Consultez les proceedings de la Conference COMSOL 2020
Simulation of an ECT Sensor to Inspect the Reinforcement of Concrete Structures
The paper describes the use of COMSOL Multiphysics to simulate an ECT (Eddy Current Testing) sensor, designed to inspect the elements of the reinforcement of concrete structures. The paper describes the steps for the COMSOL simulation, and analyze the results for three configurations ... En savoir plus
Estudo da Formação de Poros na Membrana Durante a Eletroporação de Células Biológicas
Este trabalho tem como objetivo o estudo do fenômeno da eletroporação, mais especificamente, a formação de poros nas membranas plasmática e nuclear, a fim de identificar previamente a influência de cada parâmetro ao longo do processo, buscando configurações que proporcionem melhores ... En savoir plus
Potential Distribution Along a 500kV Polymer Insulator in Presence of a Pollution Layer
The objective of this study is to assess polymeric insulators subjected to polluted environments. The study cases were conducted on polymeric insulators of 500 kV lines. All analyses were carried out with computer simulations, employing the software COMSOL Multiphysics® to calculate the ... En savoir plus
Sensibility Analysis of Inductance Involving an E-core Magnetic Circuit for Non Homogeneous Material
In this work, a methodology is developed, based on the application of finite element method in the frequency domain, using the COMSOL Multiphyics software, aiming the sensibility analysis of inductance calculation involving some configurations of an E-core magnetic circuit. Such ... En savoir plus
Study of HVDC Grounding Systems Using Finite Element Methods
High Voltage Direct Current transmission (HVDC) is a suitable alternative for long distance transmission. During the years, the use of this technology has been increasing, which is one of the several reasons to improve methodologies in HVDC grounding systems. Unlike the usual approach ... En savoir plus
Multiphysics Analysis and Optimization of Mechatronic Device Applications for Switching Devices
Medium- and high-voltage circuit breakers and reclosers are important grid protection devices that connect different grid sources and increase the network/grid reliability. Currently, there is a clear need of increasing the numbers of switching operation. Therefore, the optimal design of ... En savoir plus
Investigating Magnetic and Electric Fields Couplings for 3D Models in Harmonic and Transient States
At present, no 3D transient magnetic and electric fields formulation with strong eddy currents and high electric fields is available in the physical applications with COMSOL Multiphysics® software. However, some industrial products need such a tool, as it is the case for induction coils ... En savoir plus
Prospects of Multiphysics Simulations to Steer the Development of High Brightness LED Technologies
The versatility of COMSOL Multiphysics® software has positioned it at competitive levels against other considered industrial-standard engineering software tools. This contribution is directed towards emphasizing the need of further developing the basic concepts of this versatile tool in ... En savoir plus
Parameter Extraction for a Field Weakening Operation Model of a PMSM
INTRODUCTION: A key parameter for electrical engines is the power density. High power density is particular beneficial for traction drives. Accordingly, optimizing power density is essential for competitive ability in the Formula Student Electric racing series [1]. The operating ... En savoir plus