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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Laser-Material Interaction Modeling using the COMSOL Multiphysics® software

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 ... En savoir plus

Non-Resonant Laser Field Effect on Electronic and Optical Properties in GaAs/AlGaAs Quantum Rings

C. Duque[1], J. Vinasco[1], A. Radu[2], R. Restrepo[3], A. Morales[1], M. Mora-Ramos[4]
[1]University of Antioquia, Colombia
[2]"Politehnica" University of Bucharest, Romania
[3]Universidad EIA, Colombia
[4]Universidad Autonoma del estado de Morelos, Mexico

The low dimensional systems show a behavior that is strongly depending on external effects such as the intense non-resonant laser field. The control of electronic and optical properties by means of a laser field lets us to adapt the matter-light interaction to several applications [1]. ... En savoir plus

Software Package for Modeling III-Nitride QW Laser Diodes and Light Emitting Devices

M. V. Kisin[1], R. G. W. Brown[1], and H. S. El-Ghoroury[1]
[1]Ostendo Technologies, Inc., Carlsbad, CA, USA

We present a modeling software package developed at Ostendo Technologies for analysis and design of semiconductor laser and light-emitting diodes. The current database of material parameters supports complete group of III-Nitride alloys used in visible spectrum applications and can be ... En savoir plus

Reconfigurable Optofluidic Barriers for 3D Particle Control via Thermally Induced Flows

E. Ruiz-Reina¹, F. Schmidt², C. D. González-Gómez³, M. Sulliger², R. A. Rica-Alarcón⁴, J. Ortega-Arroyo², R. Quidant²
¹Multiphysics Modeling School, Department of Applied Physics II, University of Málaga
²Department of Mechanical and Process Engineering, ETH Zurich
³Department of Applied Physics, University of Granada
⁴Research Unit ‘Modeling Nature’ (MNat), Department of Applied Physics, University of Granada

Microfluidic systems traditionally rely on fixed physical barriers to manipulate fluids and particles. While effective, these static structures lack the flexibility required for dynamic or multifunctional applications. In this work, recently published in Nature Photonics [1], we present ... En savoir plus

A Study on Continuous Beam Laser Welding of Dissimilar Materials using Multiphysics Simulation

S. Soundarapandian [1], R. Indhu [1], L. Vijayaraghavan [1], Sarathkumar Loganathan [1],
[1] Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

Laser dissimilar welding finds their application mainly in the field of tailor-welded blanks (TWB). Tailor-welded blanks combining steel to aluminum alloys are widely used in automotive industry for achieving excellent lightweight structures and at the same time enhancing the functional ... En savoir plus

Finite Element Modelling and Simulation Tools for Investigation of the Process and Materials 3D-Printed by Selective Laser Melting

H. Jean Willy[1], X. Li[1], J. Ding[1]
[1]National University of Singapore, Singapore, Singapore

Selective Laser Melting (SLM), like many other additive manufacturing techniques, offers flexibility in design expected to become a disruption to the manufacturing industry. The current cost of SLM process does not favor a try-and-error way of research; which gives more room for ... En savoir plus

Simulation of Laser-Excited Surface Acoustic Waves Travelling on a Steel Hemisphere Shell

J. Mäkinen [1], D. Veira Canle [1], R. Blomqvist [1], A. Salmi [1], E. Hæggström [1],
[1] Department of Physics, Division of Materials Physics, University of Helsinki, Helsinki, Finland

Non-contacting guided wave tomography based on laser ultrasonic waves can be used to inspect structures that are inaccessible to traditional ultrasound methods. Such structures could be, chemically or physically hard to reach, e.g. hot metal structures, metal implants inside tissue or ... En savoir plus

Numerical Optimization of Active Heat Sinks Considering Restrictions of Selective Laser Melting

F. Lange [1], C. Hein [1], C. Emmelmann [1],
[1] Fraunhofer Institution for Additive Production Technologies IAPT, Hamburg, Germany

Parametric and topology optimization approaches are widely used techniques for performance improvement of components in terms of various objectives. Especially topology optimization often leads to complex geometries that are difficult or impossible to produce by conventional ... En savoir plus

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

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

3D Modeling of Planar Discharge of a CO2 Laser

J. Schüttler [1],
[1] Rofin-Sinar Laser GmbH, Hamburg, Germany

High power CO2 lasers have been the workhorses for sheet metal cutting, welding and many more applications in materials processing during the past decades. Even though a significant replacement by fiber coupled lasers takes place, there are still many applications that benefit from the ... En savoir plus

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