Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird
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Sehen Sie sich die Kollektion für die COMSOL Conference 2024 an
This work, which is done in the framework of the SisAl Pilot EU project, presents the use of the COMSOL Multiphysics® software for simulating an ensemble averaged electric arc in a laboratory-scale electric arc furnace. The SisAl Pilot project aims at optimising the silicon production in ... Mehr lesen
High-intensity discharge (HID) lamps are energy-efficient light sources with excellent color qualities. A three-dimensional model of a low-wattage lamp, which includes plasma, electrodes, and burner walls, was developed in COMSOL Multiphysics®. Most parameters appearing in the coupled ... Mehr lesen
In order to gather more detailed information on the rising sea level, glacier melting and tectonic plate movements to improve our understanding of global and climate change, the Next Generation Gravity Mission (NGGM) is being prepared by the European Space Agency (ESA) in cooperation ... Mehr lesen
Enzyme reactions, blood flow and diffusion in human vasculature play interacting and fundamental roles in blood coagulation. In this complex mechanism, the balance between blood and clot is a delicate equilibrium, whose tight regulation is vital to avoid pathologies such as bleeding and ... Mehr lesen
INTRODUCTION: The “Schrödinger equation” is usually associated with quantum mechanics, however for the nonlinear version (NLSE), there are applications outside the realm of quantum mechanics. NLSE appears in branches of physics like a) the quantum physics Bose-Einstein condensation ... Mehr lesen
Simulating the shielding of a 3T-magnetic field with superconducting NbTi and BSCCO tubes deploying the A-H field formulation using COMSOL Multiphysics Screening of electromagnetic fields is a crucial technique for areas such as telecommunications, medical imaging, data storage and for ... Mehr lesen
Materials such as aluminium with high thermal and electrical conductivities are of industrial interest, particularly for the automotive industry in the current context of increasing production of electric vehicles. The reflective properties of this material make it difficult to process ... Mehr lesen
In recent years, the optimization of high-temperature superconductors (HTS) has shown promising potential for developing advanced cable layouts aimed at the realization of practical fusion reactors. Despite their excellent performance in terms of electromagnetic and mechanical stability, ... Mehr lesen
叶片复合材料层的击穿是风电机组遭受雷击后的主要故障形式。对于低电导率的GFRP类叶片铺层而言，雷电先导作用下的强背景电场造成的电击穿可能先于回击电弧的热效应产生。为了获得GFRP铺层的电击穿机理，基于COSMOL Multiphysics软件，建立了引下线-GFRP铺层的流注放电数值仿真模型。考虑了空气域与介质层内部的粒子输运，以及气-固分界面上的电荷沉积与注入作用。通过“稀物质传递物理场” 模块、“静电物理场”模块、“边界常微分和微分代数” 模块以及“稳定对流-扩散方程接口” 模块对控制方程进行求解。依据电场梯度分布进行了网格加密与时间步设置 ... Mehr lesen
气体传感器在公共安全、环境监测等领域得到了广泛的应用。其中，电离气体传感器因其响应速度快、灵敏度高等优点而受到青睐。然而，电离气体传感器的应用面临着降低工作电压和减小器件尺寸等要求。因此，微纳尺度下的电离气体传感器的研究日益受到关注。本文利用COMSOL 的等离子体模块对大气压下微纳尺度针-板结构的负直流电晕放电的电学特性和放电等离子体特性进行了建模仿真。研究了电极结构、环境因素等对微纳尺度下负电晕放电发展过程和特性的影响。所得结论对微尺度电离气体传感器的优化设计具有一定的参考意义。 Mehr lesen