研究開発におけるマルチフィジックスシミュレーションの具体例
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COMSOL Conference 2024 論文集を見る
Transient eddy current (TEC) technique is being developed for detection of flaws located at depth within multilayer aluminum structures. The present work involves finite element modeling using COMSOL Multiphysics software to simulate different types of probes by changing some of these ... 詳細を見る
基于纸基微流控芯片(μPAD)的核酸提取和扩增反应需均匀稳定、快速响应的热源。半导体制冷器具有无需制冷剂和体积小等优点，可为纸基芯片提供便携式、低功耗分析平台。相较于其他传统核酸扩增与检测设备，μPAD可以借助内部纤维结构的毛细作用自驱动输送流体介质。并且，微尺度下纤维结构具备较高的比表面积，在原理上可改善常规比色、荧光等检测方法的检出限和精准度。然而，滤纸材料本征参数对试剂溶液动态扩散过程和反应结果影响很大，数值仿真模拟是μPAD性能分析和优化设计的重要途径。本文应用COMSOL®热电效应耦合模块和非等温流动耦合模块，获取芯片内部的温度场信息，评价μPAD温控系统设计 ... 詳細を見る
In this work we report on an investigation of the effect of the magnetic particles size on the effective macroscopic behavior of magnetorheological elastomers (MREs). MREs are a class of smart materials known for their tunable deformation. They are composite materials which consist of ... 詳細を見る
Using COMSOL Multiphysics, a finite element model is introduced in this paper to describe the couplings between the welding arc and the weld pool dynamic in pulsed gas tungsten arc welding. The cathode, arc-plasma and melting anode regions are taken into account. The unified time ... 詳細を見る
Transformers, as any other industrial products, have to comply with various requirements on noise levels. Three main sources of noise can be identified in transformers: no-load noise or core noise generated by magnetostriction in the core steel laminations, load noise produced by ... 詳細を見る
Recently, the concepts of fractal geometry have been introduced into electromagnetic and plasmonic metamaterials. With their self-similarity, structures based on fractal geometry should exhibit multi-band character with high Q factors due to the scaling law. However, there exist few ... 詳細を見る
High temperature super conducting (HTS) cables are gaining attentions for their ability to transmit more power compared to their convention counterparts with essentially no resistance and electromagnetic emissions. They are also appropriate for solving the grid congestion problem in the ... 詳細を見る
The actuation system of the deformable mirror is one of the crucial components of an Adaptive Optics unit. One possible implementation comprehends a linear force motor and a capacitive sensor providing the feedback measure signal. Choosing a magnetic circuit that makes optimum use of the ... 詳細を見る
Two transmitting planar microcoils (TX1, TX2) and one receiving microcoil (RX) are employed as shown in Fig.1 formed in induction-balance configuration. RX-Coil is positioned in such a way to achieve primary field suppression in RX-Coil’s region. Meaning, a magnetic cavity is created in ... 詳細を見る
This paper presents the design and simulation results of a MEMS-actuated deformable mirror (DM) consisting of a 20 × 20 Lorentz-force actuator array bonded to a flexible mirror. The DM is the critical component of an Adaptive Optics (AO) system targeted for ground-based telescope ... 詳細を見る