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
さまざまな業界のエンジニア, 研究者, 科学者がマルチフィジックスシミュレーションを使用して革新的な製品の設計とプロセスを研究および開発しています. COMSOL カンファレンスで発表したテクニカルペーパーやプレゼンテーションからインスピレーションを得てください. 以下の選択項目を参照するか, クイック検索ツールを使用して特定のプレゼンテーションを検索するか, アプリケーション領域でフィルタリングします.
COMSOL Conference 2024 論文集を見る
The development of highly sensitive and stretchable pressure sensors is an emerging technological goal to realize the accurate real-time measurement of signals in a living body for health monitoring and medical applications. Designing various microstructures of PDMS film, such as micro ... 詳細を見る
MW heating acts on asbestos fibers in slates and degrade them at low temperature comparing with conventional heating methods. The simulation of comsol multiphysics makes important roles to investigate the degrading mechanism, and will be introduced at the conference. We introduce the ... 詳細を見る
复合无间隙氧化锌避雷器是保护电力系统中各种电气设备安全稳定运行，免遭操作过电压和大气过电压侵害的重要装置。而其外部硅橡胶绝缘材料长期承受不均匀电场，导致外部绝缘材料加速劣化，对避雷器本体的安全性能造成威胁，为此，通过建立110KV复合无间隙ZnO避雷器的仿真模型，分析其外部绝缘材料空间场强分布情况，提出使用非线性电导材料对端部分布不均匀的高场强区域进行局部替换。采用COMSOL软件建立二维轴对称模型，利用AC/DC模块对避雷器进行仿真。仿真结果表明，使用非线性电导材料替换后，沿避雷器伞裙外表面最大场强从1.21 MV/m分别降至0.67MV/m、0.86MV/m ... 詳細を見る
通过COMSOL 内置的AC/DC模块可以模拟铁磁材料在磁场下的行为，如磁滞回线等。该方法通过求解麦克斯韦方程组来对材料的宏观磁性性质进行刻画。然而若要仿真磁性材料内微观或介观层面上磁矩的动力学行为，则需要使用到微磁学模型（micromagnetics），即求解Landau-Lifshitz-Gilbert方程（LLG方程）。微磁学模型假设磁性材料的磁性由若干个模长守恒的等效磁矩构成，由于交换相互作用、磁偶极相互作用、磁晶各向异性等各种相互作用的存在，我们可以仿真磁性材料内的微观磁结构，如磁畴壁、磁涡旋以及具有拓扑性质的磁斯格明子等 ... 詳細を見る
Radio frequency (RF) drying is a novel drying technology. During the RF drying process, the internal and external temperature of the food material is elevated simultaneously when traditional heating method relies on heat transfer from the surface to the inside, which greatly improving ... 詳細を見る
In this work, we design a type of meta-prism which can provide high-efficiency coupling between free space and optical waveguides at infrared frequencies. The meta-prism is composed of an ABA multilayer structure with a fixed total thickness. By varying the filling ratio of the ... 詳細を見る
In this work, we investigate the resonant properties of finite-sized membrane-mass-type elastic metamaterial thin plates. We find that the effective bending stiffness of such metamaterial thin plates can be controlled independently by the out-of-plane rotational resonances, so as to vary ... 詳細を見る
Introduction: Acoustic levitators are used to levitate small samples (ca. 0.01 - 6 mm) at a stable position in a gas or liquid environment. Acoustic levitators were first developed und used for experiments in space (1970s, by NASA / ESA), the application later became terrestrial (1990s). ... 詳細を見る
Damages caused by lightning overvoltages remains to be an important issue for electrical industry, putting limitations for efficiency of transmission and distribution of electrical energy. Modern solutions for lightning protection such as multichamber arresters (MCA) for overhead ... 詳細を見る
A) Abstract: There has been a spectacular growth in the field of wireless communication in recent years. Current trends in mobile wireless communications demand technologies that allow a single device or system to operate across multiple frequency bands and protocols. This cannot be ... 詳細を見る