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 コンファレンス 2020 論文集を見る
Simulation of Spiral-Tube Heat Exchangers in COMSOL Multiphysics® Software
A frequently occurring geometry for heat exchangers is that of a long tube wound into a helix or spiral around a core volume. There is to be heat exchange between the tube and the gases (or solids) in the core. However, the length scales of these two parts of the geometry are very ... 詳細を見る
Combining Multiphysics Modeling and Solution Thermodynamics Using M4Dlib, an External Library
An external library, M4Dlib [1], has been developed to solve multiphysics problems coupled to solution thermodynamics. This approach extends the local equilibrium concept[2] to multiphysics modeling by incorporating a full Gibbs energy minimization routine at each numerical node to ... 詳細を見る
Development of a Thermo-Hydro-Geochemical Model for Low-Temperature Geoexchange Applications
Standing column wells (SCW) are open-loop geoexchange systems used to provide space heating and cooling to buildings. As they use groundwater as heat carrier fluid and modify its thermo-chemical conditions along the year, they may favor calcite dissolution and precipitation, thus ... 詳細を見る
Scraping Non-Newtonian Power-Law Paint
A similarity solution to Taylor's paint scraper problem for the flow of a non-Newtonian power-law fluid is presented. A shooting method numerical solution agrees with the results found for Newtonian fluids and is able to capture both shear-thinning and shear-thickening fluids. ... 詳細を見る
Simulation of Vector Mode Grating Coupler Interfaces for Integrated Optics
The use of grating couplers to couple conventionally phased and polarized light near vertically in and out of optical slab or film waveguides [1] represents an attractive method to interface optical fiber to photonic ICs. Previously developed grating coupler designs use transversely ... 詳細を見る
PDT Study Using a Model Incorporating Initial Oxygen Concentration and Blood Flow Increase
Introduction: Type II photodynamic therapy (PDT) is an experimental modality for cancer treatment based on the combined action of a photosensitizing drug (photosensitizer), a special wavelength of light and singlet oxygen (1O2) generation; the cell killing is caused by the reaction of ... 詳細を見る
Plasma Scaling Leads the Transition from 2D to True 3D Models
Introduction: In inductively coupled plasma (ICP) systems the inductive antenna is coupled to the excited plasma inside the low pressure gas reactor. A multi-ICP system can be used for increased area processing and provide additional variables for controlling the plasma. However, ... 詳細を見る
Development of a Thermal Model Using COMSOL Multiphysics® Software
The Purpose of this paper is to develop a thermal model using COMSOL Multiphysics® software that aims to get an idea of the heat flow around the ASIC, as well as to address the thermal issues for integrated circuits at the tongue board. However, we need sources of heat simulations to map ... 詳細を見る
Thermal Stresses in Functionally Graded Metal-Ceramic Plates
Functionally graded composite materials are attracting interest among design engineers since structural component properties can be designed and customized into finished parts through processing. The controlled variable is the concentration of reinforcing particles at various points ... 詳細を見る
Transport Phenomena in the Conversion of an Anaerobic Landfill into an Aerobic Landfill
The world’s landfills are beginning to fill up due to the growing human population. Landfills require land and there will come a time when there will be no land to be used for landfills. A solution that is gaining attraction is the conversion of traditional “dry-tomb” landfills (used for ... 詳細を見る