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
In the present study we determined the relative conductivities and permittivities of fresh cortical and cancellous bone measuring human femoral heads in different slices of 1 mm thickness. The identified conductivities of human trabecular bone are used for the electromagnetic field ... 詳細を見る
There are over 10 million kilometers of pipes and pipelines around the world that carry hazardous fluids and gases. Fluids include oil, oil products, chemicals such as solvents, caustics, acids, corrosives and combustibles often at high pressure and temperature. These pipes are ... 詳細を見る
In this paper the propagation of a plane wave in a large lossy medium is presented. The investigated geometry consists in a wedgeshaped lossy dielectric embedded in a lossy material with different electromagnetic properties. The aim of the study is to determine the feasibility of a radar ... 詳細を見る
In this paper a poly-optimization of the design of the electromechanical actuator is presented. The shape of the actuator is defined by the decision variables. The number of decision variables under consideration is up to ten but in the next step while the multi-coils system will be ... 詳細を見る
In this paper an Electromagnetic Solenoid Actuator (EMVA) consisting of an upper and lower electromagnet, a linear moving armature and two preloaded springs is considered as a potential approach in Variable Valve Actuation (VVA) systems for internal combustion engines. The analysis of ... 詳細を見る
In microwave heating applications, the energy is introduced directly into the volume of the material and as consequence the quality of the process is highly dependent on the uniformity of the electromagnetic field distribution along it. That is, the non uniformity of the heating is a ... 詳細を見る
For an exemplary electromagnetic actuator used to drive a Braille printer, a design optimization was performed. The optimization involves stochastic variables and comprises nominal optimization, robustness analysis and robust design optimization. A heterogeneous model simulates the ... 詳細を見る
Solid-state magnetic refrigeration near room temperature, based on the magnetocaloric effect (MCE), is being investigated as an environmentally friendly and sustainable alternative to traditional vapor-compression systems (responsible for the 7.8% of greenhouse gas emissions) [1] [2], ... 詳細を見る
脉冲电磁场（PEMF）作为一种非侵入式物理干预手段，可通过特定频率的时变磁场改善血液循环，调节身体机能，进而改善睡眠。影响电磁场空间分布的因素众多，包括波形参数（脉冲波形、脉冲幅值、脉冲频率、脉冲组合等）和线圈参数（导线直径、线圈匝数、线圈尺寸、布局等）。本文在COMSOL Multipyhsics软件平台上聚焦于线圈参数的优化设计及其对空间磁感应强度分布的影响。首先，构建单、双线圈模型，系统分析线圈绕制参数及尺寸对空间磁场分布的影响规律；其次，建立多线圈模型，研究不同布局策略对磁场均匀性的提升效果；最后，构建符合人体结构特征的三维多线圈模型 ... 詳細を見る
Structural colors of photonic crystals demonstrate significant application value in optical sensing and anti-counterfeiting due to their high stability and environmental friendliness. However, current research still lacks systematic investigation into the structure-property relationship ... 詳細を見る
