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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

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Boston 2024

Munich 2023

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Structural Mechanics and Thermal Stresses

Simulation of a Modular Die Stamp for Micro Impact Extrusion

A. Schubert[1][2], R. Pohl[1], and M. Hackert[1]
[1]Chair Micromanufacturing Technology, Faculty of Mechanical Engineering, Chemnitz University of Technology, Chemnitz, Germany
[2]Fraunhofer Institute for Machine Tools and Forming Technology, Chemnitz, Germany

Micro impact extrusion is investigated at Chemnitz University of Technology as a potential procedure for large area machining of micro cavities within the scope of the SFB/Transregio 39 PT-PIESA of the German Research Foundation. Applying impact extrusion micro forming is done by ... En savoir plus

Punch Design for Uniaxial Forging Process of γ-TiAl Using COMSOL Multiphysics^®

R. Cagliero[1] and G. Maizza[1]
[1]Dipartimento di Scienza dei Materiali ed Ingegneria Chimica, Politecnico di Torino, Torino, Italy

The increasing demand for improved metallurgical products strongly motivates the optimization of manufacturing processes and design of γ-TiAl products. Among the large variety of available forming processes, cold closed-die forging is particularly suitable for producing net shape ... En savoir plus

Stress Field Simulation for Quantitative Ultrasound Elasticity Imaging

L. Yuan[1] and P.C. Pedersen[1]
[1]Department of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts, USA

Finite element models using COMSOL Multiphysics and MATLAB were developed to solve the problem of stress distribution interior homogeneous, isotropic, incompressible elastic solid material under known vertical external compression with a rectangular contact surface. Moreover, comparison ... En savoir plus

Determination of Process Parameters for Electron Beam Sintering (EBS)

M. F. Zäh, S. Lutzmann, M. Kahnert, and F. Walchshäusl
iwb Anwenderzentrum Augsburg, TU München, Augsburg, Germany

Additive Layer Manufacturing (ALM) methods, like Electron Beam Sintering (EBS), constitute an interesting process concerning the production of small series and customized products. However, transient effects occur during processing due to the different physical principles of an electron ... En savoir plus

Implementation of the Finite Isotropic Linear Cosserat Models based on the Weak Form

J. Jeong[1], and H. Ramezani[2]
[1]Ecole Speciale des Travaux Publics du Batiment et del’Industrie(ESTP), Cachan, France
[2]Ecole Polytechnique de l’Universite d’Orleans CNRS/CRMD, Orleans, France

The Cosserat models fall into the group of the extended continuum media. They are capable of treating the size effects (characteristic length) in a natural manner using six material moduli for the isotropic elastic cases instead of two (and) for the classical continuum mechanics. This ... En savoir plus

Modelling of Lintel-Masonry Interaction Using COMSOL

A. Vermeltfoort, and A. van Schijndel
Eindhoven University of Technology, Netherlands

An attempt was made, as described in this paper, to assign material properties like shear strength and modulus of elasticity randomly. In this way, the behaviour of a masonry wall with a prefabricated concrete lintel was experimentally tested and simulated using COMSOL. The paper ... En savoir plus

An Analysis of Plunger Temperature during Glass Parison Pressing

P. Ngankeu[1], and E. Gutierrez-Miravete[2]

[1]EMHART Glass Research Inc, Windsor, CT, USA
[2]Rensselaer at Hartford, Hartford, CT, USA

The press and blow (P&B) process is widely used to produce glass containers. While the P&B process has demonstrated to be capable of reducing container weight by as much as 33%, it can also induce the formation of micro-checks that weaken container strength. This paper presents ... En savoir plus

Dynamics of Slender Structures

K. Lund
Kurt Lund Consulting, Del Mar, CA , USA

The present work formulates the dynamics of a slender structure as a long beam. This results in a PDE that is fourth-order in space, and second order in time. In COMSOL the coupling method is used to decompose this problem into two second-order equations, one for displacements, and one ... En savoir plus

Modeling and Analysis of SMA-Based Adaptive Structures

S. Yang[1], and S. Seelecke[2]

[1]Department of Aerospace, Northwestern Polytechnical University, Raleigh, NC, USA
[2]Department of Mechanical & Aerospace Engineering, North Carolina State University, Xi’an, Shaanxi, China

The application of shape memory alloys (SMA) as actuators in smart structures is a quickly developing field. The particular focus of this paper is on the aspects of modeling and simulation of adaptive structures with integrated SMAs using the finite element method (FEM). A number of ... En savoir plus

Stress State Determination in Nanoelectronic Silicon Devices Coupling COMSOL Multiphysics and a Recursive Dynamical CBED Pattern Simulation

A. Spessot[1,2], S. Frabboni[1], A. Armigliato[3], and R. Balboni[3]
[1]Numonyx Advanced R&D NVMTD-FTM, Agrate Brianza, Italy
[2]National Research Center S3, CNR-INFM and Department of Physics, University of Modena e Reggio Emilia, Modena, Italy
[3]CNR-IMM Section of Bologna, Italy

Strained technology is being promoted as the best way to extend the performance of semiconductor transistors. An inhomogeneous layer deposited on top of a silicon device can induce a strong modification in the real silicon strain state, and consequently in its electronic performance. ... En savoir plus

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