Modal Analysis and Flow through Sectionalized Pipeline Gate Valve Using FEA and CFD Technique by Desejo Filipeson Sozinando, Bernard Xavier Tchomeni, Alfayo Anyika Alugongo

“…First and foremost, a modal analysis based on finite element analysis (FEA) is introduced as a fundamental linear dynamics analysis to provide insight into how a pipeline sectionalized gate valve structure may respond to different types of dynamic loading. …”
Get full text

Application of MPS and FEM based Fluid-Structure Interaction Model to a Sequential Dam-Break Problem on Çoruh River by Abdullah Demir, Ali Ersin Dinçer

“…The present study, a fluid structure interaction model is developed by using moving particle semi-implicit method (MPS) and finite element method (FEM) for fluid and structure, respectively. …”
Get full text

Analysis of Induced Field in the Brain Tissue by Transcranial Magnetic Stimulation Using Halo-V Assembly Coil by Khaleda Akhter Sathi, Md. Kamal Hosain, Md. Azad Hossain

“…This study presents a finite element method-based simulation of the Halo-V assembly (HVA) coil placed on the five-shell spherical human head model to examine the distributions of induced electric and magnetic fields. …”
Get full text

Experimental and Numerical Investigation on Dynamic Properties and Human-Induced Vibrations of an Asymmetric Steel-Plated Stress-Ribbon Footbridge by Yi Zhang, Wei He, Jiewen Zhang, Hua Dong

“…Results show that the bridge is characterized by closely spaced modes with low natural frequencies and small damping ratios (<0.002). A sophisticated finite element model that incorporates pretension of the stress ribbon and contribution of deck panels is developed and proven to be capable of reflecting the main dynamic characteristics of the bridge. …”
Get full text

Research and Evaluation on Dynamic Response Characteristics of Various Pavement Structures by Meng Guo, Fujin Hou, Shuaixiang Zhang, Xu Li, Yunliang Li, Yufeng Bi

“…In order to comprehensively analyze the dynamic response of full-depth asphalt pavement under moving load, a three-dimensional model of pavement structure and dynamic load moving zone are established based on ABAQUS finite element software. Based on the time history curves of different structures, the stress-strain states at the bottom of each structural layer in different structures under moving load are analyzed. …”
Get full text

First Characterization of a New Method for Numerically Solving the Dirichlet Problem of the Two-Dimensional Electrical Impedance Equation by Marco Pedro Ramirez-Tachiquin, Cesar Marco Antonio Robles Gonzalez, Rogelio Adrian Hernandez-Becerril, Ariana Guadalupe Bucio Ramirez

“…To warrant the effectiveness of the posed method, we consider several examples of conductivity functions, whose boundary conditions are exact solutions of the electrical impedance equation, performing a brief comparison with the finite element method. Finally, we discuss the possible contributions of these results to the field of the electrical impedance tomography.…”
Get full text

MAGInet based on deep learning for magnetic multi-parameter inversion by Wudi Wen, Yi Li, Zhongle Liu

“…In this study, simulation experiments are conducted, with training datasets generated via finite element magnetic field modeling, which are then utilized to fine-tune the MAGInet model. …”
Get full text

An Exact Analytical Solution to Exponentially Tapered Piezoelectric Energy Harvester by H. Salmani, G. H. Rahimi, S. A. Hosseini Kordkheili

“…This phenomenon has been investigated by some researchers using semianalytical, finite element and experimental methods. In this paper, an exact analytical solution is presented to calculate the power generated from vibration of exponentially tapered unimorph and bimorph with series and parallel connections. …”
Get full text

A Wireless Strain Sensor Network for Structural Health Monitoring by Chengyin Liu, Jun Teng, Ning Wu

“…Test results show very good agreement with the finite element (FE) simulations. This paper demonstrates the feasibility of the proposed WSSN for large structural dynamic strain monitoring.…”
Get full text

Parallel Rayleigh Quotient Optimization with FSAI-Based Preconditioning by Luca Bergamaschi, Angeles Martínez, Giorgio Pini

“…Results onto matrices of large size arising from finite element discretization of geomechanical models reveal that DACG accelerated by these type of preconditioners is competitive with respect to the available public parallel hypre package, especially in the computation of a few of the leftmost eigenpairs. …”
Get full text

Fatigue behaviour of titanium dental endosseous implants by Alessandro Scicutelli, Daniela Pilone, Ferdinando Felli

“…The results of a finite element analysis performed on one of the specimens is in good agreement with the failure mode observed after the tests. …”
Get full text

Dynamic Response of Shear-Flexible Cylindrical Isotropic Shells with Clamped Edges by Zafer I. Sakka, Jamal A. Abdalla, H.R.H. Kabir

“…The present results are compared with the results obtained from finite element method using a four-node isoparametric shell element. …”
Get full text

Vibration Excitation and Control of a Pedestrian Walkway by Individuals and Crowds by James Mark William Brownjohn, Tao Neng Fu

“…As part of a continuing study on effects of humans on loading and dynamic response of footbridges, a steel frame walkway has been the subject of studies on the effects of multiple pedestrians with respect to loading and response mitigation. Following finite element modeling and experimental modal analysis to identify the low frequency vibration modes likely to be excited by normal walking, the variation of response with pedestrian density and of system damping and natural frequency with occupancy by stationary pedestrians were both studied. …”
Get full text

Topological Design of a Mortar Base Plate under Impact Loads by Fengfeng Wang, Guolai Yang

“…However, to reduce the quality of the mortar base plate and facilitate engineering applications, the topological optimization problem of the continuum of the base plate under the engineering and quality constraint is considered. A finite element model has been established and verified by testing for the mortar base plate. …”
Get full text

Countermeasures Assessment of Liquefaction-Induced Lateral Deformation in a Slope Ground System by Davide Forcellini, Angelo Marcello Tarantino

“…Liquefaction-induced lateral spreading may result in significant damage and disruption of functionality for structures and Slope Ground System. In this regard, finite-element simulations are increasingly providing a versatile environment in order to assess economical and effective countermeasures. …”
Get full text

Evaluation of the Pseudostatic Analyses of Earth Dams Using FE Simulation and Observed Earthquake-Induced Deformations: Case Studies of Upper San Fernando and Kitayama Dams by Tohid Akhlaghi, Ali Nikkar

“…In this study, the Upper San Fernando and Kitayama earth dams, which have been designed using the pseudostatic approach and damaged during the 1971 San Fernando and 1995 Kobe earthquakes, were investigated and analyzed. The finite element models of the dams were prepared based on the detailed available data and results of in situ and laboratory material tests. …”
Get full text

Double Stratified Mixed Convective Flow of Couple Stress Nanofluid past Inclined Stretching Cylinder Using Cattaneo-Christov Heat and Mass Flux Model by Wubshet Ibrahim, Gosa Gadisa

“…Then, the numerical method called the Galerkin finite element method (GFEM) is applied to solve the proposed fluid model. …”
Get full text

Satisfaction-Based Multiobjective Optimization of the Design of a 65 GHz Millimeter-Wave Connector by Xiang Li, Lijun Tong, Zheng Kong, Wenju Lu, Qian Xie

“…The model is optimized by innovatively using the multiobjective chaotic optimization algorithm in microwave finite-element simulations. The resulting optimal structure satisfies all performance requirements, thereby proving the rationality and feasibility of the proposed method. …”
Get full text

Some Properties of Motion Equations Describing the Nonlinear Dynamical Response of a Multibody System with Flexible Elements by Maria Luminiţa Scutaru, Sorin Vlase

“…For the study on this kind of systems with rigid motion and elastic elements, numerous models have been elaborated, the main idea being the discretization of the elements and the use of finite element method. Finally, second-order differential equations with variable coefficients are obtained; these equations are strong nonlinear ones due to the time-dependent values of angular speed and acceleration, and they can be linearized considering a very short period of time, in which the motion is considered to be “frozen.” …”
Get full text

Study on Mechanical Effect and Plastic Zone Distribution of Tunnel Surrounding Rock in the Presence of Various Expansion Approaches by Bowen Duan, Jun Yang

“…First, the mechanical model of tunnel expansion is established and the initial stress field 1SEE and expansion stress field of tunnel surrounding rock are analyzed. The finite element model of tunnel expansion is developed to examine the plastic zone distribution in the presence of various tunneling approaches. …”
Get full text