See How Multiphysics Simulation Is Used in Research and Development
Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.
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In the nuclear industry, and particularly at Framatome, mastery of welding processes is essential. Framatome is one of the world leaders in this field and wants to improve even more. The work presented focuses on improving the TIG (Tungsten Inert Gas) welding process, and more ... Read More
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, ... Read More
Vacuum distillation furnaces (VDFs) are employed for purification and consolidation of heavy metals from their dendritic forms which are entrained with molten salts. The VDF is an induction heated furnace which is operated at a temperature of 700-1400 °C and at a pressure of 0.01-600 ... Read More
The application of an oscillating magnetic field on the high-power full-penetration laser beam welding process of a 20 mm thick stainless steel plate was numerically and experimentally investigated. In the simulations, three-dimensional heat transfer and fluid dynamics as well as ... Read More
The article deals with the magnetically-supported high-power full-penetration laser beam welding of aluminum. A stationary simulation was conducted accounting for the effects of natural convection, Marangoni convection and solid-liquid phase transition as well as an electromagnetic ... Read More
Package material for liquid food packages typically features a multilayered structure with paperboard as a core material and protective polymer layers towards the product and the ambient. Aseptic food packages require an additional barrier layer comprising a thin aluminum layer. Aluminum ... Read More
In the rapid development cycle of sensor systems, minimizing time-to-market is crucial. However, designing a new MEMS-chip (Micro-Electro-Mechanical Systems) presents significant challenges due to the extensive time required for manufacturing and characterization. This delay affects the ... Read More
超导转变边沿探测器（Transition edge sensor，TES）利用超导薄膜电阻对温度的高灵敏响应关系来精确测量光子能量。在TES探测器设计开发中，当前主要采用小信号原理，通过线性近似方式来建立探测器输出脉冲与各参数之间的关系，该方法无法分析探测器尺寸效应、信号饱和等情况，且无法处理更加复杂的结构，这限制了TES探测器技术的发展。 在本研究中利用COMSOL Mutiphysics®软件进行TES吸收体与超导薄膜传热分布，与电信号反馈的仿真。首先，利用COMSOL固体传热模块进行对TES器件进行传热物理场的建模。然后利用AC ... Read More
钨丝是早期热发射电子源阴极灯丝的关键材料，工程组件上多数采用的灯丝直径为0.127~0.203mm，一般将其制成V型发叉式。模型构建了三维灯丝几何结构，计算过程中对灯丝弯折角处的区域进行网格加密处理。结合COMSOL Multiphysics多物理场的电磁热模块，实现了对钨灯丝的温度分布模拟计算，并进一步计算不同几何结构和不同灯丝材料对灯丝温度分布的影响。仿真结果表明，在材料钨、钛、锆以及各种弯折角度下，灯丝最高温度与弯曲处温度差稳定在30~40K左右。从趋势上看，弯折角度α越小灯丝总温度越高。该工作解释了常见灯丝熔断点非灯丝针尖的工程问题 ... Read More
高压直流电缆终端和接头是直流电缆系统中的关键部件。我们团队设计开发了一种±200 kV高压直流充气插拔式电缆终端。该类型终端具有重量轻、安装时间短及爆炸风险低等优势。在设计过程中，我们依靠COMSOL Multiphysics，分别进行了电热耦合和机械应力仿真建模。其中电热耦合模型用于电场强度计算，而机械应力模型用于界面压强计算。利用该方法设计的高压直流电缆终端已成功通过型式试验，证明了该设计方法的可行性。后续的裕度实验进一步表明该系统具有充足的安全裕度，其在尺寸缩小和更高电压等级应用方面具有潜力。 Read More