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COMSOL Conference 2024 論文集を見る
To consider effective counter measures against ground water contaminated with dense non-aqueous phase liquids (DNAPLs) such as chlorinated solvents, it is first important to understand the mechanism of their migration in heterogeneous aquifer. In addition, numerical analysis models to ... 詳細を見る
In volcanic areas, the presence of heterogeneous materials and high temperatures affect the rheological behaviour of the Earth's crust that calls for considering the anelastic properties of the medium surrounding the magmatic sources. A thermo-mechanical numerical model is performed for ... 詳細を見る
Immiscible two-phase flow in porous materials is a process of significant scientific and applied interest encountered in numerous technological applications related to energy and the environment (e.g. subsurface water flows, petroleum recovery, soil remediation and geologic carbon ... 詳細を見る
注蒸汽热力采油是稠油开发的一种有效方法，它涉及到储层地质、采油工程、传热学、经济分析等多门学科，是一项复杂、技术难度大的系统工程。研究蒸汽吞吐的热力学过程，包括井筒内饱和水蒸汽温度/压力传输、储层内多相流传质传热等，对于优选热采井生产方式和工作制度、提高采收率具有重要意义。本研究针对注蒸汽热采过程，将井筒与储层作为一个统一的系统，考虑井口注汽参数与储层吸汽能力之间的协调关系以及储层温度场、流体场、固体场之间的耦合关系，基于连续介质力学、流体力学、渗流力学、热弹性力学及传热学等相关理论，建立了反映变温、变形影响的井筒-储层耦合数学模型。基于COMSOL ... 詳細を見る
A correct design and control of the irrigation cycles is very important for the correct and efficient grow of the crops. It is well known that a correct design of the irrigation cycles increases its efficiency and reduces the amount of water required. An important objective in the ... 詳細を見る
Accurate estimation of rock permeability and porosity play a crucial role in the evaluation of oil and gas reservoirs. This evaluation is, however, challenging in tight formations such as shale due to the slow transition of fluid in such formations with extremely-low permeability. To ... 詳細を見る
The bentonite barrier is an essential part of safe nuclear waste repository in granite bedrock. In this work COMSOL Multiphysics® is applied to modeling Thermo-Hydro-Mechanical-Chemical (THMC) processes taking place in a bentonite buffer. The system is studied in different geometries, ... 詳細を見る
Deformation prediction is an important part of the structure stability analysis. However, the deformation of bank protection structure which is affected by many factors, such as structural stiffness, earth pressure and hydrostatic pressure. It contains a complex mechanical process, which ... 詳細を見る
Permafrost is defined as soil which remains frozen for at least two consecutive years. In the Swiss Alps, it is a widespread phenomenon with a great impact on the landscape particularly regarding natural hazards. The occurrence of permafrost is not only influenced by meteorological ... 詳細を見る
An estimation method, known as Thermal Response Test, of the soil thermal properties necessary to the design of a borehole geothermal energy storage system is discussed in relation to its application to the ground having non–homogeneous composition. The governing equations of the ... 詳細を見る