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.


View the COMSOL Conference 2023 Collection

AC/DC Electromagneticsx

Modeling Ex Vivo Microwave Hyperthermia of Different Biological Tissues

H. Kokabi [1], G. Chen [1], N.-E. Belhadj-Tahar [1],
[1] Université Pierre et Marie Curie, Paris, France

Electromagnetic and thermal simulations are achieved using COMSOL Multiphysics® with 2D axisymmetrical finite–element method for a percutaneous microwave hyperthermia system with ex–vivo experiments on different biological tissues. Temperature variation and distribution are studied in ... Read More

Simulation of an Immunodetection System Based on Magnetic Nanoparticles

A. Rabehi [1], H. Kokabi [1], L. Chen [2], K. A. Ngo [3], H.-J. Krause [2]
[1] Sorbonne Universités, Laboratoire d’Electronique et Electromagnétisme, Paris, France
[2] Peter Grünberg Institute, Bioelectronics, Forschungszentrum Jülich, Germany
[3] Sorbonne Universités, Laboratoire Interfaces et Systemes Electrochimiques (LISE), Paris, France

In a first approach towards application of the magnetic frequency mixing technique to microfluidic structures, microplanar coils have to be designed along with sample reservoir. For this, a COMSOL Multiphysics® electrical model along with an analytical calculation is used in order to ... Read More

Modeling Orbital Angular Momentum (OAM) Transmission in Waveguides with the COMSOL Multiphysics® Software

A. Cagliero [1], R. Gaffoglio [1], A. De Vita [2], B. Sacco [2],
[1] Department of Physics, University of Torino, Torino, Italy
[2] Centre for Research and Technological Innovation, RAI Radiotelevisione Italiana, Torino, Italy

The recent years have witnessed a growing interest in the possibility of enhancing the information transfer per unit bandwidth by exploiting the Orbital Angular Momentum (OAM) of light in both free-space and guided scenarios. In the proposed paper, the propagation of suitable OAM ... Read More

Optoelectronic Transducer with an Optical Fiber Transmission Used for Current Measurement

J. Golebiowski [1],
[1] Dept. of Semiconductor and Optoelectronics Devices, Lodz University of Technology, Lodz, Poland

The transducer's construction used for current measurement in medium voltage power lines for current values kA is shown. The transducer involves magnetic circuit with a gap in which a MEMS structure with a movable cantilever is placed. The beam is made of silicon with a NiFe layer. The ... Read More

3D-FEM Simulation of a Transverse Flux Machine Respecting Nonlinear and Anisotropic Materials

S. Müller [1], M. Keller [1], A. Echle [1], A. Enssle [1], P. Präg [1], A. Lusiewicz [1], D. Maier [1], N. Parspour [1],
[1] Institute of Eletrical Energy Conversion, University of Stuttgart, Stuttgart, Germany

The paper presents the three dimensional (3D) Finite Element Method (FEM) COMSOL Multiphysics® model of a Three Phase Permanent Magnetic Excited Transverse Flux Machine (TFM). The model is fully parameterized and able to sweep over all parameters during design optimization process. The ... Read More

Model of Selective Field Deformation in Deep Brain Stimulation (DBS)

L. Roohisefat [1], S. Mottaghi [2], M. Li [3], U. G. Hofmann [4], V. A. Coenen [5],
[1] Department of Stereotactic and Functional Neurosurgery, Medical Faculty, Freiburg University. Department of Neurosurgery, Section for Neuroelectronic Systems, Medical Center, Freiburg University, Freiburg, Germany
[2] Department of Neurosurgery, Section for Neuroelectronic Systems, Medical Center, Freiburg University, Freiburg, Germany
[3] Department of Stereotactic and Functional Neurosurgery, Medical Faculty, Freiburg University, Freiburg, Germany
[4] Department of Neurosurgery, Section for Neuroelectronic Systems, Medical Center, Freiburg University. Cluster of Excellence „BrainLinks-BrainTools“,DFG EXC 1086, Freiburg, Germany
[5] Department of Stereotactic and Functional Neurosurgery, Medical Faculty, Freiburg University. Cluster of Excellence „BrainLinks-BrainTools“,DFG EXC 1086, Freiburg, Germany

Deep Brain Stimulation (DBS) is known to alleviate symptoms of some movement disorders and is currently tested for its clinical value in several psychiatric disorders. Although the exact mechanism of DBS is not well understood yet, an activation of white matter structures is the most ... Read More

Analysis of an Inductive Proximity Sensor

A. Frey [1], I. Kuehne [2], R. Großmann [1], T. Frommelt [1], L. Fromme [3], T. Koch [4],
[1] Augsburg University of Applied Sciences, Augsburg, Bavaria, Germany
[2] Heilbronn University, Heilbronn, Germany
[3] Bielefeld University of Applied Sciences, Bielefeld, Germany
[4] COMSOL Multiphysics GmbH, Göttingen, Germany

Today, 90 percent of automation sensors are binary proximity detectors. Besides capacitive and optical types, inductive proximity sensors are essential for industrial applications. Compared to their mechanical counterparts, they offer almost ideal properties as contact-free and wear-free ... Read More

Impedance Analysis of a Pot Core Inductor

F. Giovanardi [1],
[1] MD Microdetectors, Modena, Italy

This work develops a methodology based on the application of finite element method in the frequency domain: the purpose is to evaluate electromagnetic parameters of a pot-core inductor. The knowledge of the electromagnetic parameter is very important for several reasons, for example it ... Read More

Prediction of the Loudspeaker Total Harmonics Distortion Using COMSOL Multiphysics® Software

F. Malbos [1], M. Bogdanski [2], M. Strauss [2],
[1] Harman, Paris, France
[2] Harman Becker Automotive Systems, Straubing, Germany

For automotive applications, simulation methods are used to get the best audio acoustic performance. Because a loudspeaker is a non linear device, the sound pressure in the vehicle includes harmonics which are mainly created by the force factor, suspension stiffness and voice coil ... Read More

Simulation of Electro-Thermal Behavior of an Overlap Solder Interconnection

A. Koushki [1],
[1] Rostock University, Rostock, Germany

Solder connections are one of the most essential parts of the PCBs. Despite many well-known scientific works that have been done about overlap solder interconnection properties, such as fracture, fatigue and reliability studies, little attention have been given to the investigation of ... Read More