技術情報とプレゼンテーション

The dynamics of phase slip centers in a 1D model of superconducting wire was created based on the set of time-dependent Ginzburg-Landau equations (TDGL). The General Form PDE interface of COMSOL Multiphysics® simulation software was used. TDGL has successfully applied to this problem ... 詳細を見る

An important attribute for numerical simulations is to provide accurate quantified solution values. Thus it is useful to find complex problems with analytic solutions to confirm the numerical results obtained from software. The well-known proximity effect causes a redistribution of ... 詳細を見る

Power Transformers are the most important piece of power system elements and protecting this device from failures, especially from the internal faults has been a major challenge. The internal faults such as Turn-to-Turn (T2T) and Turn-to-Ground (T2G) has been attributed to most of the ... 詳細を見る

We present a detailed 2D COMSOL Multiphysics® model used to determine and improve the conversion efficiency in a liquid-metal microfluidics-based portable energy transducer. To date, most work on power generation technologies has focused on the optimization of existing technologies, and ... 詳細を見る

Photothermal deflection spectroscopy (PDS) relies on the angular displacement of a probe beam through a fluid with varying index of refraction. The precise angular displacement of the probe beam is dependent on the entire index of refraction field, which is in turn dependent on fluid ... 詳細を見る

CT and MRI are current techniques used for stroke detection. Although they are favored for their high accuracy and resolution, there are many situations that a potable and low-cost imaging technique is required. Ultra-sound technique is portable, but it cannot be used for stroke ... 詳細を見る

At the moment of DC activation, charged surfaces begin interacting with the adjoining electrolyte solution. The charges along the surface of that interface slowly attract oppositely charged ionic particles, which eventually gather on or near the surface, creating the Electric Double ... 詳細を見る

The quantitative value of electrical bio impedance in tissue structures is sensitive to changes in ionic concentration, frequency and dispersion but lacks specificity. It is difficult to a create a physical measurement set up of clinical value capable of quantifying the contribution of ... 詳細を見る

钻井时,泥浆滤液会在压力差的作用下侵入到渗透性地层,地层水的饱和度与矿化度发生改变,从而测量的电阻率数值偏离地层电阻率。 长方体模拟地层，三个圆分别模拟供电和测量电极，参数设定坐标。 地下水流模块中Two-Phase Darcy’s Law接口模拟泥浆侵入，两相流体密度和黏度，固体孔隙度与绝对渗透率都通过空白材料赋值，地层上下无流动，设定地层初始压力和流体饱和度，左侧边界设定侵入压力和流体饱和度，右侧边界设定出口压力。 化学模块中的Transport of diluted species in porous media计算泥浆侵入后地层水矿化度 ... 詳細を見る

生物医疗电子产品成为当前发展的新热点，为了与人体表面皮肤贴合，各种柔性材料用于制备医疗检测器件。其中，PVDF材料拥有良好的柔性、压电性、压阻性和生物相容性，可制备适用于符合人体力学的柔性探测器。PVDF材料具有很大的压电电压常数，微小的形变能产生较大的电势差。利用此特性，可检测颈椎、腰椎和膝关节的运动状况，极大的避免造成人体损伤。 利用Comsol多物理场有限元仿真软件，构建PVDF柔性器件结构，设置驱动材料和电极材料相关参数参数，选取固体力学模块和AC/DC模块，网格化分析求解，量化PVDF柔性器件形变和电压的关系。 comsol有限元分析软件具有多个专业模块 ... 詳細を見る