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Journal articles on the topic '2D FEA'

Author: Grafiati

Published: 18 April 2022

Last updated: 30 July 2025

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1

Xia, Lei, and Haobin Jiang. "Design and Steady-State Performance of a Novel Winding Type Permanent Magnet Coupling with Slip Power Recovery Function." Mathematical Problems in Engineering 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/3141089.

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A novel winding type permanent magnet coupling (WTPMC) is proposed to work as an adjustable speed drive with slip power recovery function. As a kind of dual-mechanical-port electric machine with radial-flux configuration, the WTPMC consists of an outer rotor embedded with three-phase windings, an inner rotor populated with permanent magnets, and a slip power recovery circuit comprising a rectifier, a boost converter, and an ultracapacitor. The working principle of the WTPMC is presented, and its mathematical model is derived. To develop a WTPMC prototype for automotive applications, two-dimens

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2

Zhang, Peng, Song He, Michael C. Muir, and G. S. J. Gautam. "Eccentricity Effects on NVH Performance of Interior Permanent Magnets Machines for Hybrid and Electric Vehicles." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 4 (2021): 2384–92. http://dx.doi.org/10.3397/in-2021-2124.

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For the hybrid electric vehicles (HEVs) and electric vehicles (EVs) applications, the electric machine drive unit system provides the main noise source, especially in the presence of faults. Eccentricity is one of the most common faults, which is mainly caused by the motors' package design and assembling process. There are four main types of eccentricity for motors: static offset, dynamic offset, static tilt and dynamic tilt, which are presented and analyzed. Both two-dimensional (2D) and 3-dimentional (3D) finite element analysis (FEA) are utilized in the electromagnetic field analysis for an

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3

Abdullahi, Mustapha, and S. Oyadiji. "Acoustic Wave Propagation in Air-Filled Pipes Using Finite Element Analysis." Applied Sciences 8, no. 8 (2018): 1318. http://dx.doi.org/10.3390/app8081318.

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The major objective of this work is to develop an efficient Finite Element Analysis (FEA) procedure to simulate wave propagation in air-filled pipes accurately. The development of such a simulation technique is essential in the study of wave propagation in pipe networks such as oil and gas pipelines and urban water distribution networks. While numerical analysis using FEA seems superficially straight forward, this paper demonstrates that the element type and refinement used for acoustic FEA have a significant effect on the accuracy of the result achieved and the efficiency of the computation.

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Neto, Manuel Garcia, Francisco Ferreira da Silva, and Paulo José da Costa Branco. "Operational Analysis of an Axial and Solid Double-Pole Configuration in a Permanent Magnet Flux-Switching Generator." Energies 17, no. 7 (2024): 1698. http://dx.doi.org/10.3390/en17071698.

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There are two main beneficial characteristics that doubly salient permanent magnet (PM) electrical machines present for aircraft applications: armature windings and PMs excitation sources placed on the stator side (maintenance and thermal management), and having a clear-cut rotor without PMs or excitation windings (vulnerable at high speeds due to associated centripetal mechanical stresses). Within this framework, a doubly salient permanent magnet (DSPM) generator was conceived by optimizing the stator size and rotor structure to minimize the torque ripple and maximize the root-mean-square (RM

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Li, Qiong, and Carol A. Rubin. "An Expert System for 2D Stress Analysis of Human Teeth." Applied Mechanics and Materials 284-287 (January 2013): 1611–15. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.1611.

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The concepts of rapidly and automatically obtaining the stresses found in specific human teeth and performing quick parametric studies has been a persistent goal in bioengineering. Finite element analysis (FEA) is a powerful approach for human tooth stress analysis and has been applied to various dental researches. However, the whole FEA process is a major challenge to dental researchers since special simulation skills and expert knowledge in mechanics are required for constructing proper models and obtaining accurate results. This paper presents an expert system that permits dentists with no

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Valberg, Henry, Dirk Nolte, and Sepinood Torabzadeh Khorasani. "Deformations in Idealized 2D Extrusion Welding." Key Engineering Materials 554-557 (June 2013): 2507–22. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.2507.

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Metal flow inside the container and in the metal behind a butt-ended die bridge in idealized aluminum extrusion welding has been investigated by FEA and experiment with respect to the deformation of the material flowing around the bridge and into the layers close the extrusion seam weld. Along the mid-axis of the extrusion process the effective strain subjected to the extrusion material can be determined in three different ways. One way is to determine the strains from grid pattern experiments that reveal the real deformations. When it comes to FEA there are two options; the strains can be det

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Abe, N. M., J. R. Cardoso, D. R. F. Clabunde, and A. Passaro. "LMAG-2D: a software package to teach FEA concepts." IEEE Transactions on Magnetics 33, no. 2 (1997): 1986–89. http://dx.doi.org/10.1109/20.582688.

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8

Du, Yong, Jie-Hua Zhao, and Paul Ho. "An Optical Method for Measuring the Two-Dimensional Surface Curvatures of Electronic Packages During Thermal Cycling." Journal of Electronic Packaging 123, no. 3 (2000): 196–99. http://dx.doi.org/10.1115/1.1347987.

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An optical method was developed to measure the two-dimensional (2D) surface curvatures of electronic packages by employing four laser beams. Each laser beam measures the slopes of the surface at the incident point along two perpendicular directions. By combining four pairs of slopes, the 2D surface curvatures of the package can be calculated. The surface warpage of an underfilled flip-chip package during thermal cycling was measured by this method and the result was verified by finite element analysis (FEA). Both experimental and FEA results show that the surface warpage is almost a linear fun

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Torabzadeh Khorasani, Sepinood, and Henry Valberg. "Comparison between FEM Simulations and Analytical Calculations of Required Force for Al Extrusion." Key Engineering Materials 504-506 (February 2012): 511–16. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.511.

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In this study the cold extrusion of Al alloys will be investigated by finite element analysis (FEA) using DEFORM 2D. Besides, theoretical calculations to find the required extrusion force will be done. Several FE-simulations have been performed for two different extrusion geometries and for different conditions of friction including high and low friction, to quantify the influence of friction on the extrusion force. The results from FEA and theory for cold extrusion are compared to see if there is good agreement. The correlation between the data obtained by theory and FEA is discussed.

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Chandra, Sonal, Ivan S. Salgo, Lissa Sugeng, et al. "A three-dimensional insight into the complexity of flow convergence in mitral regurgitation: adjunctive benefit of anatomic regurgitant orifice area." American Journal of Physiology-Heart and Circulatory Physiology 301, no. 3 (2011): H1015—H1024. http://dx.doi.org/10.1152/ajpheart.00275.2011.

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Mitral effective regurgitant orifice area (EROA) using the flow convergence (FC) method is used to quantify the severity of mitral regurgitation (MR). However, it is challenging and prone to interobserver variability in complex valvular pathology. We hypothesized that real-time three-dimensional (3D) transesophageal echocardiography (RT3D TEE) derived anatomic regurgitant orifice area (AROA) can be a reasonable adjunct, irrespective of valvular geometry. Our goals were to 1) to determine the regurgitant orifice morphology and distance suitable for FC measurement using 3D computational flow dyn

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Baum, Sebastian, Pascal Heinzelmann, Mathias Liewald, and Michael Weyrich. "Enhancing FEA sheet metal forming simulations through 3D geometric data-driven surrogate modeling." at - Automatisierungstechnik 73, no. 4 (2025): 261–70. https://doi.org/10.1515/auto-2024-0116.

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Abstract Finite Element Analysis (FEA) simulation results of sheet metal forming processes are highly sensitive to changes in component geometry, as any alteration requires a complete re-computation of the forming process. Surrogate models, trained on FEA simulation data, offer a promising alternative by providing faster, approximated solutions that mitigate these disadvantages. While being computationally efficient, surrogate models also offer other advantages like differentiability, which is crucial for optimization tasks. However, the effective processing of FEA simulation data for training

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Torabzadeh Khorasani, Sepinood, and Henry Valberg. "Velocity Field in Direct, Indirect and Friction Assisted Extrusion of Al." Key Engineering Materials 554-557 (June 2013): 776–86. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.776.

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This study investigates the velocity fields that are descriptive for the forward, backward and friction assisted extrusion of axisymmetric rods. The Avitzur theory was used to calculate the velocity field and strain rate in extrusion of Al alloys. Several simulations have also been performed by using finite element analysis (FEA) with DEFORM 2D, in order to find the admissible velocity field for different conditions of friction including high and low friction. The results from FEA and theory of axisymmetric extrusion are compared to see if there is good agreement. The correlation between the d

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Araújo, M. de, R. Fangueiro, and H. Hong. "MODELLING AND SIMULATION OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED FABRICS FOR TECHNICAL APPLICATIONS." AUTEX Research Journal 4, no. 1 (2004): 25–32. http://dx.doi.org/10.1515/aut-2004-040105.

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Abstract This paper is in four parts. The first is related to general considerations and experimental analyses, and each of the others is related to different approaches to theoretical analyses of the mechanical behaviour of weft-knitted fabrics and weft-knitted reinforced composites made of glass fibre. The objective is to find ways of improving the mechanical properties and simulating the mechanical behaviour of knitted fabrics and knitted reinforced composites, so that the engineering design of such materials and structures may be improved. In Part III the second model is presented, and thi

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Bharti, Hitesh, Pradeep Ilamkar, and Prof Kshitij Thate. "Nurbs Based Isogeometric Analysis to Perform Topology Optimisation of Continuum Structures Using Evolutionary Algorithms." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 5751–60. https://doi.org/10.22214/ijraset.2025.69730.

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Abstract: This research investigates the application of Isogeometric Analysis (IGA) for topology optimisation of continuum structures under various loading and boundary conditions. IGA, which utilizes Non-Uniform Rational B-Splines (NURBS) for both geometric representation and solution approximation, offers a seamless integration of CAD and analysis phases. This significantly enhances the accuracy and efficiency of simulations compared to traditional Finite Element Analysis (FEA), where mesh generation remains a time-consuming and error-prone step. The study focuses on minimizing structural we

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Araújo, M. de, R. Fangueiro, and H. Hong. "MODELLING AND SIMULATION OF THE MECHANICAL BEHAVIOUR OF WEFT-KNITTED FABRICS FOR TECHNICAL APPLICATIONS." AUTEX Research Journal 3, no. 3 (2003): 111–23. http://dx.doi.org/10.1515/aut-2003-030303.

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Abstract This paper is in four parts. The first is related to general considerations and experimental analyses, and each of the successive papers is related to different approaches to theoretical analyses of the mechanical behaviour of weft-knitted fabrics and weft-knitted reinforced composites made of glass fibre. The objective is to find ways of improving the mechanical properties and simulating the mechanical behaviour of knitted fabrics and knitted reinforced composites, so that the engineering design of such materials and structures may be improved. In Part I, general considerations, expe

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Redza, Mohd Ridhwan Mohammed, Yupiter H. P. Manurung, Robert Ngendang A. Lidam, et al. "Transversed Residual Stress Analysis on Multipassed Fillet Weld 2D-Using FEM and Experiment." Advanced Materials Research 576 (October 2012): 181–84. http://dx.doi.org/10.4028/www.scientific.net/amr.576.181.

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In this project, the residual stress due to multipassed welding process at the fillet weld will be studied using 2D Finite Element Analysis (FEA) simulation method and experimental investigation. Due to the extensive capabilities and dedicated tools for the simulation of welding, including material deposit via element activation or deactivation and predefined or customized moving heat sources, SYSWELD 2010 was chosen as the FEA software. The material with a thickness of 9 mm was structural steel S355J2G3 for simulation and low carbon steel for the experiment. The clamping condition was selecte

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17

Liu, Chengjun, Ming QI, and Meng Zhao. "Analysis of Novel Variable Reluctance Resolver with Asymmetric Teeth on the Stator." Mathematical Problems in Engineering 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/958747.

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The variable reluctance (VR) resolver is usually used to measure the shaft angle of motor. A novel VR resolver with asymmetric teeth on the stator is proposed to achieve the minimal number of active teeth and eliminate the amplitude imbalance of the output voltages of SIN and COS coils by bringing the fifth compensating tooth. The structure and the total output voltages of signal windings are explicated theoretically in detail. The topology of such a machine just requires 2D finite element analysis (FEA) to accurately predict the machine performance. Results of FEA and principle of VR resolver

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18

Koç, Muammer, and Taylan Altan. "Application of two dimensional (2D) FEA for the tube hydroforming process." International Journal of Machine Tools and Manufacture 42, no. 11 (2002): 1285–95. http://dx.doi.org/10.1016/s0890-6955(02)00033-0.

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19

Sudani, Ghassan A., and Mien Jao. "Performance of Pile–Wall System Adjacent to Footings." Applied Sciences 14, no. 8 (2024): 3496. http://dx.doi.org/10.3390/app14083496.

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The performance of a retaining wall is dependent on multiple factors including lateral earth pressure, which results from backfill soils and adjacent footings located behind a retaining wall. The prediction of a retaining wall’s performance in a footing–soil–wall system (FSPS) must incorporate the influences caused by the movement of a retaining wall. This study examines the performance of a retaining wall formed by driven, precast, concrete piles located adjacent to a concrete footing using two- and three-dimensional finite element analysis (2D and 3D FEA) by ANSYS 13.0 software. Both soil an

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20

Xu, Huifen, Yuhai Sun, Haiying Zheng, et al. "High-performance and moisture-stable perovskite solar cells with a 2D modified layer via introducing a high dipole moment cation." Journal of Materials Chemistry C 7, no. 48 (2019): 15276–84. http://dx.doi.org/10.1039/c9tc05227e.

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A (FEA)<sub>2</sub>PbI<sub>4</sub> 2D modified layer with a high dipole moment was introduced at the interface between the perovskite absorber layer and the hole transport layer. The modified perovskite solar cells showed high performance and excellent moisture stability.

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21

Jula, F. C., T. Galle, Wim De Waele, and M. Borzan. "FEA modeling of orthogonal cutting of steel: a review." International Journal Sustainable Construction & Design 3, no. 2 (2012): 98–105. http://dx.doi.org/10.21825/scad.v3i2.20561.

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Orthogonal cutting is probably the most studied machining operation for metals. Its simulation with theFinite Element Analysis (FEA) method is of paramount academic interest. 2D models, and to a lesserextent 3D models, have been developed to predict cutting forces, chip formation, heat generation andtemperature fields, residual stress distribution and tool wear. This paper first presents a brief review ofscientific literature with focus on FEA modelling of the orthogonal cutting process for steels. Following,emphasis is put on the building blocks of the simulation model, such as the formulatio

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Abdennadher, Imen, and Ahmed Masmoudi. "On the investigation of the magnetic forces of CWPMM." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33, no. 5 (2014): 1502–13. http://dx.doi.org/10.1108/compel-04-2014-0088.

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Purpose – The purpose of this paper is to investigate the magnetic forces generated by a 12 slot/10 pole concentrated winding PM machines, considering a comparative study between two topologies: a surface mounted permanent magnet (SPM) machine and an interior PM (IPM) machine. Design/methodology/approach – Following a description of the main characteristics of the concentrated winding permanent magnet machines (CWPMMs) under comparison, an investigation of the magnetic forces developed by both machines under study is carried out using finite element analysis (FEA). Findings – A 2D FEA-based in

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Ajwad, Ali. "Comparison of 2D and 3D Finite Element Analysis of RC Blocks Culvert Based on Soil-Structure Interaction Using GTS." Volume 21, Issue 1 21, no. 1 (2023): 67–76. http://dx.doi.org/10.52584/qrj.2101.09.

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This paper presents a comparison of soil-structure interaction based on 2D and 3D finite element analyses of ‘Reinforced Concrete Box Culvert’ by using the software GTS (Geotechnical and Tunnel Analysis System). For buried Structures like Box Culvert, the soil below the structure is to be simulated by elastic spring while surrounding and overlying soil by superimposed load combinations. GTS is the most advanced software, presenting a new paradigm for Box Culvert and other specific geotechnical structures. It is based on expert analysis and advanced graphic technologies. GTS enables engineers t

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TIAN, YE, NAN WU, KAI SUN, XIAOTIAN ZOU, and XINGWEI WANG. "NUMERICAL SIMULATION OF FIBER-OPTIC PHOTOACOUSTIC GENERATOR USING NANOCOMPOSITE MATERIAL." Journal of Computational Acoustics 21, no. 02 (2013): 1350002. http://dx.doi.org/10.1142/s0218396x13500021.

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Photoacoustic generation using an optical fiber is a promising approach to meet the challenges in most advanced ultrasonic non-destructive testing (NDT) applications. The energy-absorption layer coated on the fiber endface plays an important role in converting the laser energy into heat and exciting the acoustic wave. The selection of the absorption material and the optimization of the structure dimension are the keys for achieving high energy-conversion efficiency. A 2D-axisymmetric finite element analysis (FEA) model was established to simulate the photoacoustic generation process using a ne

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Johan, Andrés Galán Avila, Fernando Avendaño Rodríguez Diego, and Eduardo Villalobos Correa Daniel. "Design and simulation of mechanical press for testing of coining tools with nanostructured coatings." Revista Facultad de Ingeniería, Universidad de Antioquia, no. 104 (July 26, 2021): 53–70. https://doi.org/10.17533/udea.redin.20210738.

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The present study proposes the design, simulation, and finite element analysis (FEA) of a mechanical press to test coining tools that contain nanostructured coatings. The designed mechanical testing press has a nominal force capacity of 800 kN with a ram stroke of 100 mm. CAD modeling of components, assemblies, and press structure is developed. The validation of the safety factor of the stress of the press is implemented by FEA analysis. Axisymmetric 2D FEA simulation is applied to determine the nanostructured coating behavior when subjected to high loads, the results are promising for future

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Wu, Lo-Yu, Wen-Pin Lin, Richard Wu, Lynn White, and Ahmed Abass. "FEA-Based Stress–Strain Barometers as Forecasters for Corneal Refractive Power Change in Orthokeratology." Bioengineering 11, no. 2 (2024): 166. http://dx.doi.org/10.3390/bioengineering11020166.

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Purpose: To improve the effectivity of patient-specific finite element analysis (FEA) to predict refractive power change (RPC) in rigid Ortho-K contact lens fitting. Novel eyelid boundary detection is introduced to the FEA model to better model the effects of the lid on lens performance, and stress and strain outcomes are investigated to identify the most effective FEA components to use in modelling. Methods: The current study utilises fully anonymised records of 249 eyes, 132 right eyes, and 117 left eyes from subjects aged 14.1 ± 4.0 years on average (range 9 to 38 years), which were selecte

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Schäfer, Adrian, Urs Pecha, Benedikt Kaiser, Martin Schmid, and Nejila Parspour. "Accelerated 3D FEA of an Axial Flux Machine by Exclusively Using the Magnetic Scalar Potential." Energies 16, no. 18 (2023): 6596. http://dx.doi.org/10.3390/en16186596.

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This article focuses on increasing the computational efficiency of 3D multi-static magnetic finite element analysis (FEA) for electrical machines (EMs), which have a magnetic field evolving in 3D space. Although 3D FEA is crucial for analyzing these machines and their operational behavior, it is computationally expensive. A novel approach is proposed in order to solve the magnetic field equations by exclusively using the magnetic scalar potential. For this purpose, virtual variable permanent magnets (vPMs) are introduced to model the impact of the machine’s coils. The effect on which this appr

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Gao, Nansha, Hong Hou, Baozhu Cheng, and Ruihao Zhang. "A hollow inclusion self-similarity phononic crystal with an ultra-low-frequency bandgap." International Journal of Modern Physics B 32, no. 02 (2018): 1850005. http://dx.doi.org/10.1142/s0217979218500054.

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FEA method is applied in order to investigate the bandgaps of two-dimensional (2D) phononic crystals which are composed with self-similarity hollow inclusions. Transmission spectra together with dispersion relations and displacement fields have been studied with FEA in detail. The simultaneous mechanisms of Bragg scattering enable multiterm bandgaps to be unfolded by the structure that can be effectively shifted by changing the lattice constant, matrix density and degree of self similarity. The smallest bandgap is located in the infrasonic wave range. Our results verify these phononic crystals

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Özer, Halil, and Özkan Öz. "A Comparative Evaluation of Numerical and Analytical Solutions to the Biadhesive Single-Lap Joint." Mathematical Problems in Engineering 2014 (2014): 1–16. http://dx.doi.org/10.1155/2014/852872.

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This paper attempts to address the detailed verification of Zhao’s analytical solution including the moment effect with the two- and three-dimensional finite element results. Zhao compared the analytical results with only the 2D FEA results and used the constant bond-length ratio for the biadhesive bondline. In this study, overlap surfaces of the adherends and the adhesives were modelled using surface-to-surface contact elements. Both analytical and numerical analyses were performed using four different biadhesive bondline configurations. The 3D FEA results reveal the existence of complex stre

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Ng, Y. K., S. F. Shukor, and B. T. H. T. Baharudin. "Modelling of 2D Cutting Tool Forces in Micro Tool Using FEA-ABAQUS." Advanced Science Letters 13, no. 1 (2012): 285–90. http://dx.doi.org/10.1166/asl.2012.3887.

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Li, Da Ping, and Yan Chao Hu. "Mesh Partition Based Explicit Integration Method for Dynamic Structure FEA." Applied Mechanics and Materials 328 (June 2013): 558–63. http://dx.doi.org/10.4028/www.scientific.net/amm.328.558.

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A mesh partition based explicit integration method for dynamic structure FEA is proposed in this article. With this method, the whole finite element mesh is partitioned into several zones according to the elements increment feature size, and then variable time increments are applied to the mesh zones for explicit integration while the parameter transfer and interpolation is performed over the interfaces to ensure the continuity. This method has the capability of boost the analysis efficiency without much precision loss to the analysis results of interested zones, which is proven by some 2D ana

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Mohamad, G., Mostapha Tarfaoui, and Volker Bertram. "FEA of Dynamic Behavior of Top Hat Bonded Stiffened Composite Panel." Key Engineering Materials 446 (July 2010): 137–45. http://dx.doi.org/10.4028/www.scientific.net/kem.446.137.

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In this work the dynamic responses of bonded top hat stiffened panel have been studied by using finite element analysis model (Abaqus). A symmetrical 2D model was performed and used in the simulations. In the first part, dynamic behavior and impact speed effects at such composite structure have been studied. In the second part, other simulations were carried out by using cohesive elements proposed to predict the delamination might happen under such loading.

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Lai, Lian Feng, Cheng Hui Gao, and Jian Meng Huang. "Analysis of Shear Stress of Two Elasto-Plastic Random Surfaces." Advanced Materials Research 279 (July 2011): 224–29. http://dx.doi.org/10.4028/www.scientific.net/amr.279.224.

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A FEA model of two-dimensional (2D) sliding between two interfering fractal rough solids was build, and the results was presented. The trends in shear stress between the rough solids were provided by the FEA. Combined with the delaminating theory of wear, the Maximum shear stresses and its distance are presented when loading and sliding. The result showed that the Maximum shear stresses was located in the subsurface which range about 2 to 8 um from the surface. In addition, with different plastic characteristics, the location of Maximum shear stresses were different. With modeling the contact

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Boyke, Christino, and Takashi Nagao. "Seismic Performance Assessment of Pile-Supported Wharfs: 2D Frame Analysis Method Considering Both Inertial and Kinematic Forces." Applied Sciences 13, no. 6 (2023): 3629. http://dx.doi.org/10.3390/app13063629.

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Frame analysis (FA) is known for its efficiency and low computer resource requirements. However, compared to finite element analysis (FEA), the applicability of FA for the seismic performance assessment of pile-supported wharves (PSWs) is limited, particularly in the ability to account for the kinematic force caused by ground displacement during an earthquake. This study aimed to develop a two-dimensional FA method for PSW seismic response analysis that considers a combination of inertial and kinematic forces. We performed FA and FEA and compared the results. First, we targeted the PSW model w

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Liu, Yuhang, Seckin Akin, Linfeng Pan, et al. "Ultrahydrophobic 3D/2D fluoroarene bilayer-based water-resistant perovskite solar cells with efficiencies exceeding 22%." Science Advances 5, no. 6 (2019): eaaw2543. http://dx.doi.org/10.1126/sciadv.aaw2543.

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Preventing the degradation of metal perovskite solar cells (PSCs) by humid air poses a substantial challenge for their future deployment. We introduce here a two-dimensional (2D) A2PbI4 perovskite layer using pentafluorophenylethylammonium (FEA) as a fluoroarene cation inserted between the 3D light-harvesting perovskite film and the hole-transporting material (HTM). The perfluorinated benzene moiety confers an ultrahydrophobic character to the spacer layer, protecting the perovskite light-harvesting material from ambient moisture while mitigating ionic diffusion in the device. Unsealed 3D/2D P

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Fairoz Omar, Mohd, Erwan Sulaiman, Hassan Ali Soomro, Faisal Amin, Laili Iwani Jusoh, and Enwelum I Mbadiwe. "Optimal design of single-phase 12S-6P FEFSM using segmental rotor and non-overlap windings." Indonesian Journal of Electrical Engineering and Computer Science 14, no. 2 (2019): 735. http://dx.doi.org/10.11591/ijeecs.v14.i2.pp735-743.

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<span>Recently, a three-phase Field Excitation Flux Switching Motor (FEFSM) using salient rotor has been introduced, suitable for high torque, high power as well as high speed diverse performances due to their advantages of easy rotor temperature elimination and controllable field excitation (FE) flux. However, existing FEFSMs are found to have low torque performance as the salient rotor structure has caused longer flux path, and consequently weak flux linkage. Therefore, a new structure of a single-phase FEFSM using segmental rotor and non-overlap windings is proposed. There are two val

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Variyam, Manjula N., Weidong Xie, and Suresh K. Sitaraman. "Role of Out-of-Plane Coefficient of Thermal Expansion in Electronic Packaging Modeling." Journal of Electronic Packaging 122, no. 2 (1999): 121–27. http://dx.doi.org/10.1115/1.483143.

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Components in electronic packaging structures are of different dimensions and are made of dissimilar materials that typically have time, temperature, and direction-dependent thermo-mechanical properties. Due to the complexity in geometry, material behavior, and thermal loading patterns, finite-element analysis (FEA) is often used to study the thermo-mechanical behavior of electronic packaging structures. For computational reasons, researchers often use two-dimensional (2D) models instead of three-dimensional (3D) models. Although 2D models are computationally efficient, they could provide misl

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Samir Mohamed Mohamed Soliman, Ehab. "Mode I stress intensity factor with various crack types." Frattura ed Integrità Strutturale 16, no. 59 (2021): 471–85. http://dx.doi.org/10.3221/igf-esis.59.31.

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Presence of cracks in mechanical components needs much attention, where the stress field is affected by cracks and the propagation of cracks may be occurred causing the damage. The objective of this paper is to present an investigation of crack type effect on crack severity in a finite plate. Three cases of cracked plate with three different types of cracks are assumed in this work, i.e., single edge crack, center crack and double edge crack. 2D numerical models of cases of cracked plate are established in finite element analysis (FEA), ANSYS software by adopting PLANE 183 element. Values of F

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Bayo, Eduardo, Javier Gracia, and Jeppe Jönsson. "Axial-moment interaction for 2D welded steel joints using FEA: An initial investigation." Journal of Constructional Steel Research 168 (May 2020): 106001. http://dx.doi.org/10.1016/j.jcsr.2020.106001.

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ASSUNÇÃO, W. G., L. F. TABATA, V. A. R. BARÃO, and E. P. ROCHA. "Comparison of stress distribution between complete denture and implant-retained overdenture-2D FEA." Journal of Oral Rehabilitation 35, no. 10 (2008): 766–74. http://dx.doi.org/10.1111/j.1365-2842.2008.01851.x.

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Liang, Yongchun, and Yanli Yang. "Performance Analysis of 10-MW HTS Wind Generator Based on 2D Transient FEA." IEEE Power and Energy Technology Systems Journal 4, no. 1 (2017): 10–15. http://dx.doi.org/10.1109/jpets.2016.2626385.

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Bamrungwong, Joompon. "Flap Gate Weir Structural Design Using FEA." Journal of Physics: Conference Series 2701, no. 1 (2024): 012066. http://dx.doi.org/10.1088/1742-6596/2701/1/012066.

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Abstract A flap gate weir commonly use to raise the level of a river or stream. It is a device that is used to regulate the flow of water in a river. It is typically located at the upstream of the river. Basically, flap gate weir is submerged under water, so hydrostatic force acting on submerged surfaces weir. The traditional design and analysis the resultant force acting on a submerged weir surface must specify magnitude of the force, direction of the force and line action of the force all is assumed on 2D which take long time calculation and might mistake. The aims of this paper is using fin

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Tota-Maharaj, Kiran, Ghassan Nounu, and Navin Ramroop. "Modelling of Quadratic-Surface Sludge Digesters by Smoothed Particle Hydrodynamics (SPH) – Finite Element (FE) Methods." Archives of Hydro-Engineering and Environmental Mechanics 67, no. 1-4 (2020): 35–53. http://dx.doi.org/10.1515/heem-2020-0003.

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Abstract The quadric-surfaced sludge digester (QSD), also known as the egg-shaped sludge digester, has proven its advantages over traditional cylindrical digesters recently. A reduction in operational cost is the dominant factor. Its shell can be described as a revolution of a parabola with the apex and base being either tapered or spherical. This shape provides a surface free of discontinuities, which is advantageous regarding the efficiency during mixing. Since the shape does not produce areas of inactive fluid motion within the tank, sludge settlement and an eventual grit build-up are avoid

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Wang, Linwei, Shuai Lu, and Yangming Chen. "Two-Dimensional Analytical Models for Cogging Torque Prediction in Interior Permanent Magnet Machine." Machines 11, no. 2 (2023): 233. http://dx.doi.org/10.3390/machines11020233.

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Analytical prediction of cogging torque needs accurate flux density and relative permeance closed-form expressions. The accurate two-dimensional (2D) air gap flux density distribution function and the 2D permeance function are currently almost always applied to surface-mounted permanent magnet (SPM) machines, instead of interior permanent magnet (IPM) machines, due to complications from IPMs severe magnetic saturation and leakage flux. To address these issues, this paper proposes a set of new methods to derive the accurate closed-form 2D expressions of IPMs for both flux density and relative p

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Georgeta, Haraga, Ghelase Daniela, and Daschievici Luiza. "Design and Analysis of a Coffee Table." International Journal of Computational and Applied Mathematics & Computer Science 2 (June 4, 2022): 29–32. http://dx.doi.org/10.37394/232028.2022.2.6.

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This paper focuses on the design and finite element analysis (FEA) of coffee table with center hole can be used with or without umbrella. Therefore, for a better graphic performance we have used CATIA V5 that allows the 2D/3D solids modeling with geometric constraints. In CATIA, we can simulate the whole very easy thing within a virtual reality (VR) using the applications called „Part Design and Generative Structural Analysis”.

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Chung, Sung bok, and Martin Philip Venter. "Analysis and Design for a Wearable Single-Finger-Assistive Soft Robotic Device Allowing Flexion and Extension for Different Finger Sizes." Mathematical and Computational Applications 29, no. 5 (2024): 79. http://dx.doi.org/10.3390/mca29050079.

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This paper proposes a design framework to create individualised finger actuators that can be expanded to a generic hand. An actuator design is evaluated to help a finger achieve tendon-gliding exercises (TGEs). We consider musculoskeletal analysis for different finger sizes to determine joint forces while considering safety. The simulated Finite Element Analysis (FEA) response of a bi-directional Pneumatic Network Actuator (PNA) is mapped to a reduced-order model, creating a robust design tool to determine the bending angle and moment generated for actuator units. A reduced-order model is cons

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Omar, M. F., E. Sulaiman, L. I. Jusoh, S. M. N. S. Othman, and S. A. L. S. Badrudden. "Design and Performances of Multi-Tooth Stator Permanent Magnet Flux Switching Machine for Light Weight Applications." International Journal of Engineering & Technology 7, no. 4.30 (2018): 317. http://dx.doi.org/10.14419/ijet.v7i4.30.22294.

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Permanent magnet flux switching machines (PMFSMs) in which their torque performance produced by interaction between armature coils and permanent magnet (PM) have been widely designed for various applications. In this regard, single-phase 8Slots-12Poles PMFSM with single tooth stator is considered the most suitable candidate for light weight applications because of their advantages of lower copper loss, high efficiency and robust rotor. However, issues of low torque performance due to weak flux linkage, high of PM volume, and high distortion in back-emf that need to be improved. In this paper,

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Geydt, Andrey. "TESTING OF THE FEA COMPUTER PROGRAM WHEN CALCULATING FOUNDATION SETTLEMENT." Construction and Architecture 11, no. 3 (2023): 4. http://dx.doi.org/10.29039/2308-0191-2023-11-3-4-4.

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The paper presents the calculation results of the settlement of massive shallow foundations, obtained by Belarusian scientists, using methods regulated by the norms of the Republic of Belarus for the design of TCP 45-5.01-67-2007 "Slab foundations", TCP 45-5.01-254-2012 " Footings and Foundations" and the Technical Code Eurocode 7 (Part 1,2) "Geotechnical design". The paper also demonstrates the calculation results of the settlement in a real structure - an apartment building located at 37a Stroiteley Str. in Perm, made in the program shells of Plaxis 2D Foundation 1.1, Plaxis 3D Foundation 1.

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Plait, Antony, and Frédéric Dubas. "A 2D Multi-Layer Model to Study the External Magnetic Field Generated by a Polymer Exchange Membrane Fuel Cell." Mathematics 10, no. 20 (2022): 3883. http://dx.doi.org/10.3390/math10203883.

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An original innovative two-dimensional (2D) multi-layer model based on the Maxwell–Fourier method for the diagnosis of a polymer exchange membrane (PEM) fuel cell (FC) stack is presented. It is possible to determine the magnetic field distribution generated around the PEMFC stack from the (non-)homogenous current density distribution inside the PEMFC stack. Analysis of the magnetic field distribution can indicate whether the FC is healthy or faulty. In this way, an explicit, accurate and fast analytical model can allow the health state of an FC to be studied. To evaluate the capacity and the e

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Khorasani, Sepinood Torabzadeh, and Henry Valberg. "On the Velocity and the Strain Rate Field in Unlubricated Direct and Indirect Axisymmetric Extrusion of Al." Key Engineering Materials 611-612 (May 2014): 1013–20. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.1013.

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The velocity and strain rate fields in the primary deformation zone ahead of the extrusion die opening are investigated by theory and FE-simulation for direct and indirect Al extrusion. The metal flow obtained in the FEM-models of extrusion is compared with the flow recorded in previous experiments and it is shown that the FE-analysis mimics real metal flow with good accuracy. The velocity and the strain rate fields computed by FEA (using DEFORM® 2D) are described and comparison is made with the idealized spherical velocity field of Avitzur, to see if there is good agreement between the result

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