Articles techniques et présentations

Recherche rapide

Ressources

Livres Blancs

Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2024

Terme recherché:

Investigation of the Flow Characteristics of an Aerosol Mixing Facility

S. Horender [1], K. Auderset [1], K. Vasilatou [1],
[1] METAS, Bern, Switzerland

The measurement and regulation of particulate matter to improve outside air quality advanced a lot over the last decades. This also made it necessary to develop primary standards for calibrating these measurement systems and in future the composition of relevant aerosols will be taken ... En savoir plus

激光闪射法测量碳化硅复合包壳的数值模拟

Wenjie Li [1], L. Vladhovic [2], Tsvetoslav Pavlov [2],
[1] Science and Technology on Reactor System Design Technology Laboratory, P.O. Box 502, 610213 Chengdu, China
[2] European Commission, Joint Research Centre Karlsruhe, P.O. Box 2340, 76125 Karlsruhe, Germany

本文介绍利用COMSOL传热模块对激光闪射法（Laser Flash Method）测量具有环形结构的碳化硅复合包壳的瞬态传热过程，进而获得对标准激光闪射法估算热扩散率/热导率的几何修正系数和温度修正系数。碳化硅复合包壳由多层的单质SiC陶瓷基体、SiC纤维编织层组成。碳化硅复合包壳在高温蒸汽中抗氧化性远远优于锆合金，因此被视为未来核电站燃料棒包壳的理想解决方案。为了开展碳化硅复合包壳的性能分析，需要使用激光闪射法获得其在500K~1800K温度范围的热扩散率。问题在于，激光闪射法标准(ASTM E1461-13)规定的样品形状为薄圆片 ... En savoir plus

Modeling of snRNP Motion in the Nucleoplasm

M. Blaziková[1], J. Malínský[2], D. Stanek[3], and P. Herman[1]
[1]Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
[2]Institute of Experimental Medicine, Prague, Czech Republic
[3]Institute of Molecular Genetics, Prague, Czech Republic

Small nuclear ribonucleoprotein particles (snRNPs) are essential supramolecular complexes involved in pre-mRNA splicing, the process of post-transcriptional RNA modifications. The particles undergo complex assembly steps inside the cell nucleus in a highly dynamic compartment called the ... En savoir plus

Simulation of a Scaled-up Deformable Mirror System Driven by MEMS-Based Lorentz Actuator Arrays

B. Park¹, A. J. Bergren¹, M. Belov¹, G .Burley², C. Shafai³
¹Nanotechnology Research Centre, Edmonton, Canada
²NRC-Herzberg Astronomy & Astrophysics, Victoria, BC, Canada
³Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, Canada

This paper presents the design and simulation results of a MEMS-actuated deformable mirror (DM) consisting of a 20 × 20 Lorentz-force actuator array bonded to a flexible mirror. The DM is the critical component of an Adaptive Optics (AO) system targeted for ground-based telescope ... En savoir plus

Optimization of Micro-Structured Waveguides in Lithium Niobate (Z-Cut)

H. Karakuzu[1], M. Dubov[1], S. Boscolo[1]
[1] Aston University, Birmingham, UK

We present an optimization procedure to improve the propagation properties of the depressed-cladding, buried micro-structured waveguides formed in a z-cut lithium niobate (LN) crystal by high repetition rate femtosecond (fs) laser writing. It is shown that the propagation wavelength ... En savoir plus

Thermal Battery Cell Modeling in a Spirally-Wound Geometry

G.Liebig[1], L. Komsiyska[1], P. Bise[1], H. Seeba[1], P. Bohn[2], S. Vasic [1]
[1]NEXT ENERGY, Oldenburg, Niedersachsen, Germany
[2]AUDI AG, Ingolstadt, Bayern, Germany

The characterization of Li-ion batteries is a relevant topic due to the recent developments in Electric Vehicles (EV’s) and Hybrid Electric Vehicles (HEV’s) applications. In order to manage these devices, accurate models are required. At NEXT ENERGY a two dimensional cell-level thermal ... En savoir plus

Key Lessons from Multi-Scale Modeling of Body, Tissue, Cell, and Sub-Cellular Structures

K. Carlson¹, J. Arle¹, T. Dreeben², N. Paudel³, S. Dokos⁴, J. A. Tuszynski⁵, E. Federov⁶, Z. Bomzon⁶
¹Harvard Medical School/Beth Israel Deaconess Medical Center, Boston, MA, USA
²Osram Opto Semiconductors, Exeter, NH, USA
³IEEE, Greenville, NC, USA
⁴University of New South Wales, Sydney, NSW, Australia
⁵University of Alberta, Edmonton, AB, Canada
⁶Novocure Ltd., Haifa, Israel

Modeling the effects of electromagnetic fields on biological structures on the order of the body and tissues to the micro (1e-6)-and nano (1e-9) level of cells and sub-cellular structures presents formidable challenges. We share the major lessons we have learned using COMSOL ... En savoir plus

Large Scale 3D Flow Distribution Analysis in HTPEM Fuel Cells

C. Siegel[1][2], G. Bandlamudi[1][2], N. van der Schoot[1], and A. Heinzel[1][2]
[1]Zentrum für BrennstoffzellenTechnik GmbH, Duisburg, Germany
[2]Institut für Energie- und Umweltverfahrenstechnik, University of Duisburg-Essen, Duisburg, Germany

Accurate bipolar-plate and flow-field layout is one crucial task for optimizing fuel cells. These cell components perform several functions, including charge transport or gas and water transport throughout the cell just to name a few. Overall, the design depends on the fuel cell ... En savoir plus

Easy Teaching of Numerical Simulation of Welding with COMSOL®

I. Tomashchuk [1], P. Sallamand [1], J.-P. Chateau-Cornu [1],
[1] Laboratoire Interdisciplinaire Carnot de Bourgogne, Université de Bourgogne-Franche-Comté, Le Creusot, France

The initiation in numerical modeling of welding with COMSOL Multiphysics® is proposed to the 2nd year students of the professional master program «Processes, Controls, Metallic Materials: Nuclear Industry» (PC2M) of University of Burgundy, France since 2016 within the module «Simulation ... En savoir plus

Heterodimensional Charge-Carrier Confinement in Sub-Monolayer InAs in GaAs

S. Harrison[1], M. Young[1], M. Hayne[1], P. D. Hodgson[1], R. J. Young[1], A. Strittmatter[2], A. Lenz[2], U. W. Pohl[2], D. Bimberg[2]
[1]Department of Physics, Lancaster University, Lancaster, UK
[2]Institut für Festkörperphysik, Berlin, Germany

Low-dimensional semiconductor nanostructures, in which charge carriers are confined in a number of spatial dimensions, are the focus of much solid-state physics research, offering superior optical and electronic properties over their bulk counterparts. Both two-dimensional (2D) and zero ... En savoir plus

Premier

221–230 of 507

Dernier