Mechanism of Ultrasonic Guided Wave Excitation and Sensing in Pressure Vessel Structures Under Boundary Condition Effects by Napoleon Kuebutornye, Zipping Wang, Jiazhen Zhang, Dongwei Shang, Qingwei Xia

“… This study proposes a finite element-based multiphysics simulation of ultrasonic guided wave (GW) propagation under pressure conditions in a pressure vessel structure (15 kg LPG cylinder) utilizing boundary conditions. …”
Get full text

Stress Intensity Factors for Corner Cracks under Arbitrary Stress Fields in the Finite Plates Based on the Point Weight Function Method by Guo Li, Huimin Zhou, Junbo Liu, Tongge Xu, Shuiting Ding

“…In sum, 81% of the differences between the point weight function method and finite element results are less than 10%.…”
Get full text

Design of high torque density motors for quadruped robot hip joints by YANG Heming, LIANG Bo, DOU Manfeng, DANG Mengxi, HUA Zhiguang

“…A high torque density motor for quadruped robot hip joints is designed using this method. Finite element simulation is employed to model the motor, and a proof-of-concept prototype is designed based on the proposed analytical design method. …”
Get full text

An Improved Fourier Series Method for the Free Vibration Analysis of the Three-Dimensional Coupled Beams by Runze Zhang, Yipeng Cao, Wenping Zhang, Hongbo Li, Xiangmei Li

“…The accuracy and convergence of the present method are demonstrated by finite element method (FEM) result. Investigation on vibration of the propulsion shafting structure shows the extensive applicability of present method. …”
Get full text

Thermo-Hydromechanical Coupling Responses Driven by a Central Heat Source in Unsaturated Soils by Wei Wang, Jingjing Liu, Jing Chen

“…The coupled calculation process was realized by the finite element method. The hydrothermal coupling characteristics of two cases of unsaturated kaolin clay were studied by using a self-developed test device, and the test results were compared with the numerical results. …”
Get full text

Numerical analysis of isolated end-flattened steel bars under compression in space trusses by Henrique de Araujo Rosa Cruz, Luciano M. Bezerra, Welington Vital da Silva, Ramon Silva

“…The association of numerical analyses using the finite element method (FEM) with previously collected experimental data is performed, and their respective results are the core object of critical analysis in this work. …”
Get full text

Shock Reduction Technique in Thin-Plate Structure Using Elastic Patches with Gradual Thickness Variations by Hyun-Su Park, Dae-Hyun Hwang, Jae-Hung Han

“…All results from ray tracing, finite element analysis, and experiments consistently demonstrated the effective reduction of passing waves in areas behind the attached patches. …”
Get full text

Numerical High-Order Model for the Nonlinear Elastic Computation of Helical Structures by Fatima Boussaoui, Hassane Lahmam, Bouazza Braikat

“…The nonlinearity considered in the following study will be a geometric type, and the kinematics adopted in this numerical modeling takes into account the hypotheses of Timoshenko and de Saint-Venant. The finite element used in the discretization of the middle line of this structure is curvilinear with twelve degrees of freedom. …”
Get full text

Dynamic Model and Quantitative Analysis of Stick-Slip Vibration in Horizontal Well by Baojin Wang, Zhongyang Wang, Fushen Ren

“…The extended Hamilton principle is applied in the paper. Then, finite element method (FEM) is employed to describe the model. …”
Get full text

High-Velocity Impact Behaviour of Prestressed Composite Plates under Bird Strike Loading by Sebastian Heimbs, Tim Bergmann

“…The modelling methodology for the composite material, delamination interfaces, impact projectile, and preload using the commercial finite element code Abaqus are presented in detail. Finally, the influence of prestress and of different delamination modelling approaches on the impact response is discussed and a comparison to experimental test data is given. …”
Get full text

Thermoelasticity Coupling Transient Response of Composite-Material Direction Pipe by Jian-lin Zhong, Jie Ren, Da-wei Ma

“…The thermoelasticity coupling finite element model of the composite-material direction pipe is established, and the stress response under dynamic pressure, unsteady temperature, and coupling state is obtained. …”
Get full text

Topographic Effects on the Seismic Response of Trapezoidal Canyons Subjected to Obliquely Incident SV Waves by Hui Shen, Yaqun Liu, Haibo Li, Bo Liu

“…Formulas for the equivalent nodal forces applied to the truncated boundary are derived and implemented in the finite element method. The validity of the proposed method is verified by a test case. …”
Get full text

Influence of Soil-Structure Interaction on the Seismic Response of a Continuous Bridge with Friction Pendulum System by Bing Li, Chong Fu, Guolong Liu, Wei Wei, Junfa Duan, Bin Wang

“…A three-dimensional finite element analysis was carried out for the influence of soil-structure interaction (SSI) on the seismic response of an isolated continuous bridge with a friction pendulum system (FPS). …”
Get full text

Crashworthiness Design for Bionic Bumper Structures Inspired by Cattail and Bamboo by Tao Xu, Nian Liu, Zhenglei Yu, Tianshuang Xu, Meng Zou

“…In this study, we evaluated the bionic bumper structure models by using nonlinear finite element (FE) simulations for their crashworthiness under full-size impact loading. …”
Get full text

Numerical analysis of isolated end-flattened steel bars under compression in space trusses by Henrique de Araujo Rosa Cruz, Luciano Mendes Bezerra, Welington Vital da Silva, Ramon Silva

“…The association of numerical analyses using the finite element method (FEM) with previously collected experimental data is performed, and their respective results are the core object of critical analysis in this work. …”
Get full text

The Analysis and Modeling of the Synthetical Meshing Stiffness of Inner Gearing considering the Flexible Inner Ring Gear by Shengyang Hu, Zongde Fang

“…The effect of the flexibility of the inner ring gear on the transmission system is ignored in the calculation of making the inner ring gear as a rigid body in the lumped parameter model, while the calculation amount of the finite element model is too large. Therefore, it is very important to establish an accurate and reasonable model to solve the flexibility of the inner ring gear. …”
Get full text

Numerical analysis of sodium diffusion in aluminum electrolysis cathode carbon blocks based on a microstructure multi-factor corrected model. by Chenglong Gong, Tianqi Xu, Huarong Qi, Yan Li

“…A random aggregate model was implemented in Python and imported into finite element software to simulate sodium diffusion using Fick's second law. …”
Get full text

Biomechanical Dynamics of Cranial Sutures during Simulated Impulsive Loading by Z. Q. Zhang, J. L. Yang

“…An idealized bone-suture-bone complex was analyzed using a two-dimensional finite element model. A uniform impulsive loading was applied to the complex. …”
Get full text

Dynamics of inclined CNTRC sandwich beams under a moving mass with influence of CNT agglomeration by Tran, Thi Thom, Nguyen, Dinh Kien

“…The beams compose of a homogeneous core and two composite face layers with effective properties being estimated by Eshelby–Mori–Tanaka approach. A novel finite element formulation is formulated and used to establish the equation of motion. …”
Get full text

Modeling and Stochastic Model Updating of Bolt-Jointed Structure by Ming Zhan, Qintao Guo, Lin Yue, Baoqiang Zhang

“…Radial basis function (RBF) models are used as surrogates of time-consuming finite element model with high resolution to avoid the enormous computational cost. …”
Get full text