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

Multiphysicsx

Copper Corrosion Mechanisms by Simulation and Experiment Using Small Test Structures

Hasan Sadat Nabi1, M. Mayr2
1Infineon, Regensburg
2TU Wien

Product lifetime prediction is a crucial task in microelectronics design and fabrication. Understanding of the underlying processes causing material degradation and product failure is essential for establishing accurate lifetime models. This work aims to investigate and model the ... 詳細を見る

Degassing of PP Pellets in a Silo: Keeping C9 Concentrations Below the Lower Explosion Limit

R. Wesselink1
1Demcon Multiphysics, Enschede, The Netherlands

When polypropylene (PP) is produced it contains impurities in the form of dissolved gasses. These gasses can be removed by heating the material (in the form of pellets in a silo) and flushing with plenty of fresh air. However, one of the gasses is C9, which is flammable. We built a model ... 詳細を見る

Efficient Geothermal Cooling in Harsh Environments: A Combined Experimental and Modelling Approach

Mohammed Al-Azba1, Ahmed Abotaleb2
1Qatar Environment and Energy Research Institute, HBKU, Qatar Foundation, Doha, Qatar
2ICube Laboratory, Université de Strasbourg-CNRS, 67000 Strasbourg, France

In this work we present a novel approach to enhance energy efficiency in cooling intake air for air conditioning (AC) systems in harsh environments using geothermal energy. We developed a 3D finite element model to simulate the heat transfer between underground soils/gravels and cooling ... 詳細を見る

Elastohydrodynamics of Roll-to-Plate Nanoimprinting on Non-Flat Substrates

Jelle Snieder1, Ron A.J. van Ostayen1
1Delft University of Technology, Delft, The Netherlands

Roll-to-plate nanoimprinting is a manufacturing method to replicate micro- and nanotextures on large-area substrates with UV-curable resins. Figure 1 shows a schematic of the roll-to-plate imprint process, which is considered in this study [1]. It uses several rollers, for imprinting and ... 詳細を見る

Electrochemomechanical Simulations of 3D-Resolved Solid-State Lithium-Ion Battery Cells

Giulia Blanco1, Matteo Alberghini1, Andrea Bertinetti1, Alessio Tommasi1
1Gemmate Technologies, Turin, Italy

Solid-state batteries have emerged as a viable alternative to traditional liquid-based lithium-ion batteries, offering improved cost efficiency, safety, and environmental impact. Chlorine-rich lithium argyrodite (Li6PS5Cl) has emerged as a promising solid-state electrolyte, presenting ... 詳細を見る

Exploring a Cost-Effective Approach for Digital Radio Broadcasting Service Coverage Inside Tunnels

A. De Vita1, B. Sacco1
1Centre for Research, Technology Innovation and Experimentation, RAI Radiotelevisione Italiana, Torino, Italy

In the recent years, Rai Research Centre (CRITS) has been involved in investigating solutions to guarantee a satisfactory coverage of Digital Audio Broadcasting (DAB) service, in the 200 MHz frequency band, for challenging scenarios like tunnels. Preliminary field tests receiving the RF ... 詳細を見る

Finite Element Analysis of Friction Stir Welding of Al Alloy and Inconel 718

Ahmed Abotaleb1, Yves Remond1, Said Ahzi1
1University of Strasbourg, ICUBE laboratory – CNRS, 2 Rue Boussingault, 67000 Strasbourg

Friction Stir Welding (FSW) is a solid-state joining technique that has become increasingly popular and efficient for welding both similar and dissimilar metallic materials. Despite its success in joining dissimilar materials, further development is necessary to meet industry ... 詳細を見る

Fully-Coupled Transient Modeling of a Highly Miniaturized Electrostatic Pull-In Driven Micropump

Wolfgang Hölzl1, Martin Seidl1, Gabriele Schrag1
1Technical University of Munich, Munich, Germany

We present a problem-adapted finite element model, which enables the design of a novel type of a highly miniaturized, electrostatic MEMS membrane pump, as well as the investigation and the optimization of its operation. The electro-mechanical actuation scheme constitutes a strongly ... 詳細を見る

HETT22 – A COMSOL® App to Accurately Simulate, Plan and Monitor Concrete Castings

Daniel Ericsson1, Mikael Westerholm2, Tom Fredvik3, Mats Emborg4, Jonas Carlswärd4
1Deflexional AB, Sweden
2Heidelberg Materials Cement Sverige AB, Sverige
3Heidelberg Materials Sement Norge AS, Norway
4Heidelberg Materials Betong Sverige AB, Sweden

HETT22 is a software developed through joint efforts by Deflexional and Heidelberg Materials. It enables construction companies to accurately simulate, plan and monitor heat and strength development in concrete after castings. Leveraging the power of the COMSOL Multiphysics® software, ... 詳細を見る

IAV’s Multi-Purpose 3D Coupling Solution for Electro-Physicochemical Battery Models via COMSOL API

Dr. Jakob Hilgert1, Jochen Schäffner1, Dr. Maria Kalugirou1
1IAV GmbH

The development of batteries for automotive application is progressing rapidly. It goes hand in hand with a rising demand for scarce raw materials. Diversification of cell chemistries is a promising approach to respond to market fluctuations and at the same time minimize system costs. A ... 詳細を見る