Veröffentlichungen und Präsentationen

Hier finden Sie Veröffentlichungen und Präsentationen der weltweit stattfindenden COMSOL-Konferenzen. In diesen präsentieren Ihre Fachkollegen ihre neuesten mit COMSOL Multiphysics entwickelten Produkte und Ideen. Die Forschungsthemen umfassen ein weites Feld von Industrien und Anwendungsbereichen, die von Mechanik und Elektronik über Strömungen bis zur Chemie reichen. Nutzen Sie die Quick Search, um die zu Ihrem Forschungsbereich passenden Präsentationen zu finden.

Modelling of Selected Electromechanical Phenomena in the DC Machine

M. Antczak, P. Idziak, and W. Lyskawiski
Poznań University of Technology, Poland

The paper presents the results of the experiment consisting in determination of the influence of the magnetic field on deformations of the stator and the rotor of the DC motor. The numerical model of the motor for the frameless DC machine of the G series has been elaborated. Real material properties and the phenomenon of the magnetic circuit saturation have been taken into consideration. The ...

A Flexible Scheme For Numerical Homogenisation In Linear Elasticity

A. Gerisch[1], S. Tiburtius[1], Q. Grimal[2], and K. Raum[3]
[1]Technische Universität Darmstadt, Germany
[2]Université Pierre et Marie Curie Paris VI, France
[3]Charité-Universitätsmedizin Berlin, Germany

Musculoskeletal mineralised tissues (MMTs), like bone or tendon, are a prime example of naturally occuring, hierarchically structured material. They display a great variety in mechanical function but are all based on essentially the same building block: the mineralised collagen fibril (100 nanometer in diameter). This building block is arranged in various spatial structures across many length ...

Acoustic Attenuation Performance Of Helicoidal Resonator Due To Distance Change From Different Cross-Sectional Elements Of Cylindrical Duct

W. Łapka
Poznań University of Technology, Poznań, Poland

This work presents acoustic attenuation performance of helicoidal resonator due to distance change from different cross-sectional elements of cylindrical duct. The helicoidal resonator properties are described mainly in in infinite long cylindrical duct. For practical applications it is important to know the limits of use of this solution. This paper describes how the helicoidal resonator should ...

Microsoft Technical Computing

H. Steepler
Microsoft, Sweden

Henrik Steepler earned his PhD in Computer Science in 1999 at Chalmers University, Sweden. Since 2003, he has been working at Microsoft on emerging markets like Security, Virtualization, and since 2007 on their High Performance Computing (HPC) initiative. He is now managing the partner network for Microsoft in Europe, the Middle East, and Africa around HPC.

Analysis Of The Design Criteria For Ancient Greek And Roman Catapults

K.M. Paasch
Center for Product Development, Mads Clausen Institute, South Danish University, Denmark

This paper will give a short overview of use of COMSOL Multiphysics for analyzing ancient Greek and Roman catapults with the main focus on the energy storing torsion springs. Catapults have been known and used in the Greek and Roman world from around 399 BC and a fully standardized design for powerful torsion catapults emerged around 270 BC, based on one basic factor, the diameter of the torsion ...

The GEM Technology for the SBS at Jefferson Lab

F. Noto[1], V. Bellini[1], E. Cisbani[2], and C. Sutera[1]
[1]INFN Sez. di catania, Università di Catania, Italy
[2]INFN Sez. Roma, Italy

The Gas Electron Multiplier (GEM) technology has proven to tolerate rate up to 50 MHz/cm2 without noticeable aging and to provide the required resolution on working chambers up to 33x33 cm2. The SBS GEM chambers have been designed in a modular way: each chamber consists of 3 adjacent GEM modules. Each GEM module has an active area of 40x50 cm2, which 2 represent the current standard double mask ...

Finite Element Modelling For Optimizing A Hyphenated Rheometer/Calorimeter

C. Block[1], B. Van Mele[1], and V. Janssens[2], P. Van Puyvelde[2], and G. Van Assche[1]
[1]Vrije Universiteit Brussel, Physical Chemistry and Polymer Science, Brussels, Belgium
[2]Catholic University of Leuven, Lab of Applied Rheology and Polymer Technology, Heverlee, Belgium

COMSOL is used for optimization of the design of a novel analytical technique, RheoDSC, which combines a rheological and a calorimetric measurement on one sample. A rheological experiment is performed on a sample positioned on a DSC sensor in a DSC instrument. DSC is used to study transition enthalpies and heat capacity in isothermal and non-isothermal conditions. The working principle of a ...

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