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See How Multiphysics Simulation Is Used in Research and Development

Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.

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Spatial Dynamics of Insecticide Resistance in Mosquitoes

O. Richter [1],
[1] University of Technology Braunschweig, Germany

Mosquito- borne diseases are resurgent due to insecticide resistance. In this paper a model is presented combining insect dispersal and population genetics for the simulation of the emergence of pesticide resistance in dependence on management practices. Dispersal of populations and ... Read More

Transient Modeling of a Fluorine Electrolysis Cell Using COMSOL Multiphysics®

E. Oosthuizen [1], P. L. Crouse [1],
[1] University of Pretoria, Pretoria, South Africa

The design of the commercial fluorine electrolysis cells in operation in South Africa is based on technology dating essentially from the era before the proliferation of computer simulation software. The model reported here was initiated to generate a more fundamental understanding of ... Read More

ELT M4 Adaptive Mirror Actuator: Magnetic Optimization and Future Developements

C. Del Vecchio [1], R. Biasi [2], D. Gallieni [3], A. Riccardi [1],
[1] National Institute for Astrophysics - Arcetri Astrophysical Observatory - Florence, Italy
[2] Microgate Spa - Bolzano, Italy
[3] ADS International Srl -Valmadrera (LC), Italy

The quaternary mirror (M4) of the Extremely Large Telescope will be equipped with an Adaptive Optics Unit, in order to compensate the effects of the atmospheric turbulence. The highly accurate, closed loop actuation of the thin mirror is provided by 5316 contactless actuators. Their core ... Read More

Partial Discharge Risk Under Charge Generation and Transport Effects

M. E. Banda [1], D. Malec [1], J-P. Cambronne [1],
[1] LAPLACE, Université de Toulouse, CNRS, INPT, UPS, France

The good electrical, thermal, mechanical and chemical properties of solid organic dielectrics, such as PTFE, predestine them as good candidates for the electrical insulation of transport devices and systems. In the particular case of power converters involved in the future hybrid and ... Read More

Decomposition of Fundamental Lamb Wave Modes in Complex Metal Structures Using COMSOL Multiphysics®

M. Harb [1], R. Malaeb [1], E. Mahfoud [1],
[1] Department of Mechanical Engineering, American University of Beirut, Libanon

Structural Health Monitoring Systems are being highly investigated to evaluate the health of a structure and detect any damages occurring in real time. Such systems require intensive data analysis which gets even more intricate when working with complex structures due to undesirable ... Read More

Thermo-Mechanical Modeling of Laser Beam Welding of Molybdenum

K.-H. Leitz [1],
[1] Plansee SE, Reutte, Austria

Laser beam welding is a key technology in industrial manufacturing as it combines high flexibility and the potential for automation with excellent joint quality and minimal thermal influence of the workpiece. Whereas for materials like steel and aluminium laser beam welding is already ... Read More

Modeling of Substrate Plate Preheating to Predict Efficiency in the Electron Beam Melting Process

M.Michatz [1], S. Janson [2], G. Schlick [3], I. Kühne [4], A. Frey [5],
[1] University of Applied Science, Faculty of Mechanical Engineering, Augsburg, Germany; Fraunhofer Research Institution for Casting, Composite and Processing Technology IGCV, Augsburg, Germany
[2] iwb Application Center Augsburg part of the Technical University of Munich (TUM), Augsburg, Germany
[3] Fraunhofer Research Institution for Casting, Composite and Processing Technology IGCV, Augsburg, Germany
[4] Heilbronn University, Faculty of Technology and Economics, Künzelsau, Germany
[5] University of Applied Science, Faculty of Electrical Engineering, Augsburg, Germany

Additive Manufacturing is revolutionizing the industrial sector for complex and individualized metallic components. The most limiting factor of the widely established laser beam melting technology is the scan velocity due to inertia of the mirrors [1]. In electron beam melting (EBM), ... Read More

Advanced Particle-Based 3D Modeling of Fuel Cell Electrodes

A. Bertei [1], V. Yufit [2], F. Tariq [2], N.P. Brandon [2],
[1] University of Pisa, Pisa, Italy
[2] Imperial College London, London, UK

Fuel cells are electrochemical devices which produce electricity from renewable and clean resources, such as hydrogen. Their large-scale exploitation is expected to impact positively our approach to use electric energy in vehicles, buildings and other portable/stationary applications. ... Read More

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 ... Read More

Simulation of Thermal Breakdown in a Multi-Layered Stack of Dielectric Elastomers

L. R. Madsen [1], O. Hassager [1], A. L. Skov [1],
[1] Danish Polymer Centre, DTU Chemical Engineering, Lyngby, Denmark

Dielectric elastomers are a promising group of smart materials, which finds application within many fields such as soft robotics, wave-energy harvesting, and loud speakers. A dielectric elastomer consists of a thin, stretchable polymer film sandwiched between two compliant electrodes. ... Read More

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