 2019-01-01“…In order to study the failure mechanism of the soft PSD in the double-pulse solid rocket motor (SRM), a two-dimensional axisymmetric finite element method (FEM) model of the stress process of the soft PSD is established. …”
Get full text
Article -
1593
The Study on Cracking Strength of AIJs to Release the Early-Age Stress of Mass Concrete
Published 2015-01-01“…With respect to the coupling influences of various factors such as size and boundary of AIJs, an analytical model for its cracking strength on the setting section of mass concrete is proposed based on double-parameter fracture theory. A kind of hyper-finite element analysis (FEA) for many array AIJs in simplified plane pate is also presented by using bilinear cohesive force distribution. …”
Get full text
Article -
1594
Recommendation of Suitable Loading Waveforms and Wavelength Equations for Dynamic Modulus Based on Measured Wheel Loads
Published 2019-01-01“…Specifically, the vertical compressive stress of different pavement structures was calculated by utilizing a three-dimensional finite element program incorporating with the measured wheel loads. …”
Get full text
Article -
1595
Effect of Different Types of Middle Columns on the Seismic Performance of Single-Story Subway Station Structure
Published 2021-01-01“…In view of the seismic weak component of the single-frame-type subway station structure, the three-dimensional (3D) time-domain nonlinear finite element static-dynamic coupling analysis model of interaction between soil and subway station structure is established by, respectively, using rectangular reinforced concrete (RRC) columns, circular reinforced concrete (CRC) columns, and prefabricated concrete-filled steel tube (CFST) columns with a quick-connection device proposed in this article. …”
Get full text
Article -
1596
Revampment of surface permanent magnet synchronous motor design for ameliorated torque profile in e‐mobility applications
Published 2021-06-01“…The developed relationship has been validated in the finite element model of the machine. Gradient‐based nonlinear sequential programming has been used to find out the optimum magnetic embrace for the minimised torque ripple. …”
Get full text
Article -
1597
Evolutionary Algorithm Geometry Optimization of Optical Antennas
Published 2016-01-01“…The characterizations were conducted via finite element method (FEM) computational simulations.…”
Get full text
Article -
1598
Seismic Performance and Mechanical Mechanism of Steel-Enhanced Damping Concrete Core Wall with Concealed Steel Plate Bracings under Oblique Loading
Published 2022-01-01“…A much more serious damage was also found in the wall limbs of oblique tested core walls by comparing with the unidirectional test core walls. Then finite element analysis (FEA) was also carried out to study the axial compression ratio (n), coupling beam span-depth ratio (l/h) on the stress distributions, and effective width of the end wall limbs (be). …”
Get full text
Article -
1599
Theorical study on mechanical properties of AZ31B Magnesium alloy Sheets under multiaxial loading
Published 2016-10-01“…The activity of characterization and modeling of material behavior of the plastic deformation shaping remains a very important research field of activity; the objective of proposing laws of behavior used in computer codes, essentially based on finite element is sufficiently to represent the real behavior of materials. …”
Get full text
Article -
1600
Concept Modelling of Vehicle Joints and Beam-Like Structures through Dynamic FE-Based Methods
Published 2014-01-01“…For the concept beams, the proposed method is based on a dynamic finite element (FE) approach, which estimates the stiffness characteristics of equivalent 1D beam elements using the natural frequencies, computed by a modal analysis of the detailed 3D FE model of the structure. …”
Get full text
Article