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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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3-Dimensional Numerical Modeling of Radio Frequency Selective Heating of Insects In Soybeans

S. Wang [1], Z. Huang [1],
[1] Northwest A&F University, Yangling, Shaanxi, China

Radio frequency (RF) heating have potential as alternatives to chemical fumigation for disinfesting legumes. This study was conducted to investigate the feasibility of RF selective heating of insect larvae in 3 kg soybeans packed in a rectangular plastic container using a 6 kW, 27.12 MHz ... 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

Elucidating the Mechanisms of Charge and Temperature Modulated Ionic Transport in Nanochannels

G. Zhang [1], Y. Zhao [1],
[1] Department of Biomedical Engineering, University of Kentucky, Lexington, KY, USA

The transport of fluid through nanochannels is of importance in a variety of technological applications, including biological sensing, energy storage and conversion, chemical separation and many others. Synthetic nanofluidic architectures that mimic the gating functions of biological ion ... Read More

Modelling of a Dual-Probe Heat-Pulse Soil-Moisture Sensor using COMSOL®

R. N. S.[1], R. Aouti[1], G. Ananthasuresh[1]
[1]Indian Institute of Science, Bangalore, India

Measuring soil moisture content plays an important role not only for sustaining dry farming but also for soil mapping. Our work includes developing a soil moisture sensor which is based on the principle of the Dual-Probe Heat-Pulse method to measure soil moisture content. To validate ... Read More

Simulation of IR-Heating and IR-Scanning for the Prediction of Internal Structures of Walls

M. Penzel[1], F. Müller[1], M. Zinecker[1], A. Schubert[1], O. Wuttke[2], M. Gläser[3]
[1]Technische Universität Chemnitz, Germany
[2]Wuttke Ingenieure GmbH, Germany
[3]IFU GmbH Privates Institut für Umweltanalysen, Germany

3D-scanning of rooms and entire buildings is state of the art and commonly used to obtain and save the digital building structure. This information simplifies appropriate planning for modifications, to equip rooms, for interior design, etc. With a new approach of IR-heating and IR ... Read More

Melting and solidification behavior of PCM embedded in metal foam

Mohamed Moussa EL IDI¹, Mustapha KARKRI¹
¹Université Paris Est, CERTES.

In this paper, a numerical study is conducted on the melting and solidification process of metal foam/paraffin wax with cyclic heating and cooling. A mathematical model based on the Brinkman-Frochheimer extended Darcy equation and the local thermal non-equilibrium model (LTNE) is ... Read More

Simulation of Dynamic Thermal Fields Assisting DMLS Additive Manufacturing of Biocompatible Ti-Alloy

E. Lacatus [1], G. C. Alecu [2], M. Sopronyi [3],
[1] Polytechnic University of Bucharest, Bucharest, Romania
[2] Groupe Renault, Bucharest, Romania
[3] National Institute for Laser, Plasma and Radiation Physics (INFLPR), Magurele, Romania

For the complex 3D biocompatible metallic parts, with high level of customization, used in medical prosthesis and implants Direct Metal Laser Sintering (DMLS) and Selective Laser Melting (SLM) are the most common Additive Manufacturing technologies used nowadays. However, both ... Read More

A Heat Transfer Model for Ugitech’s Continuous Casting Machine

C. Deville-Cavellin
Dr.
Liquid Metal Metallurgy and Solidification department
Ugitech’s Research Center, Ugine, France

Dr. Christian Deville-Cavellin is a Research Engineer at Ugitech's Research Center, since 1995. Ugitech, member of the Schmoltz & Bickenbach group, is a stainless steel, long products producer. C. Deville-Cavellin is responsible for all research topics related to liquid metal ... Read More

A Plasma Torch Model

B. Chiné [1],
[1] Costa Rica Institute of Technology, School of Materials Science and Engineering, Cartago, Costa Rica

Plasma torches are used in processing of materials and in energy industry for producing plasma. In this work we use the Equilibrium DC Discharge physics interface of COMSOL Multiphysics® to model a DC non- transferred arc plasma torch, under hypothesis of local thermodynamic equilibrium. ... Read More

Transient Process Simulation of Heat Transfer in Laser Beam Welding with an Equivalent Heat Source

A. Artinov [1], M. Bachmann [1], M. Rethmeier [1],
[1] BAM Federal Institute for Material Research and Testing, Berlin, Germany

The Finite Element Method (FEM) has become an established numerical tool used for different academic and industrial purposes. It allows the prediction of weld pool geometry, thermal cycle, final distortion and residual stress field during and after fusion welding. The capability of the ... Read More

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