Deformation and Rupture of Thin Steel Plates due to Cumulative Loading from Underwater Shock and Bubble Collapse by Julian J. Lee, Malcolm J. Smith, James Huang, Geoffrey T. Paulgaard

“…A fracture analysis was performed on the damaged plates to analyze the mechanisms of failure. Finally, finite-element analysis using a failure criterion based on normalized shear stress and effective strain has been used to examine the failure limits.…”
Get full text

Selective Laser Melting of Diamond-Containing or Postnitrided Materials Intended for Impact-Abrasive Conditions: Experimental and Analytical Study by Ramin Rahmani, Maksim Antonov, Lauri Kollo

“…Modelling with the help of finite element method has shown that lattice structure enables reduction of peak local stresses in scratching and impact conditions.…”
Get full text

Mesoscopic Numerical Simulation of Fracture Process and Failure Mechanism of Concrete Based on Convex Aggregate Model by Yijiang Peng, Xiyun Chen, Liping Ying, Ying Chen, Lijuan Zhang

“…To investigate the fracture process and failure mechanism of concrete subjected to uniaxial compressive loading, a new finite element method—the base force element method (BFEM)—was adopted in the modeling of numerical simulation. …”
Get full text

Simulation and validation of the effect of hydrostatic and non-hydrostatic pressure on contact pressure in a resilient seat butterfly valve by K Yuvaraj, G Arunkumar

“…A 3-inch valve was analyzed under fully closed conditions with and without internal pressure. Finite Element Analysis simulated the contact pressure distribution at the disc-seat interface, revealing pressures ranging between 6.2 MPa and 12.9 MPa, which exceed the applied hydrostatic pressure, ensuring effective containment. …”
Get full text

Research on Optimal Design of Pressure Relief Blasting Parameters of Middle Rock Pillar in Near Vertical Coal Seam by Yadi Wang, Shiqi Yu, Hai Rong, Liting Pan

“…In order to achieve the optimal blasting effect, the finite element numerical simulation software GTS NX is used to carry out the chamber rock mass hole blasting simulation experiment, the three influencing factors of blasting effect, such as charge quantity, blast hole diameter, and blast hole row spacing, are comprehensively considered, and the optimal pressure relief blasting parameters with the radius of borehole blasting crack circle and the width of plastic zone as the index are determined. …”
Get full text

Experimental Investigation of Thermal Modal Characteristics for a Ship’s Foundation under 300°C by Zheyu Ding, Hongbai Bai, Yiwan Wu, Yue Zhu, Yichuan Shao

“…The joint test system consists of a transient aerodynamic heating environment simulation system and a vibration excitation and acquisition system. Finite element method (FEM) is used to analyze the distribution of thermal fields. …”
Get full text

An Investigation on the Influences of Construction Schemes on Backfilling the River-Crossing Section of a Utility Tunnel by Jin-Kun Huang, Zhao-Xiang Lu, Wan-Yun Yin, Ren-Cai Jin, Yuan-Di Qian, Si-Dong Shen, Lei Wang

“…In this paper, with a practical comprehensive utility tunnel project as the background, a variety of different backfill construction schemes were designed, and the corresponding numerical simulations were performed with the finite element analysis software Midas. The influence of different backfill construction schemes on the side wall, roof, and floor of the utility tunnel was systematically studied and analyzed, and the displacement and stress variation curves in the process of utility tunnel backfill were obtained. …”
Get full text

Performance characteristics of shell and tube heat exchanger using sectoral baffle by Jacob Kolawole Adebayo, Ademola Adebukola Dare, Moses Omolayo Petinrin

“…Abstract Shell and tube heat exchangers (STHX) play a vital role in a wide range of industrial processes and daily applications. The finite element method was used to solve continuity, momentum, energy, and k-ε turbulent equations that govern STHX. …”
Get full text

Structure Optimization of Vibrating Feeder Based on Inertia Release by Ningning Xu, Xinwen Wang, Chi Yu, Sanpeng Gong, Dongdong Lin, Xing Su

“…Discrete Element Method (DEM) was used to couple the materials force and the excitation force based on the phase characteristics of the vibrating feeder, and Finite Element Method (FEM) was used to analyze the vibrating feeder structure based on the inertia release method. …”
Get full text

Theoretical and Experimental Study of an Electrokinetic Micromanipulator for Biological Applications by Reza Hadjiaghaie Vafaie, Ali Fardi-Ilkhchy, Sobhan Sheykhivand, Sebelan Danishvar

“…By appropriately switching the voltage on the electrode structures and inducing AC electrothermal forces within the channel, a fluidic network with pumping and manipulation capabilities can be achieved, enabling the control of fluid velocity/direction and also fluid rotation. By using finite element analysis, coupled physics of electrical, thermal, fluidic fields, and molecular diffusion transport were solved. …”
Get full text

Nonlinear Random Response Analyses of Panels Considering Transverse Shear Deformations under Combined Thermal and Acoustic Loads by Yeong-Nam Kim, Jae-Sang Park, Eun-Soo Go, Min-Hyuk Jeon, In-Gul Kim

“…Static and dynamic equations are derived using the principle of virtual work and the nonlinear finite element method. A thermal postbuckling analysis is conducted using the Newton–Raphson method, and the dynamic nonlinear equations are solved using the Newmark-β time integration method. …”
Get full text

Design and Shear Bearing Capacity Calculation of All-Welded Irregular Joints in Steel Traditional Chinese Buildings by Zhanjing Wu, Xinwu Wang, Xin Bu, Jinshuang Dong

“…Based on the test results, the numerical model was established by using finite element software Abaqus2016, and parameter analysis was performed by varying the axial compression ratio of the column. …”
Get full text

An Unconventional Approach for Analyzing the Mechanical Properties of Natural Fiber Composite Using Convolutional Neural Network by Govindaraj Ramkumar, Satyajeet Sahoo, G. Anitha, S. Ramesh, P. Nirmala, M. Tamilselvi, Ram Subbiah, S. Rajkumar

“…The ground-truth information is used for the training process attained from the finite element analyses below the plane stress statement. …”
Get full text

Stability Assessment of the Excavated Rock Slope at the Dagangshan Hydropower Station in China Based on Microseismic Monitoring by K. Ma, N. W. Xu, Z. Z. Liang

“…A damage model based on MS data was proposed to analyse the rock mass damage, and a 3D finite element method model of the rock slope was also established. …”
Get full text

High-Temperature Properties of a Long-Span Double-Deck Suspension Bridge under a Tanker Fire by Mengsheng Yu, Qifeng Chen, Xinyu Yao, Xiao Guo, Tianzhi Hao, Hua Wang

“…A three-dimensional thermal model of the bridge was established by the Fire Dynamics software (FDS) to obtain the 3D temperature field distribution, and the thermal analysis result was then applied to the three-dimensional finite element model of the suspension bridge. The shortest failure time of the main cable and sling was determined to obtain the rescue time of a bridge fire. …”
Get full text

Discussion on the Theoretical Basis for Cross-Over Method Applied to Downhole Wave Velocity Test by Qing Dong, Zheng-hua Zhou, Su Jie, Bing Hao, Yuan-dong Li

“…However, the characteristics of signals recorded in tests are often found to conflict with this theoretical basis for the cross-over method, namely, the polarity of the P-wave also transforms under the action of surface forward and backward strike. Therefore, 3D finite element numerical simulations were conducted to study the validity of the theoretical basis for the cross-over method. …”
Get full text

Simulation Parameter Test and Seepage Effect Analysis of Pile-Anchor Support for Binary Slope by Xuhe Gao, Weiping Tian, Zhipei Zhang, Jiachun Li, Hongliang Qi

“…We establish a 2D finite element model of slope excavation and support. …”
Get full text

New Method for Analyzing the Flutter Stability of Hingeless Blades with Advanced Geometric Configurations in Hovering by Si-wen Wang, Jing-long Han, Quan-long Chen, Hai-wei Yun, Xiao-mao Chen

“…This method uses a modified doublet-lattice method (MDLM) and a 3-D finite element (FE) model for building the aeroelastic equation of a blade in hovering. …”
Get full text

Two-Phase Flow Model for Numerical Investigation of Impact of Water Retention on Shale Gas Production by Ershe Xu, Lingjie Yu, Ming Fan, Tianyu Chen, Zhejun Pan, Yuling Tan, Guanglei Cui

“…The proposed model is solved using a finite element approach with COMSOL Multiphysics (Version 5.6) and verified with field data. …”
Get full text

Observed Performance and FEM-Based Parametric Analysis of a Top-Down Deep Excavation in Soil-Rock Composite Stratum by Gang Lei, Panpan Guo, Fucai Hua, Xiaonan Gong, Lina Luo

“…Based on the observed data of a typical deep excavation case history for the May Fourth Square Station in Tsingtao, China, the characteristics of the horizontal and vertical pile displacements, ground surface settlements, building settlements, axial forces in ground anchors, earth pressure, and pore water pressure during excavation were analysed. Two-dimensional finite element simulations were carried out to further explore the deformation and internal force responses of end-suspended piles and to capture the effects of pile diameter, embedded depth, and rock-socketed depth on the horizontal displacement and bending moment distributions along the pile shaft. …”
Get full text