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
Ohmic heating (Joule heating) is a volumetric heating technology which can effectively process almost any pumpable fluid with extremely high energy efficiency (>95%). This is particularly useful for very thick fluids, those that burn on to hot surfaces and those with high solids content ... 詳細を見る
This paper describes the Virtual Prototype of a Dielectric Window or High Power Microwave Vacuum Tubes and Linear Accelerators. Design formulas are provided and Computer Aided Design techniques based on COMSOL Multiphysics® software are proposed. The virtual prototype considers the ... 詳細を見る
High-intensity discharge lamps will in the foreseeable future be important light sources despite a growing market share of LEDs. Cost and energy efficient high frequency (300 kHz) operation is hampered by the excitation of acoustic resonances inside the arc tube, which results in low ... 詳細を見る
The French National Waste Management Agency (Andra) envisages the safe disposal of High-Level Waste Intermediate-Level Long-Lived Waste through deep geological storage (multibarrier). Waste storage is based on the Callovo-Oxfordian formation (CallOx). It has been updated a reactive ... 詳細を見る
iCP (Nardi et al, 2014) is a software that couples two standalone simulation programs: COMSOL Multiphysics® and PHREEQC (Parkhurst & Appelo, 2013). The tool is ideal for applying multiphysics and geochemistry in Earth Sciences. Flexibility of the two coupled codes result in an ... 詳細を見る
Since the 1980s, the accelerating effect of electromagnetic fields on bone regeneration is used to treat complicated fractures and bone diseases. At the University of Rostock, an electrostimulative hip revision system is developed, basing on the method of Kraus-Lechner. This method ... 詳細を見る
Abstract: As a environmentally friendly thermal energy harvesting device, thermoelectric generator (TEG) can convert heat into electricity directly. Therefore, researchers have made great efforts to detailed explanation the principium including established many steady-state models to ... 詳細を見る
隐伏地质构造是影响煤矿安全生产的主要因素，准确识别地质构造在槽波地质勘探研究中显得尤为重要，本文采用支持向量机的方法对槽波地质构造进行识别，首先用COMSOL仿真软件对采空区、冲刷带、陷落柱、小断层、褶曲5种不同地质构造进行模拟仿真，随后采集对每类地质选取了多个不同的测量点得出的仿真数据726组，预处理数据进行特征构建，分别进行时间分块方差统计、频域分块能量统计、时序信号总体的均值、方差、平均能量、最大最小值差统计。 接下来用支持向量机对不同地质构造进行识别，主要用到支持向量机回归，通过MATLAB编写SVM来对该分类问题的数据进行训练和预测 ... 詳細を見る
优先流作为结构性土壤水分入渗的主要方式，影响着作物对降水以及灌溉用水的利用效率，同时影响污染物在土壤中的迁移过程。虫洞等大孔隙是产生优先流的重要因素，准确评估优先流运动对于土壤入渗的研究具有重要意义。本文主要借助COMSOL Multiphysics软件，探索虫洞的存在对土壤水分入渗的影响。我们结合熔锡灌注法和三维激光扫描法，从田间土壤中提取到真实的虫洞三维结构，然后将真实的虫洞3D结构导入COMSOL5.5中，构建土壤入渗模型。该模型主要用到多孔介质和地下水流模块的理查德方程，其中土体主要由虫洞和土壤基质两部分构成 ... 詳細を見る
Combining slot wave propagation theory and communication related theories, introducing the formation and classification of slot waves and other related theories. Analyze the typical geological structure in the coal seam of the scour zone and the reasons for its formation. Channel ... 詳細を見る