Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird
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Sehen Sie sich die Kollektion für die COMSOL Conference 2024 an
利用流体力学模型使用COMSOL软件进行潘宁离子源结构的建模，通过该软件试图找出潘宁离子源的最优结构。离子源结构被广泛的应用在各个领域，有着重要的作用，因此找到离子源的最优化结构是值得研究的课题。 主要使用COMSOL软件的等离子(plas)模块，添加AC/DC模块多物理场进行电容耦合计算，几何模型采用二维轴对称来构建离子源结构。使用COMSOL建立并模拟潘宁离子源的操作步骤主要是以下部分：1，先建立离子源的几何模型，通过手动一步一步绘制或者通过导入模型都可以达到一致的效果。2，设置材料。根据潘宁离子源的实际情况对先绘制的几何模型的各个部分进行材料给定，包括 ... Mehr lesen
This paper presents a Non Fourier heat conduction model to analyse the heat conduction from the electrical discharge plasma to the work piece in Wire Electric discharge Machining (EDM) process.A comparative study of the same with Fourier heat conduction is also simulated to study the ... Mehr lesen
Ar/H2 discharges are frequently used in various industrial applications, such as etching processes, surface treatment, and film deposition. In the discharges, the active species, such as ions and hydrogen atoms, are responsible for surface reactions, which could be considered as the ... Mehr lesen
Two-dimensional plasma transport model was developed in COMSOL Multiphysics Plasma Module to investigate fundamental issues in ceramic metal halide (CMH) lamps starting using Ar/Hg penning gas mixture. The intent of this work is to provide insight into possible design rules that might be ... Mehr lesen
Our group developed an experimental millimetric capsule intended to release chemicals or drugs. The delivery mechanism of such device relies on the thermal expansion of carbon-elastomer composites which deform upon irradiation of light supplied by a Laser diode through an optical fiber. ... Mehr lesen
通过COMSOL多物理场仿真软件，采用磁流体近似模型，进行等离子体模型建立时，首先建立二维轴对称几何模型，定义内置材料，设置等离子体内部反应方程式以及边界条件，其次进行网格剖分，最后通过研究和计算，得出仿真结果，从而对一维绘图和二维绘图进行研究。 在对等离子体模块进行学习过程中，学习COMSOL案例库中等离子体模块中直流放电“positivecolumn2d”模型和电感耦合等离子体“argongecicp”模型，对自己理解等离子体模块帮助很大。 此项关于等离子体破缺性研究的过程中，使用等离子体模块，根据不同的内部气体压强的变化 ... Mehr lesen
The heat and fluid flow calculation inside the melt pool in welding processes is a complex challenge. It can be useful to predict defects in the weld seam or to study the influence of some process parameters. Even if the required equations are mastered over the last few years, the cost ... Mehr lesen
Within this study a model of a single discharge of micro scale EDM was developed in accordance with Schulze et al [1]. The specific computation of the growth of the plasma channel has been derived from this literature. Applying COMSOL Multiphysics® a pseudo 3-D geometry was created based ... Mehr lesen
HIIPER is an experimental space propulsion device using a helicon and an IEC as a plasma generation and acceleration stage, respectively. There is an experiment in progress, but for true rapid iteration and to model the performance of the engine, COMSOL is a strong candidate for ... Mehr lesen
The discharge properties in low pressure inductively coupled Ar/CH4 plasmas operating at an RF frequency of 13.56 MHz and total gas pressure of 20 mTorr are studied in this work. The calculation of gas flow is performed in coupling with the plasma simulation. The gas flow rate is varied ... Mehr lesen