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Journal articles on the topic 'FVM'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Xu, Haochen. "Analyzing heat transfer in Axial Flux Permanent Magnet electrical machines: A literature review on the discretization methods-FVM and FDM." Theoretical and Natural Science 11, no. 1 (2023): 223–30. http://dx.doi.org/10.54254/2753-8818/11/20230412.

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Axial Flux Permanent Magnet (AFPM) machines have gained significant attention due to their high power density, efficiency, and compact design. However, effective heat transfer analysis is critical for optimizing their performance and reliability. This paper presents a comprehensive literature review on the application of discretization methods, specifically the Finite Volume Method (FVM) and Finite Difference Method (FDM), in the thermal analysis of AFPM machines. The fundamentals of FVM and FDM are briefly explained, followed by an exploration of their applications in AFPM machine thermal ana

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Wah Yen Tey, Yutaka Asako, and Keng Yinn Wong. "Comparison Study Between Galerkin Finite Element Method and Finite Volume Method for Diffusion Problem." Journal of Advanced Research in Numerical Heat Transfer 15, no. 1 (2024): 24–42. http://dx.doi.org/10.37934/arnht.15.1.2442.

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The finite element method (FEM) is a robust and widely applied numerical scheme in the simulation of engineering problems, especially in structural mechanics. However, FEM is not as popular as the finite volume method (FVM) in Computational Fluid Dynamics (CFD), possibly due to its complicated numerical procedures. Indeed, FEM possesses tremendous advantages compared with FVM, particularly in dealing with complex geometry and rendering attractive flexibility to modify the interpolation functions. It is well-known that FEM and FVM differ in mathematical formulation, yet there is a lack of pract

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Lucero, Joseph Neil, Le Xu, Julian Cooper, Anirudh Allam, and Simona Onori. "A Comparative Study of Numerical Methods for Lithium-Ion Battery Electrochemical Modeling." ECS Meeting Abstracts MA2024-01, no. 27 (2024): 1459. http://dx.doi.org/10.1149/ma2024-01271459mtgabs.

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Lithium-ion battery (LIB) with high specific energy density and long cycle life is one widely used energy storage technology. In order to ensure longevity and safety of the battery system, a battery management system (BMS) that relies on battery model is required. With the development of BMS technique, more attention has been given to electrochemical models that provide insights into the battery internal states. In general, battery electrochemical models consist of partial differential equations (PDEs) describing the thermodynamic and electrochemical process inside the cell, and those PDEs can

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Li, Jian, Xin Zhao, Jianhua Wu, and Jianhong Yang. "A Stabilized Low Order Finite-Volume Method for the Three-Dimensional Stationary Navier-Stokes Equations." Mathematical Problems in Engineering 2012 (2012): 1–14. http://dx.doi.org/10.1155/2012/297269.

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This paper proposes and analyzes a stabilized finite-volume method (FVM) for the three-dimensional stationary Navier-Stokes equations approximated by the lowest order finite element pairs. The method studies the new stabilized FVM with the relationship between the stabilized FEM (FEM) and the stabilized FVM under the assumption of the uniqueness condition. The results have three prominent features in this paper. Firstly, the error analysis shows that the stabilized FVM provides an approximate solution with the optimal convergence rate of the same order as the usual stabilized FEM solution solv

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Qin, Yue Ping, Hong Bo Liu, Chuan Qin, and Guo Hui Su. "Comparative Study of FVM and FEM Using Rectangular Element in Heat Conduction Problems for Conductive Materials." Advanced Materials Research 321 (August 2011): 131–35. http://dx.doi.org/10.4028/www.scientific.net/amr.321.131.

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This paper established the mathematic model of plane transient temperature field using the Finite Volume Method according to the energy conservation rule, it clearly interprets the actual physical meaning of fundamental formula in the calculus of variations. The computational domains were subdivided by rectangular elements and the contributing formula was obtained from the elements to respective dots. Comparing the results with FEM results showed that they have same coefficient except the coefficient of time change. This paper analyzed the reason of the different results between FEM and FVM. I

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Gong, Hai Jun, Xin Zhong Li, Xue Yi Fan, Da Ming Xu, and Jing Jie Guo. "Data-Conversion and Displaying for Numerical Simulation of EMCC with FEM-FVM-Joint Method." Advanced Materials Research 418-420 (December 2011): 563–66. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.563.

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Abstract. For efficiently performing the numerical simulation of electromagnetic continues casting (EMCC) with finite element method (FEM) and finite volume method (FVM) combined scheme, a program integrates with data-format conversion and post-processing was proposed. The conversion of data format realized by linear interpolating, and the post processor developed on a Visual Fortran 6.6A platform using Fortran-95 language and the QuickWin module. Both 2-D and 3-D EM-FEM data calculated by a general-purpose FEM software, ANSYS, could be converted into FVM-data format using this program, and al

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Oida, S., E. Seta, H. Heguri, and K. Kato. "Soil/Tire Interaction Analysis Using FEM and FVM." Tire Science and Technology 33, no. 1 (2005): 38–62. http://dx.doi.org/10.2346/1.2186786.

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Abstract Vehicles, such as an agricultural tractor, construction vehicle, mobile machinery, and 4-wheel drive vehicle, are often operated on unpaved ground. In many cases, the ground is deformable; therefore, the deformation should be taken into consideration in order to assess the off-the-road performance of a tire. Recent progress in computational mechanics enabled us to simulate the large scale coupling problem, in which the deformation of tire structure and of surrounding medium can be interactively considered. Using this technology, hydroplaning phenomena and tire traction on snow have be

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Liu, Renwei, Dongjie Wang, Xinyu Zhang, Wang Li, and Bo Yu. "Comparison Study on the Performances of Finite Volume Method and Finite Difference Method." Journal of Applied Mathematics 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/596218.

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Vorticity-stream function method and MAC algorithm are adopted to systemically compare the finite volume method (FVM) and finite difference method (FDM) in this paper. Two typical problems—lid-driven flow and natural convection flow in a square cavity—are taken as examples to compare and analyze the calculation performances of FVM and FDM with variant mesh densities, discrete forms, and treatments of boundary condition. It is indicated that FVM is superior to FDM from the perspective of accuracy, stability of convection term, robustness, and calculation efficiency. Particularly ,when the mesh

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9

Benghalia, Riad, Ahmed Cheriet, and Ishaq Amrani. "The Finite Volume Method an Alternative Method for LF Electromagnetic Problems." European Journal of Electrical Engineering 22, no. 4-5 (2020): 301–11. http://dx.doi.org/10.18280/ejee.224-507.

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Currently, many simulation tools based on numerical methods are available for modelling of low frequency electromagnetic problems such as eddy current related problems, electrical machines and electromagnetic actuators analysis. Commonly, it’s the finite element method (FEM) which is used; nevertheless, the exploit of other numerical approaches, such as the finite volume method (FVM) can be strongly promising. Accordingly, the main purpose of this paper is to present the FVM method as an alternative method for low frequency electromagnetic problems. Thus, 2D and 3D FVM computer codes are devel

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Bernal, Álvaro, Rafael Miró, Damián Ginestar, and Gumersindo Verdú. "Resolution of the Generalized Eigenvalue Problem in the Neutron Diffusion Equation Discretized by the Finite Volume Method." Abstract and Applied Analysis 2014 (2014): 1–15. http://dx.doi.org/10.1155/2014/913043.

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Numerical methods are usually required to solve the neutron diffusion equation applied to nuclear reactors due to its heterogeneous nature. The most popular numerical techniques are the Finite Difference Method (FDM), the Coarse Mesh Finite Difference Method (CFMD), the Nodal Expansion Method (NEM), and the Nodal Collocation Method (NCM), used virtually in all neutronic diffusion codes, which give accurate results in structured meshes. However, the application of these methods in unstructured meshes to deal with complex geometries is not straightforward and it may cause problems of stability a

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Wang, Xiuying, Dapeng Zhi, Chengtao Yu, and Yu Chen. "A Thermo-hydrodynamic lubrication model of a mechanical seal modified by equivalent film thickness." Mechanics & Industry 21, no. 6 (2020): 622. http://dx.doi.org/10.1051/meca/2020096.

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An effective way to improve the combined performance of mechanical seals is to optimize their surface textures using multi-objective optimization method. For compatibility with the multi-objective optimization algorithm, the theoretical performance of a mechanical seal is often determined using the finite-difference method (FDM). However, compared with the finite-volume method (FVM) and finite-element method (FEM), FDM is weaker for dealing with the issue of discontinuous film thickness for a textured surface. In the present study, the thermo-hydrodynamic lubrication model of a mechanical seal

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12

Uddin, M. A., C. Kato, N. Oshima, M. Tanahashi, and T. Miyauchi. "Performance of the Finite Element and Finite Volume Methods for Large Eddy Simulation in Homogeneous Isotropic Turbulence." Journal of Scientific Research 2, no. 2 (2010): 237–49. http://dx.doi.org/10.3329/jsr.v2i2.2582.

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Large eddy simulation (LES) in homogeneous isotropic turbulence is performed by using the Finite element method (FEM) and Finite volume vethod (FVM) and the results are compared to show the performance of FEM and FVM numerical solvers. The validation tests are done by using the standard Smagorinsky model (SSM) and dynamic Smagorinsky model (DSM) for subgrid-scale modeling. LES is performed on a uniformly distributed 643 grids and the Reynolds number is low enough that the computational grid is capable of resolving all the turbulence scales. The LES results are compared with those from direct n

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Seta, E., T. Kamegawa, and Y. Nakajima. "Prediction of Snow/Tire Interaction Using Explicit FEM and FVM." Tire Science and Technology 31, no. 3 (2003): 173–88. http://dx.doi.org/10.2346/1.2135267.

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Abstract A three-dimensional prediction model has been developed in which the interaction between snow and a rolling tire with tread pattern is considered. An explicit finite element method (FEM) and a finite volume method (FVM) are used to model tire and snow respectively. Snow deformation is calculated by the Eulerian formulation to solve the complex interaction between snow and tire tread pattern. Coupling between a tire and snow is automatically computed by the coupling element. Numerical modeling of snow is essential to the tire performance prediction on snow. In this study, snow is assum

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14

Guoya Dong, J. Zou, R. H. Bayford, et al. "The comparison between FVM and FEM for EIT forward problem." IEEE Transactions on Magnetics 41, no. 5 (2005): 1468–71. http://dx.doi.org/10.1109/tmag.2005.844558.

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15

Loriot, Mark, and Loula Fezoui. "FEM/FVM calculations of compressible flows on a Meiko system." Future Generation Computer Systems 11, no. 1 (1995): 7–18. http://dx.doi.org/10.1016/0167-739x(94)00043-e.

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Vanselow, R. "Relations between FEM and FVM applied to the poisson equation." Computing 57, no. 2 (1996): 93–104. http://dx.doi.org/10.1007/bf02276874.

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Reddy, J. N., Matthew Martinez, and Praneeth Nampally. "A novel numerical method for the solution of nonlinear equations with applications to heat transfer." International Journal of Numerical Methods for Heat & Fluid Flow 31, no. 6 (2021): 1884–904. http://dx.doi.org/10.1108/hff-07-2020-0397.

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Purpose The purpose of this study is to extend a novel numerical method proposed by the first author, known as the dual mesh control domain method (DMCDM), for the solution of linear differential equations to the solution of nonlinear heat transfer and like problems in one and two dimensions. Design/methodology/approach In the DMCDM, a mesh of finite elements is used for the approximation of the variables and another mesh of control domains for the satisfaction of the governing equation. Both meshes fully cover the domain but the nodes of the finite element mesh are inside the mesh of control

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18

Wang, Jin, Yi Wang, and Jing Shi. "On efficiency and effectiveness of finite volume method for thermal analysis of selective laser melting." Engineering Computations 37, no. 6 (2020): 2155–75. http://dx.doi.org/10.1108/ec-03-2019-0106.

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Purpose Selective laser melting (SLM) is a major additive manufacturing (AM) process in which laser beams are used as the heat source to melt and deposit metals in a layerwise fashion to enable the construction of components of arbitrary complexity. The purpose of this paper is to develop a framework for accurate and fast prediction of the temperature distribution during the SLM process. Design/methodology/approach A fast computation tool is proposed for thermal analysis of the SLM process. It is based on the finite volume method (FVM) and the quiet element method to allow the development of c

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19

Tiwari, Shashank S., Shivkumar Bale, Diptendu Das, et al. "Numerical Simulations of a Postulated Methanol Pool Fire Scenario in a Ventilated Enclosure Using a Coupled FVM-FEM Approach." Processes 10, no. 5 (2022): 918. http://dx.doi.org/10.3390/pr10050918.

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Numerical investigations have been carried out for a postulated enclosure fire scenario instigated due to methanol pool ignition in a chemical cleaning facility. The pool fire under consideration is radiation-dominated and poses a risk to the nearby objects if appropriate safety requirements are not met. The objective of the current study was to numerically evaluate the postulated fire scenario and provide safety recommendations to prevent/minimize the hazard. To do this, the fire scenario was first modeled using the finite volume method (FVM) based solver to predict the fire characteristics a

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Vasconcellos, Guilherme L. F., Alex de Oliveira, Matheus D. Queiroz, Jánes Landre Júnior, and Cristiana B. Maia. "Flow Past a Circular Cylinder: A Comparison Between Commercial Finite Volume and Finite Element Codes." Advanced Science, Engineering and Medicine 12, no. 6 (2020): 815–24. http://dx.doi.org/10.1166/asem.2020.2578.

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This study compares the numerical analyzes of two commercial computational fluid dynamics (CFD) software programs: Ansys® CFX 14.5, based on the finite volume method (FVM); and Altair® AcuSolve 13.0, based on the finite element method (FEM). For this purpose, the flow around a circular cylinder inserted into the test section of a low speed wind tunnel was simulated. The same turbulence model, κ–ω SST (shear stress transport), was used in both software, and the numerical results were compared with experimental results. Results of velocity, pressure, static pressure coefficient and skin friction

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21

Ma, Lun, Liu Wang, Ying Ying Sun, et al. "Calculation of the Internal Temperature Field of Transformer by the Method of Combination the Finite Element and the Finite Volume." Advanced Materials Research 1079-1080 (December 2014): 492–97. http://dx.doi.org/10.4028/www.scientific.net/amr.1079-1080.492.

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Oil immersed transformer is an important equipment ofpower system, whose fault is often caused by the aging of insulation. In actualoperation, accurate calculation of the temperature field, especially hot spottemperature of transformer winding, is very important for stabilizing the powergrid operation and extending the transformer life. In order to calculate thetransformer's hot spot temperature accurately, a new method which is based oncomparison of respective advantages of the FEM and FVM is used; we take a31.5MVA transformer as exemple, using the hybrid method of the FEM and the FVM,the thr

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OIDA, Shoji. "Interaction Analysis between Tire and Deformable Medium Using FEM and FVM." NIPPON GOMU KYOKAISHI 80, no. 4 (2007): 159–62. http://dx.doi.org/10.2324/gomu.80.159.

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23

Kim, T. W., and H. Y. Jeong. "Hydroplaning simulations for tires using FEM, FVM and an asymptotic method." International Journal of Automotive Technology 11, no. 6 (2010): 901–8. http://dx.doi.org/10.1007/s12239-010-0107-0.

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Baldini, Samuele, Giacomo Barbi, Antonio Cervone, Federico Giangolini, Sandro Manservisi, and Lucia Sirotti. "Optimal Control of Heat Equation by Coupling FVM and FEM Codes." Mathematics 13, no. 2 (2025): 238. https://doi.org/10.3390/math13020238.

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In this paper, the optimal control theory is applied to a temperature optimization problem by coupling finite element and finite volume codes. The optimality system is split into the state and adjoint system. The direct problem is solved by the widely adopted finite volume OpenFOAM code and the adjoint-control equation using a variational formulation of the problem with the in-house finite element FEMuS code. The variational formulation of the problem is the natural framework for accurately capturing the control correction while OpenFOAM guarantees the accuracy of the state solution. This coup

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Lavesson, Nils, Jonathan Jogenfors, and Ola Widlund. "Modeling of streamers in transformer oil using OpenFOAM." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33, no. 4 (2014): 1272–81. http://dx.doi.org/10.1108/compel-12-2012-0361.

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Purpose – A model for streamers based on charge transport has been developed by MIT and ABB. The purpose of this paper is to investigate the consequences of changing numerical method from the finite element method (FEM) to the finite volume method (FVM) for simulations using the streamer model. The new solver is also used to extend the simulations to 3D. Design/methodology/approach – The equations from the MIT-ABB streamer model are implemented in OpenFOAM which uses the FVM. Checks of the results are performed including verification of convergence. The solver is then applied to some of the ke

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Zhang, Yuanyuan, and Zhongying Chen. "Admissible Regions for Higher-Order Finite Volume Method Grids." East Asian Journal on Applied Mathematics 7, no. 2 (2017): 269–85. http://dx.doi.org/10.4208/eajam.290416.161016a.

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AbstractAdmissible regions for higher-order finite volume method (FVM) grids are considered. A new Hermite quintic FVM and a new hybrid quintic FVM are constructed to solve elliptic boundary value problems, and the corresponding admissible regions are investigated. A sufficient condition for the uniform local-ellipticity of the new hybrid quintic FVM is obtained when its admissible region is known. In addition, the admissible regions for a large number of higher-order FVMs are provided. For the same class of FVM (Lagrange, Hermite or hybrid), the higher order FVM has a smaller admissible regio

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Rihacek, Jan, Eva Peterkova, Michaela Cisarova, and Jaroslav Kubicek. "COMPARISON OF FEM AND FVM FOR THE NUMERICAL SIMULATION OF FORGING PROCESS." MM Science Journal 2020, no. 1 (2020): 3734–39. http://dx.doi.org/10.17973/mmsj.2020_03_2019151.

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Maryška, Jiří, Otto Severýn, Miloslav Tauchman, and David Tondr. "Modelling of processes in fractured rock using FEM/FVM on multidimensional domains." Journal of Computational and Applied Mathematics 215, no. 2 (2008): 495–502. http://dx.doi.org/10.1016/j.cam.2006.04.074.

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Chakraborty, Subhamita, Shubhabrata Datta, Sujay Kumar Mukherjea, and Partha Protim Chattopadhyay. "Cooling Profile Analysis of Hot Strip Coil Using Finite Volume Method." Applied Mechanics and Materials 789-790 (September 2015): 496–502. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.496.

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To get the low temperature transformation product of austenite, study of cooling behavior of coil is essential. Temperature distribution profile of the hot strip coil has been determined by using finite volume method (FVM) vis-à-vis finite difference method (FDM). It has been demonstrated that FVM offer greater computational reliability in estimation of contact pressure distribution and hence the temperature distribution for curved and irregular profiles, owing to the flexibility in selection of grid geometry and discrete point position, Moreover, use of finite volume concept allows enforcing

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Doliya, Prince, and Jatinder P. Singh. "An Interpretive Structural Modeling Approach to Analyze the Interaction between Factors of the Fair Value Measurement Audit Process." Journal of Emerging Technologies in Accounting 13, no. 2 (2016): 37–48. http://dx.doi.org/10.2308/jeta-51477.

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ABSTRACT Fair value measurements (FVM) have now emerged as an integral part of accounting and auditing standards. Many countries across the globe have initiated FVM-based standards and others are in the process of their adoption. The FVM audit process is, nevertheless, a tedious job for auditors, mainly because of the influence of numerous direct or indirect factors in the audit process and its outcome. A major issue for auditors is to identify and understand the complexity of these factors for a FVM audit. To the best of the authors' knowledge, extant literature discusses these factors indepe

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Lu, Jianwei, Guoying Wu, Ling Zhou, and Jinyuan Wu. "Finite Volume Method for Modeling the Load-Rejection Process of a Hydropower Plant with an Air Cushion Surge Chamber." Water 15, no. 4 (2023): 682. http://dx.doi.org/10.3390/w15040682.

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The pipe systems of hydropower plants are complex and feature special pipe types and various devices. When the Method of Characteristics (MOC) is used, interpolation or wave velocity adjustment is required, which may introduce calculation errors. The second-order Finite Volume Method (FVM) was presented to simulate water hammer and the load-rejection process of a hydropower plant with an air cushion surge chamber, which has rarely been considered before. First, the governing equations were discretized by FVM and the flux was calculated by a Riemann solver. A MINMOD slope limiter was introduced

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Barbi, Giacomo, Antonio Cervone, Federico Giangolini, Sandro Manservisi, and Lucia Sirotti. "Numerical Coupling between a FEM Code and the FVM Code OpenFOAM Using the MED Library." Applied Sciences 14, no. 9 (2024): 3744. http://dx.doi.org/10.3390/app14093744.

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This paper investigates a numerical code-coupling technique to tackle multiphysics and multiscale simulations using state-of-the-art software packages that typically address some specific modeling domain. The coupling considers the in-house FEM code FEMuS and the FVM code OpenFOAM by exploiting the MED library from the SALOME platform. The present approach is tested on a buoyancy-driven fluid flow within a square cavity, where the buoyancy force constitutes the coupling term. In uncoupled scenarios, momentum and temperature equations are solved in both FEM and FVM codes without data exchange.

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Wyatt, Stephen, Marie-Hélène Rousseau, Solange Nadeau, Nelson Thiffault, and Louis Guay. "Social Concerns, Risk and The Acceptability of Forest Vegetation Management Alternatives: Insights for Managers." Forestry Chronicle 87, no. 02 (2011): 274–89. http://dx.doi.org/10.5558/tfc2011-014.

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Although public opinion and social issues have significant influence on policy-making, research on forest vegetation management (FVM) in Canada has a strong focus on biological aspects, with less attention being paid to social concerns. This paper reviews the social context in which FVM occurs. Individual views about FVM reflect a combination of values, beliefs, and attitude while also including differing perceptions of risks. Public views and the broader social acceptability of management decisions can be linked to five key factors: context, risk, aesthetics, trust, and knowledge. Judgements

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Casas, Claudia Patricia, Adriana Linares, Claudia Suárez, and Yadira Valderrama. "Experiencia con factores de vida media extendida en población con hemofilia A en profilaxis." Revista Colombiana de Hematología y Oncología 8, Suplemento 1 (2022): 73–74. http://dx.doi.org/10.51643/22562915.439.

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Introducción: los pacientes con hemofilia A severa (HAS), presentan sangrados articulares que conlleva a cambios inflamatorios, dolor, comorbilidad y deterioro de la calidad de vida. La profilaxis es un estándar de manejo en este grupo y suele estar basada en peso, fenotipo del sangrado, estilo de vida, perfil farmacocinético, y estado articular, entre otros. El tratamiento con factores de vida media estándar (FVM estándar) ha sido el más utilizado en nuestro país. El advenimiento de los factores de vida media extendida (FVM extendida), productos que incorporan una tecnología ya sea pegilación

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Wang, Rongxin, Rui Wang, and Jian-Min Zhang. "High-performance FEM-FVM solid-fluid coupled dynamic analysis method for soil liquefaction." Japanese Geotechnical Society Special Publication 10, no. 35 (2024): 1322–28. http://dx.doi.org/10.3208/jgssp.v10.os-24-02.

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Almutairi, Shahad Saleh Ayad, and Abdulkafi Mohammed Saeed. "A Comparative Study of finite Difference and Galerkin Finite Element Methods for Solving Boundary Value Problems." European Journal of Pure and Applied Mathematics 18, no. 2 (2025): 5895. https://doi.org/10.29020/nybg.ejpam.v18i2.5895.

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Many applications in engineering cannot be solved analytically, major difficulty in the study of partial differential equations is that it is often impossible to obtain analytical solutions. Therefore, various numerical methods for solving partial differential equations have been proposed by related researchers, such as the finite difference method (FDM), finite element method (FEM), finite volume method (FVM), etc. The earliest is the FDM, which approximates the differential equations by using a local Taylor expansion. The finite element method (FEM) is a numerical technique for solving probl

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Abidin, Azrriq Bin Zainul, and Yupiter Hp Manurung. "Simulation and Experimental Investigation on Water Meter Housing Using FV Method." Applied Mechanics and Materials 393 (September 2013): 234–39. http://dx.doi.org/10.4028/www.scientific.net/amm.393.234.

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This paper presents an investigation on hot forging process using simulation and experimental study. The product to be investigated was water meter housing made of material CuZn40Pb2. In the simulation part, Finite Volume Method (FVM) was applied by using commercial FEM/FVM software SIMUFACT version 10.0 and material database MATILDA. The simulation parameters followed the actual setting under consideration of the machine characteristic and friction. The simulation was further verified using crank-pressed forging machine with graphite lubrication. As the final result, the comparison defect of

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Bressan, José Divo, and Marcelo Matos Martins. "Study of Direct Metal Extrusion by the Upper-Bound and Finite Volume Methods." Key Engineering Materials 987 (September 23, 2024): 23–30. http://dx.doi.org/10.4028/p-ub1vhl.

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The velocity fields of axisymmetric direct extrusion of metals was analysed by the upper-bound method and compared with the results from the finite-volume method, FVM. The upper-bound technique proposed by Avitzur and by Zhao et al. together with the streamline functions were employed to calculate the analytical velocity fields, which consider the friction at die wall. Moreover, the components of strain-rate are also presented. Additionally, the axisymmetric extrusion process was modelled by the FVM method to calculate the velocity fields and compared with the Avitzur’s and by Zhao’s solutions

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Cunion, Ed. "Spherical calibration and quality control of ground and UAV vector magnetometer data." Leading Edge 40, no. 5 (2021): 382a1–382a6. http://dx.doi.org/10.1190/tle40050382a1.1.

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Ground traverse and unmanned aerial vehicle (UAV) airborne magnetic mapping results covering an urban landfill are compared for a picoTesla-resolution fluxgate vector magnetometer (FVM). Rural and urban system noise tests are undertaken first to develop FVM quality assessment and control methods that are then used for processing the landfill survey data. The FVM ground and UAV survey results are subsequently compared with a femtoTesla-resolution alkali-vapor scalar magnetometer ground survey that provides a scalar total magnetic intensity image reference standard.

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Saji, Shota, Junichi Hasegawa, Junki Koike, Misato Takatsuki, Natsumi Furuya, and Nao Suzuki. "Ultrasound Doppler Findings in Fetal Vascular Malperfusion Due to Umbilical Cord Abnormalities: A Pilot Case Predictive for Cerebral Palsy." Diagnostics 13, no. 18 (2023): 2977. http://dx.doi.org/10.3390/diagnostics13182977.

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Fetal Vascular Malperfusion (FVM), a pathologic condition in the feto-placental circulation, is a chronic vaso-occlusive disorder in the umbilical venous blood flow. Microthrombi are caused by the umbilical cord’s blood flow deficiency in a congested umbilical vein, which also causes microvascular damage to fetal organs, especially the brain, resulting in cerebral palsy. Thrombo-occlusive events also adversely affect the upstream chorionic or stem vessels in the placenta, resulting in fetal growth restriction and fetal hypoxia. An umbilical cord structural anomaly or multiple entanglements may

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Perin, Mattia, Youngbin Lim, Guido A. Berti, Taeyong Lee, Kai Jin, and Luca Quagliato. "Single and Multiple Gate Design Optimization Algorithm for Improving the Effectiveness of Fiber Reinforcement in the Thermoplastic Injection Molding Process." Polymers 15, no. 14 (2023): 3094. http://dx.doi.org/10.3390/polym15143094.

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Fiber reinforcement orientation in thermoplastic injection-molded components is both a strength as well as a weak point of this largely employed manufacturing process. Optimizing the fiber orientation distribution (FOD) considering the shape of the part and the applied loading conditions allows for enhancing the mechanical performances of the produced parts. Henceforth, this research proposes an algorithm to identify the best injection gate (IG) location/s starting from a 3D model and a user-defined load case. The procedure is composed of a first Visual Basic Architecture (VBA) code that autom

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Pal, Susovan, Prashanth Reddy Hanmaiahgari, and Bryan W. Karney. "An Overview of the Numerical Approaches to Water Hammer Modelling: The Ongoing Quest for Practical and Accurate Numerical Approaches." Water 13, no. 11 (2021): 1597. http://dx.doi.org/10.3390/w13111597.

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Here, recent developments in the key numerical approaches to water hammer modelling are summarized and critiqued. This paper summarizes one-dimensional modelling using the finite difference method (FDM), the method of characteristics (MOC), and especially the more recent finite volume method (FVM). The discussion is briefly extended to two-dimensional modelling, as well as to computational fluid dynamics (CFD) approaches. Finite volume methods are of particular note, since they approximate the governing partial differential equations (PDEs) in a volume integral form, thus intrinsically conserv

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Tezuka, Akira, Takeshi Suzuki, Shinsuke Takase, Junichi Matsumoto, and Kiyoshi Matsubara. "Parallel Computational Platform for FEM/FDM/FVM (PCP ver.1.2) : Perfect covering concepts of matrix handling, MPI commands and memory allocation." Proceedings of The Computational Mechanics Conference 2004.17 (2004): 373–74. http://dx.doi.org/10.1299/jsmecmd.2004.17.373.

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Hasuno, Akihito, Koichi Anzai, and Eisuke Niyama. "Solidification Analysis by FVM on Irregular Grid." Transactions of the Japan Society of Mechanical Engineers Series B 61, no. 584 (1995): 1470–76. http://dx.doi.org/10.1299/kikaib.61.1470.

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Vanselow, R. "Konvergenzanalysis einer FVM für Konvektions-Diffusions-Probleme." PAMM 1, no. 1 (2002): 498. http://dx.doi.org/10.1002/1617-7061(200203)1:1<498::aid-pamm498>3.0.co;2-8.

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Erath, Christoph, Günther Of, and Francisco-Javier Sayas. "A non symmetric FVM-BEM coupling method." PAMM 16, no. 1 (2016): 743–44. http://dx.doi.org/10.1002/pamm.201610360.

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Lou, Shu Mei, and Lin Jing Xiao. "Research and Development of the Porthole-Die Aluminium Alloy Extrusion Processes." Advanced Materials Research 472-475 (February 2012): 214–18. http://dx.doi.org/10.4028/www.scientific.net/amr.472-475.214.

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The current research on the porthole-die aluminium alloy extrusion is presented here. The empirical method and simulation method are analyzed. Particularly, the Lagrangian Finite Element Method(FEM), Eulerian Finite Volume Method(FVM) and Arbitrary-Lagrangian Eulerian(ALE) algorithm are compared. The development of the porthole-die aluminium is educed.

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Ozcan, Tulin, Sandra Kikano, Sarah Plummer, James Strainic, and Sanjita Ravishankar. "The Association of Fetal Congenital Cardiac Defects and Placental Vascular Malperfusion." Pediatric and Developmental Pathology 24, no. 3 (2021): 187–92. http://dx.doi.org/10.1177/1093526620986497.

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Objectives Abnormal early angiogenesis appears to impact both placental disorders and fetal congenital heart defects (CHD). We sought to assess the association of placental perfusion defects (PPD) and fetal (CHD). Methods Singleton pregnancies with isolated severe fetal CHD were compared to controls without congenital anomalies or maternal malperfusion (MVM) risk factors. CHD was categorized into group 1: single left ventricle morphology and transposition of the great vessels (TGA) and group 2: single right ventricle and two ventricle morphology. Malperfusion was defined as fetal vascular malp

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Chen, Ze Zhong, and Zhong Xu Bao. "Finite Volume Simulation and Multi Parameters Optimization on Extrusion of Complex Aluminum Profile." Advanced Materials Research 97-101 (March 2010): 395–99. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.395.

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In this paper, finite volume method (FVM) is adopted to simulate complex irregular aluminum profile extrusion process. The basic theory of FVM, the materials model, friction model, and a computer aided optimization (CAO) model based on orthographic experiments, artificial neural network (ANN) and genetic algorithm (GA) are presented. A complex aluminum profile extrusion is simulated and optimized. The results show FVM simulation is a good way for the description of material flow, and mesh distortion could be avoided effectively. Optimal values of multi parameters are also obtained. Experiment

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Saeed, Abdulkafi Mohammed, and Thekra Abdullah Fayez Alfawaz. "Qualitative Study on Finite Volume Method for Solving Linear and Nonlinear Partial Differential Equations." European Journal of Pure and Applied Mathematics 18, no. 2 (2025): 5892. https://doi.org/10.29020/nybg.ejpam.v18i2.5892.

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Numerous numerical solutions have been developed over the past decades to provide suitable solutions for several types of problems in computational fluid dynamics (CFD). The finite volume method (FVM) is a numerical technique adopted in computational fluid dynamics to solve partial differential equations representing conservation laws. In this article, two mathematical models are presented: one for the linear advection equation and another for the nonlinear Burgers' equation with diffusion, along with various schemes of the FVM. Furthermore, numerical experiments will be conducted for several

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