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Papers und Präsentationen der COMSOL Conference 2018

Auf der COMSOL-Konferenz 2018 präsentierten Wissenschaftler und Ingenieure aus aller Welt ihre multiphysikalischen Simulationsprojekte. Erfahren Sie, wie Forscher in Ihrer Branche derzeit numerische Modellierung einsetzen, um Designs zu optimieren, Prozesse zu rationalisieren und Produkte zu verbessern, indem Sie in den folgenden technischen Publikationen und Präsentationen stöbern. Verwenden Sie die Schnellsuche, um eine bestimmte Präsentation zu finden oder filtern Sie einen bestimmten Anwendungsbereich oder Konferenzort heraus.

2018 - Allx

Modeling Confinement in Quantum Dot Solar Cells

J. Liu [1], M. Zubaer Hossain [1],
[1] Department of Mechanical Engineering, University of Delaware, Newark, DE, USA

The efficiency of the first and second generations of solar cell has hardly seen dramatically increase over the years, in which most PV cells cannot use about 55% of the energy of sunlight because a single material can not capture the entire spectrum of sunlight. To achieve the objective ... Mehr lesen

Finite Element Simulation of Impulse Arc Discharge

A. Chusov [1], E. Rodikova [1], M. Pinchuk [2], Y. Murashov [3], Vladimir Frolov [3], Dmitriy Ivanov [3],
[1] Streamer Electric Inc., St.Petersburg, Russia
[2] Institute for Electrophysics and Electrical Power, St.Petersburg , Russia
[3] St.Petersburg Polytechnical University, Russia

Damages caused by lightning overvoltages remains to be an important issue for electrical industry, putting limitations for efficiency of transmission and distribution of electrical energy. Modern solutions for lightning protection such as multichamber arresters (MCA) for overhead ... Mehr lesen

Free Surface Deformation of the Weld Pool in Orbital Narrow Gap GTA Welding

S. Morville [1], V. Bruyère [2], P. Namy [2],
[1] Technical Center FRAMATOME, Le Creusot, France
[2] SIMTEC, Grenoble, France

Arc current welding is a widespread process in heavy industry for the assembly of metallic components. In order to ensure the good quality of assemblies welds, it is appropriate to master the welding process but also to have a deep understanding of interactions with the weld pool and ... Mehr lesen

Transient Simulation of the Removal Process in Plasma Electrolytic Polishing of Stainless Steel

I. Danilov [1], M. Hackert-Oschätzchen [1], I. Schaarschmidt [1], M. Zinecker [1], A. Schubert [1],
[1] Professorship Micromanufacturing Technology, Chemnitz University of Technology, Chemnitz, Germany

Plasma electrolytic polishing (PeP) is an electrochemical method for surface treatment. In detail PeP is a special case of anodic dissolution [1] that unlike electrochemical polishing requires higher voltage and uses environment friendly aqueous solutions of salts. When the process ... Mehr lesen

Finite Element Prediction of Laser-Material Interaction Using COMSOL Multiphysics®

E.C. Chevallier [1], V. Bruyère [1], P. Namy [1],
[1] SIMTEC, Grenoble, France

Surface engineering is a key technology used in a wide range of sectors in industry. Among other techniques, it involves adding functionality to a surface. This can be performed by creating a specific topography to a surface using laser texturing. The objective of the work presented in ... Mehr lesen

Acoustic Modeling of a “Minute Repeater”

S. Charron [1],
[1] Intermezzi ingénierie acoustique, Paris, France

The project was ordered by a Swiss watchmaker. The aim was to modelize and optimize the acoustic of a minute repeater on one of the high range item made by the watchmaker. Therefore we based our work on a simplified geometry made by Creo. The mesh model includes the gongs, the bottom ... Mehr lesen

Advanced Loudspeaker Calculator – an Example of COMSOL® Apps Utilization

F. Malbos [1], M.K. Bogdanski [2], M. Strauss [2],
[1] Harman France, VPDT, Paris, France
[2] Harman International, VPDT, Straubing,Germany

Developing a new loudspeaker design requires not only knowledge and experience in the field, but also an access to verified and efficient tools. HARMAN’s Virtual Product Development (VPD) team has developed a Comsol Application to serve at the early stages of the design process. The app, ... Mehr lesen

Two-Phase Flow Modeling of Metal Vaporisation under Static Laser Shot Using a Double ALE Method

Y. A. Mayi [1], M. Dal [1], P. Peyre [1], M. Bellet [2], C. Metton [3], C. Moriconi [3], R. Fabbro [1],
[1] PIMM Laboratory, UMR 8006 Arts et Métiers-CNRS-CNAM, Paris, France
[2] CEMEF Laboratory, UMR 7635 PSL Research University MINES ParisTech, Sophia Antipolis, France
[3] Safran, Paris Cedex, France

Additive manufacturing gathers technologies where near net shape components are produced by depositing successive layers of materials. Among these technologies, the Layer Beam Melting (LBM) process – often referred to as Selective Laser Melting (SLM) – is garnering industrial interest, ... Mehr lesen

Adaptive Mesh Refinement: Quantitative Computation of a Rising Bubble Using COMSOL Multiphysics®

T. Preney [1], P. Namy [1], J. Wheeler [1]
[1] SIMTEC, Grenoble, France

The mesh is a key component in numerical simulations as it represents the spatial discretization of the model geometry. To accurately measure the variation of the unknowns, a relevant mesh should have a high density of degrees of freedom in regions where the norm of the gradient of the ... Mehr lesen

Geologic Carbon Storage: Implications of Two-Phase Flow on Injection-Induced Stress on Faults

S. Prasun [1], S. Kim [2], S. A. Hosseini [3],
[1] Louisiana State University, Baton Rouge, LA, USA
[2] Department of Civil Engineering University of Nebraska - Lincoln, Omaha, NE, USA
[3] Bureau of Economic Geology, University of Texas - Austin, Austin, TX, USA

Geologic carbon storage that involves injecting carbon dioxide (CO2) into a subsurface sequestration site provides the vital approach for reducing CO2 emissions into atmosphere and thus addressing climate change issue. One challenge associated with CO2 geologic storage is that pore ... Mehr lesen

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