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Journal articles on the topic 'COMSOL analysis'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Spina, Roberto, Marcel Spekowius, and Christian Hopmann. "Analysis of Polymer Crystallization with a Multiscale Modeling Approach." Key Engineering Materials 611-612 (May 2014): 928–36. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.928.

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The main objective of the presented work is to describe the crystallization kinetics of semi-crystalline thermoplastics with a multiscale model implemented into the COMSOL software and the in-house developed code SphäroSim. The filling and cooling simulations, implemented by using the computational fluid dynamics (CFD) and heat transfer (HT) modules of COMSOL, require the simultaneous solution of non-Newtonian multi-phase flow (polymer/air) and thermal fields in non-isothermal condition and transient regime. The simulation results are collected, converted into the OpenSource file format VTK (V

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Su, Rui, Yiming Zhang, Dong Zhang, and Junxia Gao. "Simulation Analysis Based on COMSOL Helicopter Time-domain Aeromagnetic Method." Journal of Physics: Conference Series 2636, no. 1 (2023): 012033. http://dx.doi.org/10.1088/1742-6596/2636/1/012033.

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Abstract This paper takes the time-domain aeromagnetic system as the research object and uses the finite element software COMSOL Multiphysics 6.0 to establish the three-dimensional system model. By comparing the COMSOL Multiphysics forward simulation solution with the one-dimensional numerical solution, it verifies that the COMSOL software meets the simulation accuracy requirements of the three-dimensional time-domain aeromagnetic method, and focuses on the analysis of the transient response at different flight altitudes is also analyzed. Based on the analysis of this paper, a set of aeromagne

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Solanki, Swapnil, Rohit Jangid, and Gaurav Srivastava Prateek Sharma Ritvik Chaturvedi. "Hot Spot Temperature Analysis of Transformer using FEM on COMSOL." International Journal of Trend in Scientific Research and Development Volume-2, Issue-3 (2018): 1289–95. http://dx.doi.org/10.31142/ijtsrd11280.

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Nimbal, Girija M., S. V. Halse, R. S. Mathad, B. Jyoti, and Rafia Begum. "Modeling and Analysis of Thermal Flexure Actuator Using COMSOL Multiphysics." International Journal of Computer and Electrical Engineering 6, no. 4 (2014): 294–98. http://dx.doi.org/10.7763/ijcee.2014.v6.841.

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Ghoneim, Sherif Salama Mohamed, Mahrous Ahmed, and Nehmdoh Abdelmotaleb Sabiha. "Transient Thermal Performance of Power Cable Ascertained Using Finite Element Analysis." Processes 9, no. 3 (2021): 438. http://dx.doi.org/10.3390/pr9030438.

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This paper presents the computation of the cable ampacity and the temperature distribution through long duration based on the equivalent thermal circuit based on IEC 60287 standard and the Finite element method using COMSOL (Multiphysics environment, version 5.5). This study investigated the cable ampacity and the temperature rise of the cable core and sheath at steady state and emergency conditions. The cable ampacity was investigated at different conditions such as the variation of cable depth, soil properties, and soil temperature. The results confirmed the adaptation between the thermal ci

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Qiu, Guoqing, Wei Wang, Shengyou Xu, Xin Yang, and Kedi Jiang. "The Simulation Analysis of IGBT Module Based on COMSOL." Journal of Physics: Conference Series 2306, no. 1 (2022): 012001. http://dx.doi.org/10.1088/1742-6596/2306/1/012001.

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Abstract IGBT, as the core device of high-capacity power electronic equipment, its stability is directly relevant to the normal operation of the equipment. It would cause system failure and major security incidents if aging failure phenomenon occurs. A complex multi-physical field coupling process is involved in the aging failure of IGBT. Based on Comsol software, this paper conducts a series of simulations on IGBT module model SKM50GB12T4, and also improves the simulation of the solder layer voids by combining with related literature on materials science to provide a basis for subsequent rese

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Zheng, Yong Gang. "System Energy Analysis and COMSOL Simulation of a Superconducting Shielding Model." Advances in Theoretical & Computational Physics 7, no. 4 (2024): 01–12. https://doi.org/10.33140/atcp.07.04.17.

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This article proposes a superconducting shielding magnetic field model based on the Meissner effect of superconductors, which blocks magnetic fields. By utilizing the shielding effect of the superconductor on the magnetic field during the phase transition, the model achieves intermittent shielding of electromagnetic force, allowing the electromagnetic force to work intermittently on the moving magnet within the model during its operation. The model is analyzed on the basis of superconducting thermodynamic theory, with a focus on the electromagnetic energy of the system. It is concluded that th

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Taco-Vasquez, Sebastian, César A. Ron, Herman A. Murillo, Andrés Chico, and Paul G. Arauz. "Thermochemical Analysis of a Packed-Bed Reactor Using Finite Elements with FlexPDE and COMSOL Multiphysics." Processes 10, no. 6 (2022): 1144. http://dx.doi.org/10.3390/pr10061144.

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This work presents the thermochemical analysis of a packed-bed reactor via multi-dimensional CFD modeling using FlexPDE and COMSOL Multiphysics. The temperature, concentration, and reaction rate profiles for methane production following the Fischer–Tropsch (F-T) synthesis were studied. To this end, stationary and dynamic differential equations for mass and heat transfer were solved via the finite element technique. The transport equations for 1-D and 2-D models using FlexPDE consider dispersion models, where the fluid and the catalyst can be treated as either homogeneous or heterogenous system

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Liu, Cheng Lin, Ze Sun, Yun Zhao, Xing Fu Song, Gui Min Lu, and Jian Guo Yu. "Different Finite Element Software on Electric Field Analysis of Magnesium Electrolysis Cell." Advanced Materials Research 291-294 (July 2011): 2352–55. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.2352.

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The electric field distribution was the main factor affecting on the current efficiency of electrolysis cell. So, the electric field distribution of magnesium electrolysis cell was studied to improve the current efficiency by two of main finite element softwares, COMSOL and ANSYS. The electric field distribution and its trends with the electrolyte change from 1.25m to 1.40m were calculated by using the two softwares. Form the results, the characteristics of COMSOL and ANSYS can be obtained. The conclusions of the paper will provided a significant reference for choose the appropriate software i

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V.Mouliraj, Ramesh Kumar Yadav, and N.Balachandar. "Pressure sensor diaphragm modelling and deformation analysis." International Journal of Scientific Methods in Engineering and Management 01, no. 03 (2023): 01–08. http://dx.doi.org/10.58599/ijsmem.2023.1301.

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This paper develops Micro-electromechanical Systems-based pressure sensor diaphragms (MEMS). This paper aims to build, model, and test a MEMS-based diaphragm that uses numerous structures of the same area and material to sense differential pressure. Similar goals: Diaphragm deflection and sensitivity were studied using COMSOL multiphysics software. LTspice is a high-performance SPICE simulator with a graphical schematic capture interface. The diaphragm bends when pressure changes, affecting the substrate-diaphragm displacement in COMSOL and the voltage output in LTspice via changing the resist

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Ulkir, Osman, Ishak Ertugrul, Oguz Girit, and Sezgin Ersoy. "Modeling and thermal analysis of micro beam using COMSOL multiphysics." Thermal Science 25, Spec. issue 1 (2021): 41–49. http://dx.doi.org/10.2298/tsci200529005u.

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In this study, the design and analysis of the micro beam is carried out using COMSOL multiphysics. The current passing through the beam distributes the heat energy due to its resistance that pushes the entire micro beam to the desired distance through thermal expansion. This expansion varies depending on the amount of current passing through the beam and the emitted temperature. The purpose of the model created is to estimate the amount of current and temperature increase required to cause displacement in the proposed micro beam using analysis software. In addition, displacements and temperatu

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Singh, Sarabjeet, and Yogesh Chandra Sharma. "Thermoelectric Effects on MoSi2 with Finite Element Analysis using COMSOL." International Journal of Advanced Engineering Research and Science 8, no. 8 (2021): 319–22. http://dx.doi.org/10.22161/ijaers.88.35.

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Wang, Jingwen, Xu Wang, Dan Yang, Kaiyang Wang, and Ye Zhou. "Magnetic Induction Tomography Simulation Analysis Based on Comsol Multiphysics Soft." IOP Conference Series: Materials Science and Engineering 394 (August 8, 2018): 042001. http://dx.doi.org/10.1088/1757-899x/394/4/042001.

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Dumitrescu, I. L., A. G. Ghiaus, and V. Fatu. "Microclimate analysis of healing and acclimatization tunnels using COMSOL Multiphysics." Acta Horticulturae, no. 1296 (November 2020): 159–66. http://dx.doi.org/10.17660/actahortic.2020.1296.21.

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Zhao, Xueli, Muyi Ni, Baojie Nie, et al. "3D tritium transport analysis for WCCB blanket based on COMSOL." Fusion Engineering and Design 151 (February 2020): 111405. http://dx.doi.org/10.1016/j.fusengdes.2019.111405.

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Han, Jue, and Qianqian Ma. "Finite Element Analysis of Geotechnical Excavation Based on COMSOL Multiphysics." IOP Conference Series: Materials Science and Engineering 592 (September 10, 2019): 012060. http://dx.doi.org/10.1088/1757-899x/592/1/012060.

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Yan, Rui, and Chilou Zhou. "Analysis of Focusing Performance in Phased Array Probe Using COMSOL." Journal of Physics: Conference Series 2610, no. 1 (2023): 012059. http://dx.doi.org/10.1088/1742-6596/2610/1/012059.

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Abstract To improve the detection ability of ultrasonic phased array detection for hydrogen storage vessel, COMSOL was used to simulate the main parameters of phased array probes. The influence of the number of array elements, array element spacing and excitation frequency on the sound propagation characteristics was analysed. The results showed that the number of array elements has a significant effect on the focused sound field. When the number of array elements is 8, effective focus cannot be formed at the pre-set focus position, and the maximum sound pressure value does not change signific

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Pan, Rui, Kefan Zhang, Weixiang Wang, et al. "Heat transfer characteristics analysis of heat pipe based on COMSOL." Annals of Nuclear Energy 204 (September 2024): 110549. http://dx.doi.org/10.1016/j.anucene.2024.110549.

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Swapnil, Solanki, Jangid Rohit, Srivastava Gaurav, Chaturvedi Ritvik, and Sharma Prateek. "Hot Spot Temperature Analysis of Transformer using FEM on COMSOL." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 1289–95. https://doi.org/10.31142/ijtsrd11280.

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The transformers are static bits of mechanical assembly with at least two windings, which by electromagnetic enlistment change an arrangement of substituting voltage and current into another arrangement of voltage and current for the most part of various esteems and at same recurrence for transmitting electrical power. In a transformer task, a piece of the electrical vitality is changed over into the warmth. That is the reason the exact estimation of temperatures in basic focuses is of down to earth intrigue. Problem area temperature HST esteem is a noteworthy factor that straightforwardly inf

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Palchikovskiy, Vadim, and Sergei Beloborodov. "On the Correct Generation of a Single Sound Mode in a Duct with Flow in COMSOL Multiphysics." E3S Web of Conferences 446 (2023): 01003. http://dx.doi.org/10.1051/e3sconf/202344601003.

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The paper considers the statement of a single-mode sound generation in a duct with flow in the COMSOL Multiphysics finite element analysis software. Verification of the COMSOL Multiphysics solution is based on a comparison with the analytical solution of a single-mode propagation in an annular duct with uniform flow. The verified statement of a single-mode generation in COMSOL Multiphysics is then used to predict the noise of a JT15D turbofan engine in the far field. The results of computations are compared with JT15D static test data and known numerical simulation results.

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Saurabh, Siddharth, M. Khalid Hossain, Sadhna Singh, Suneet Kumar Agnihotri, and D. P. Samajdar. "Optical performance analysis of InP nanostructures for photovoltaic applications." RSC Advances 13, no. 15 (2023): 9878–91. http://dx.doi.org/10.1039/d3ra00039g.

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The optical performance of different indium phosphide (InP) nanostructures are investigated using Wave Optics Module of COMSOL Multiphysics. Our results indicate that InP based nanostructures outperform silicon based nanostructures.

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Azar, Celine. "Viability of COMSOL within the silencer selection process." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 266, no. 2 (2023): 492–96. http://dx.doi.org/10.3397/nc_2023_0072.

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Silencer selection has long been a burdensome, and occasionally iterative process. It is typically done based on tested sound attenuation values obtained using large facilities and costly equipment - making the process time-consuming and unsustainable. Fortunately, Finite Element Analysis (FEA) continues to become a more viable intermediary step between design and construction. COMSOL Multiphysics(r) is an FEA solver and simulation software. COMSOL's acoustics module can determine full octave decibel values of Transmission Loss.This paper goes through parameters and model setup in the COMSOL e

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Alkaabi, Ahmed K., and Jeffrey C. King. "Benchmarking COMSOL Multiphysics Single-Subchannel Thermal-Hydraulic Analysis of a TRIGA Reactor with RELAP5 Results and Experimental Data." Science and Technology of Nuclear Installations 2019 (August 20, 2019): 1–14. http://dx.doi.org/10.1155/2019/4375782.

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COMSOL Multiphysics has been used to conduct thermal-hydraulic analysis in multiple nuclear applications. The aim of this study is to benchmark the prediction accuracy of COMSOL Multiphysics in performing thermal-hydraulic analysis of TRIGA (Training, Research, Isotopes, General Atomics) reactors such as the Geological Survey TRIGA Reactor (GSTR) by comparing its predictions with RELAP5 (a widely used code in nuclear thermal-hydraulic analysis) results and experimental data. The GSTR type is Mark I with a full thermal power of 1 MW, and it resides at the Denver Federal Center (DFC) in Colorado

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Ertugrul, Ishak, Osman Ulkir, Salih Ozer, and Serkan Ozel. "Analysis of thermal barrier coated pistons in the COMSOL and the effects of their use with water + ethanol doped biodiesel." Thermal Science 26, no. 4 Part A (2022): 2981–89. http://dx.doi.org/10.2298/tsci2204981e.

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In this study, the thermal analysis of an aluminum piston coated with MgOZrO2 to create a thermal barrier with the COMSOL multiphysics program and the changes in exhaust gas temperature, fuel consumption, and engine torque values obtained as a result of engine test experiments were examined. For this purpose, the MgOZrO2 coated and uncoated piston engine was started with biodiesel and 5% water + 15% ethanol doped biodiesel fuel at engine speeds of 1000 rpm, 1500 rpm, 2000 rpm, and 2500 rpm. In the thermal analysis results obtained in the COMSOL, it was found that the temperature values increas

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Just, Krzysztof, Paweł Piskur, and Mariusz Żokowski. "Dynamic Analysis of the Tubular Linear Actuator With Permanent Magnets." Scientific Journal of Polish Naval Academy 216, no. 1 (2019): 5–15. http://dx.doi.org/10.2478/sjpna-2019-0001.

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Abstract In this paper a results of a transient analysis of the linear actuator is presented. The linear actuator consist of the three cylindrical unmovable coils surrounded by a soft ferromagnetic case, a runner made from sequence of ferromagnetic and permanent magnet rings. The model of the linear actuator was implemented into two software: the Comsol Multiphysics and the Matlab-Simulink. Both environments are commonly used in simulation analysis, but the first one uses Finite Element Method (FEM) and the second one uses Ordinary Differential Equations (ODE). Moreover, the dynamic model was

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Raffaele, Davide, Emiliano Rustighi, and Timothy Waters. "Semi-Analytical Finite-Element Analysis for Free and Forced Wave Propagation Using COMSOL and LiveLink for Matlab." Vibration 6, no. 2 (2023): 359–74. http://dx.doi.org/10.3390/vibration6020022.

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The Semi-Analytical Finite-Element (SAFE) method represents one of the most established numerical approaches for predicting the propagation of elastic waves in one-dimensional structures of arbitrary cross-sections. Its implementation in the commercial finite-element software COMSOL Multiphysics has been proposed in recent years; however, it is limited to only the free wave propagation for computing dispersion curves. To overcome this limitation, this paper proposes an extension of this approach that combines COMSOL and its Livelink for Matlab tool. This enables the extraction from COMSOL of t

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ÖĞÜÇLÜ, Özer. "HELİSEL ÇAPRAZ AKIŞLI SU TÜRBİNİNİN PERFORMANS ANALİZİ VE OPTİMİZASYONU." Mühendislik Bilimleri ve Tasarım Dergisi 10, no. 2 (2022): 605–19. http://dx.doi.org/10.21923/jesd.816160.

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Bu çalışmada, bir helisel çapraz akışlı su türbininin performans analizini, Comsol Multiphysics kullanılarak incelemek için bir Hesaplamalı Akışkanlar Dinamiği modeli tasarlanmıştır. Bir helisel çapraz akışlı su türbininin güç çıkışı ve tork gibi ana performans özelliklerini tahmin etmek için, simülasyon için kullanılması doğru, hızlı ve oldukça basit olan sayısal bir model geliştirilmiştir. Türbin etrafındaki akış alanı, bir k-ω türbülans modeli ve kararlı durum formülasyonu kullanılarak Comsol CFD Modülündeki Rotating Machinery özelliği ile çözülmüştür. Navier-Stokes denklemleri, iç alanda d

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刘, 海圳. "Hydrothermal Coupling Analysis under Different Head Pressures Based on COMSOL Multiphysics." Hans Journal of Civil Engineering 13, no. 08 (2024): 1319–31. http://dx.doi.org/10.12677/hjce.2024.138144.

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Sivakumar, N., H. Kanagasabapathy, and H. P. Srikanth. "Analysis Of Perforated Piezoelectric Sandwich Smart Structure Cantilever Beam Using COMSOL." Materials Today: Proceedings 5, no. 5 (2018): 12025–34. http://dx.doi.org/10.1016/j.matpr.2018.02.177.

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Zhao, Xueli, Bing Zhang, Lei Chen, Kai Huang, and Songlin Liu. "Tritium transport analysis for WCCB blanket of CFETR based on COMSOL." Fusion Engineering and Design 140 (March 2019): 1–10. http://dx.doi.org/10.1016/j.fusengdes.2019.01.044.

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Hamzaw, Amjad H., and Qahtan A. Abed. "Numerical investigation on the performance analysis of thermophotovoltaic by using COMSOL." Technium: Romanian Journal of Applied Sciences and Technology 14 (October 9, 2023): 57–62. http://dx.doi.org/10.47577/technium.v14i.9675.

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The photovoltaic solar collector (PV) works to provide electricity in normal weather conditions. This paper displays the ﬂat plate PV/T collector produces electricity and thermal energy in overheating weather conditions. In this type of weather conditions, the intermediate efficiency of photovoltaic panels often drops. This occurs because the majority of the solar radiation that is absorbed by the PV panels is converted into heat causing them to operate at a high temperature. This result in reduced PV lifespan and intermediate efficiency. As a result, it has become necessary to use a variety o

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Manish Kumar Sharma, Ashish Kumar Jain, and Sandeep Gupta. "Modeling and analysis of thermal photovoltaic energy generator using COMSOL multiphysics." World Journal of Advanced Engineering Technology and Sciences 9, no. 1 (2023): 054–63. http://dx.doi.org/10.30574/wjaets.2023.9.1.0136.

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Because of to their versatile energy choice alternatives, immovable elements, and opportunity for effective energy generation, thermophotovoltaic techniques have a vast range of achievable applications. For illustration, these devices could help us to offer convenient energy. Nevertheless, first enhance the performance of thermo-photovoltaic cell unit devices along with decrease system costs and system temperatures. To achieve such objectives, we use simulation to evaluate and improve their thermo-photovoltaic cell unit models. This research regarded as the different alternatives of enhancing

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Masna, Tulus, and Sawal. "Computational analysis dynamics fluid of flow in dam using COMSOL Multiphysics." Journal of Physics: Conference Series 2421, no. 1 (2023): 012047. http://dx.doi.org/10.1088/1742-6596/2421/1/012047.

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Abstract One way to utilize river flows in Indonesia is to make a dam to get benefits in various fields. The river flow that enters the dam and which will flow again makes flow in the dam which causes a fluid dynamics. The fluid dynamics that occur in dams produce several events such as precipitation, flow turbulence, and so on. To see how the flow is, in this study a simulation was carried out by making a dam model followed by fluid dynamics analysis of the dam model. Then it will be solved by the finite element method. In its completion, a COMSOL Multiphysics program is used that applies the

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ISA, Esmatullah, and Dahai MI. "Numerical Analysis of a Standing-wave Thermoacoustic Engine using COMSOL Multiphysics." Proceedings of The Computational Mechanics Conference 2023.36 (2023): OS—1509. http://dx.doi.org/10.1299/jsmecmd.2023.36.os-1509.

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方, 正. "Simulation and Analysis of Static Magnetic Fields Based on COMSOL Multiphysics." Modeling and Simulation 14, no. 02 (2025): 11–16. https://doi.org/10.12677/mos.2025.142126.

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Mahto, Raghav. "Thermal stress analysis in pre-stressed concrete bridges using COMSOL Multiphysics." International Journal of Surveying and Structural Engineering 6, no. 1 (2025): 27–32. https://doi.org/10.22271/2707840x.2025.v6.i1a.36.

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Wu, Jianwen, Zhen Meng, Xingcheng Zhang, Wei Mi, and Yuepeng Yan. "Capacitive Angle Sensor Research Using COMSOL Multiphysics." Applied Sciences 13, no. 5 (2023): 2937. http://dx.doi.org/10.3390/app13052937.

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This paper presents a method of simulating a capacitive sensor using COMSOL Multiphysics. A petal-form sensitive electrode structure applied to a capacitive angle sensor was simulated using COMSOL software; the angle was calculated using sines and cosines with capacitance value to fill in the simulation of the capacitive angle sensor. First, according to the construction principle of the sensor structure, a GeoGebra graphing calculator with theoretical analysis and expression of function was used to obtain the two-dimensional structure of the target petal-form sensitive structure. Second, the

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Lakshmi Prabha, P., D. Kalyani, R. Parameshwari, and J. Malavika. "Detection of Liver Dysfunction using Microfluidics Analysis." Journal of Physics: Conference Series 2318, no. 1 (2022): 012033. http://dx.doi.org/10.1088/1742-6596/2318/1/012033.

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Abstract The body fluids are an important clinical diagnostic marker, considered by the physicians for diagnosis, monitoring and treating various diseases. Bilirubin, orange-yellow coloured pigment, an end-product of heme metabolism is a biomarker for liver dysfunction primarily jaundice. Similarly, blood pressure is one amongst the main parameters raised in most of the abnormalities including liver dysfunction. Hence, screening of blood pressure and concentration of bilirubin in the blood stream helps to detect the pathological conditions. In COMSOL Multiphysics, fluid flow simulation task is

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Tan, Xiao Long, Jia Zhou, and Wen Bin Wang. "Analysis of Wind Field Fan Based on Performance Enhancement Method." Advanced Materials Research 986-987 (July 2014): 235–38. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.235.

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For the simulation of wind turbine, the wind speed is extremely important parameters and indicators to measure the output power of the unit is the wind load. Therefore, in the airflow dynamics and simulation of wind loads before establishing an accurate wind speed model is crucial. At present, the application for wind turbines COMSOL fan, fan blades and wind load simulation field, the extremely important wind speed model is not perfect, most of the research is confined to a single constant wind speed, wind speed virtually ignored the magnitude and direction of change, on changes over time and

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Putra, Dian Eka, Falupi Kurniawan, Rahmawan Sinaga Rahmawan Sinaga, et al. "Earthing Resistance and Poldzolic Soil Resistivity at PT. Perta Samtan Gas Field Extraction Plant Prabumulih." International Journal of Research in Vocational Studies (IJRVOCAS) 2, no. 3 (2022): 66–70. http://dx.doi.org/10.53893/ijrvocas.v2i3.116.

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It is important to undertake research at the location of PT. Perta Samtan Gas Field Extraction Plant Prabumulih with Podzolik soil type (yellow gravel clay) and analysis in order to prevent work accidents and the risk of fire caused by leakage current at the gas processing extraction installation. Direct measurement of soil resistance value is used as the basis for the methodology, which is followed by literature study as background information and technical comprehension of experimental research. The outcomes of the research study are then compared using Comsol simulation with the computation

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Yuan, Li Tao, Ming Li Sun, Liang Dao Tang, and Guang Ming Cheng. "Simulation Analysis of Linear Electric Motor of the Moving Coil Type." Key Engineering Materials 522 (August 2012): 520–23. http://dx.doi.org/10.4028/www.scientific.net/kem.522.520.

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This paper shows how the circular motion of Linear Electric Motor of the Moving Coil Type. The force on the coils can be calculated with COMSOL Multiphysics either using the method of virtual displacement or using the Lorentz force expression.

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Qi, Beimeng, Zheng Zhou, Weichen Tian, et al. "Experimental and Numerical Investigation of Temperature Development of Ohmic Heating Cured Nonmass Concrete under Subzero Temperature." Advances in Civil Engineering 2021 (December 15, 2021): 1–11. http://dx.doi.org/10.1155/2021/9927910.

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In this paper, carbon fiber/carbon nanofiber strengthening nonmass concrete slab was designed, and ohmic heating (OH) curing was used to promote the strength formation of the slab under −20°C. COMSOL multiphysical field coupling program has been used to simulate the heating process of nonmass concrete slabs under different conditions. COMSOL analysis results showed that the optimal loading power density of OH cured sample under −20°C was 1000 W/m2∼1200 W/m2. Moreover, numerical analysis results were experimentally validated by the multipoint temperature measurement method. Furthermore, the mec

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Ndoumbe, Jean, Emeric Tchamdjio Nkouetcha, and Jean Gabriel Ologo Emboueme. "FEM Analysis of the Electric Field and Potential of Various Types of Insulators under Uniform Pollution." International Journal of Research and Review 10, no. 8 (2023): 1061–68. http://dx.doi.org/10.52403/ijrr.202308134.

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This work aims to present an analysis of the behaviour of the electric field and the potential for three different types of insulators, the glass, the porcelain and the polymeric. Since pollution is an important factor for their insulation performance and reliability in high-voltage systems, it is essential to understand how a uniform pollution layer could influence the distribution of the field and the electric potential for each of these insulators. For this purpose, COMSOL Multiphysics was used to study these distributions in both clean and polluted conditions, using the finite element meth

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Szczegielniak, Tomasz, Dariusz Kusiak, and Paweł Jabłoński. "Thermal Analysis of the Medium Voltage Cable." Energies 14, no. 14 (2021): 4164. http://dx.doi.org/10.3390/en14144164.

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The use of high voltage power cables in distribution and transmission networks is still increasing. As a result, the research on the electrical performance of cable lines is still up to date. In the paper, an analytical method of determining the power losses and the temperature distribution in the medium voltage cable was proposed. The main feature of the method is direct including the skin and proximity effects. Then the Joule law is used to express the power losses in the conductor and screen, and the Fourier-Kirchhoff equation is applied to find out the temperature distribution in the cable

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Khalin, S., V. Serbiy, T. Haidai, V. Mukha, and A. Shulik. "SIMULATION OF SOIL ENVIRONMENT RHEOLOGY IN COMSOL." Technical and technological aspects of development and testing of new machinery and technologies for agriculture of Ukraine 2, no. 35(49) (2024): 30–38. https://doi.org/10.31473/2305-5987-2024-2-35(49)-3.

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Aim. Increasing the efficiency of assessing the conformity and functioning of tillage machines by substituting a physical model with computer modeling. Methods. Analysis, analytical, experimental. Results. An automated system for modeling liquid flows has been adapted to the needs of agricultural mechanics. Namely, the Comsol software package for simulating the properties of the soil environment, which makes it possible to simulate its stress-strain state under the influence of a working body of any given configuration and obtain traction and energy indicators, which can serve as an evidence b

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Sulaiman, Muataz, and Ahmed Amer Al-Salman. "CFD Analysis of Operation Variables Impact on Microwave-Assisted Water Heating." Physical Sciences, Life Science and Engineering 2, no. 1 (2024): 14. https://doi.org/10.47134/pslse.v2i1.318.

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Microwaves are the best technique for thermal sensitive materials processes performing high temperature with short time and less consumption of energy in addition to perfect control. Microwave heating technique has a faster heating rate compared to conventional heating methods. Microwave process consists QVF tube of 240 mm length and 17 mm internal diameter which located in the center of microwave oven (2.45GHz). The experiments involve the flow rate of the water is (2, 4, and 6) l/hr and the power of the oven are (500, 750, 1000, and 1250) W. The temperature of the water increased by increasi

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Mahjabin, Mobarak. "A Review Paper on the Sensitivity Analysis in Bioimpedance Measurement Technique." International Journal of Innovative Science and Research Technology 7, no. 5 (2022): 346–50. https://doi.org/10.5281/zenodo.6604899.

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Bioimpedance is one of the most modern measurements of human body which is very essential in analyzing different biological system. Sensitivity analysis is very important in measuring the bioimpedance. Comsol Multi physics software simulations that use finite element method plays a very important role in analyzing the sensitivity. Also Matlab was used in some cases with Comsol to show the 3D representation of sensitivity. Proper sensitivity analysis helps us predict contribution of any the change of conductivity within active. This paper is mainly focused on simulation that has been done so fa

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Sun, Shangqu, Chengshuai Qin, Hongbo Wang, Liping Li, and Yongliang Huang. "Stability Analysis of Irregular Cavities in Tunnel Using Geomagic-COMSOL Coupling Method." Advances in Civil Engineering 2021 (March 20, 2021): 1–16. http://dx.doi.org/10.1155/2021/6660995.

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The erosion of soluble rock and transformation of groundwater result in the high irregularity of cavities in tunnel. At present, however, karst cavities are mainly simplified as circular, rectangular, or elliptical shape in the numerical simulation. The purpose of this paper is to propose a new method to analyze the stability of irregular cavities. First of all, we used the drilling laser scanning method to reconstruct the three-dimensional point clouds model of irregular cavities. Furthermore, we proposed the method of determining the point density to reduce the computational error under the

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Wijayanti, Widya, Musyaroh, Mega Nur Sasongko, Rizky Kusumastuti, and Sasmoko. "Modelling analysis of pyrolysis process with thermal effects by using Comsol Multiphysics." Case Studies in Thermal Engineering 28 (December 2021): 101625. http://dx.doi.org/10.1016/j.csite.2021.101625.

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MOSES, Manova, and Guruprasaath SURESH. "Structural and CFD Analysis of Unmanned Aerial Vehicle by using COMSOL Multiphysics." INCAS BULLETIN 13, no. 3 (2021): 107–11. http://dx.doi.org/10.13111/2066-8201.2021.13.3.9.

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The purpose of this article is to reduce the structural weight and drag of an unmanned aerial vehicle (UAV) or drone while increasing its endurance. To achieve a high strength to weight ratio, Finite Element Analysis is used to study the structural strength characteristics of UAV frames. A computational fluid dynamic analysis (CFD) is performed for different angles of attack and vehicle speeds to estimate the drag coefficient using the k-e turbulence model. The analysis results show that the designed UAV vehicle has excellent performance characteristics and stability at 5° AoA and 3 m/sec. Thi

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