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Sehen Sie sich die Kollektion für die COMSOL Conference 2024 an
本课题针对“三河市汇诚光机电有限公司”生产的热牵伸辊存在的加热线圈易烧断问题进行了理论分析和软件仿真，从理论上分析了磁场和涡流的分布规律，并基于电磁场与温度场耦合计算方法，对设备的温度分布进行研究，最终通过磁场与温度场耦合计算方法，模拟计算热辊电磁加热条件下的涡流分布与传热。通过COMSOL Multiphysics建立热牵伸辊二维和三维物理模型，进行了多物理场设置，边界条件的设定和材料参数的选定，用有限元法计算热牵伸辊在不同材料下的不同部位的磁通密度模、感应电流（涡流）以及热功率和温度，讨论了辊筒和线圈的热量分布，分析了热牵伸辊线圈寿命短的原因 ... Mehr lesen
In this work, the production intent design of a motor with controller inside a car seat for head restraint function is analyzed and optimized using the COMSOL Multiphysics® software and the Application Builder. Parameter based multiscale FEA models were developed by using external CAD ... Mehr lesen
The calculation of additional losses in induction machines is a challenging task. In skewed motors, a part of these losses is connected to the phenomena of inter-bar currents. Inter-bar currents flow between adjacent bars through the rotor lamination. Since they are aligned perpendicular ... Mehr lesen
This paper is an investigation into the effect of blood vessel movement on measurement accuracy of blood flow rate using magnetic flow meters. The investigation used a Finite Element model of the magnetic flowmeter built using COMSOL Multiphysics® software by integrating the modules of ... Mehr lesen
A micromirror or a torsional actuator in general has been proven to be one of the most popular actuators fabricated by Micro-Electro-Mechanical System (MEMS) technology in many industrial and biomedical applications such as RF switches, a laser scanning display, an optical switch matrix, ... Mehr lesen
A dielectric multilayer structure, with a grating profile on the surface layer, can couple light into a strongly confined surface wave, known as a Bloch surface wave. These surface modes can be used to design bio-sensors. The corrugated surface structure also enables azimuthal angular ... Mehr lesen
Snow can exist in a wide range of temperatures. Its behavior changes especially around its melting point. A better understanding for wet snow is essential for snow pack stability, the effect of water percolation and friction between ski and wet snow surface. Technical details about ... Mehr lesen
Finite element modelling of electrical machines usually assumes uniform magnetic properties and loss behaviour throughout the steel laminations. It is well known that manufacturing processes, like the assembly of the machine, deteriorate the properties of the core material. Generally, ... Mehr lesen
We present an optimization procedure to optimize the maximum coupling of free space optical wave to surface plasmon. Shape derivative from shape sensitivity analysis is calculated, and the corresponding partial derivatives of the objective functional with respect to finite number of ... Mehr lesen
The recent years have witnessed a growing interest in the possibility of enhancing the information transfer per unit bandwidth by exploiting the Orbital Angular Momentum (OAM) of light in both free-space and guided scenarios. In the proposed paper, the propagation of suitable OAM ... Mehr lesen