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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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RF and Microwave Engineeringx

Simulation of a Microwave Applicator for the Treatment of Petroleum Emulsions

A. V. Vazquez [1, 2], P. M. G. Vite [3],
[1] Universidad Politécnica de Altamira, Altamira, Tamaulipas, México
[2] Universidad Tecnológica de Altamira, Altamira, Tamaulipas, México
[3] TEC/NM, Instituto Tecnológico de Ciudad Madero, Ciudad Madero, Tamaulipas, México

In Mexico there is a decline in the production of oil deposits due to the lack of effective treatment of oil emulsions, which generate a problem in the reinjection of emulsified water, transport of oil with high water content and corrosion in the oil refineries. Through the simulation ... Read More

Design of Radio-Frequency Ablation Catheter

R. Kapuganti,
HCL Technologies, Chennai, India

Radiofrequency (RF) ablation is a treatment modality that kills unwanted tissue by heat. RF ablation is now the treatment of choice for certain types of cardiac arrhythmia. During RF ablation, an electrode is inserted into, or steered intravascularly to the target tissue region under ... Read More

Theoretical Study of Phase and Amplitude Characteristics of Microwave Coplanar Delay Line Containing Thin Ferroelectric Layer

V. Nikolaevtsev[1], S. Yankin[2], S. Suchkov[1], D. Suchkov[1], A. Litvinenko[1]
[1]Saratov State University, Saratov, Russian Federation
[2]Joint International Laboratory LICS/LEMAC, IEMN UMR CNRS 8520, EC Lille, France

We theoretically studied the microwave coplanar line of different geometry based on MgO substrate with a thin (30 nm) ferroelectric layer under the external electric field using the environment of 3D modeling in COMSOL Multiphysics®, RF Module, Frequency Domain. Frequency dependence of ... Read More

Wireless RF Digital System for Mouth-Embedded Multi-Sensor Communication

I.M. Abdel-Motaleb[1], J. Lavrencik [1]
[1]Department of Electrical Engineering, Northern Illinois University, DeKalb, IL, USA

There is urgent need to monitor dental and oral diseases, such as tooth decay, gum diseases, and teeth grinding. Such monitoring can be achieved by embedding sensors in the mouth. This technique faces some difficulties. The first is how the power needed for the operation of the sensors ... Read More

Wireless Interaction of Neighboring Two Arm Archimedes Spiral Coils in the RF Electromagnet Range

A. Kalinowski[1]
[1]Naval Undersea Warfare Center/ Division Newport, Newport, RI, USA

The paper addresses a class of problems for modeling and consequently simulating the electromagnetic field radiation pattern from two arms Archimedes spiral coils. The frequency spatial wavelengths relative to the coil dimensions are in a range where the electromagnetic Maxwell’s ... Read More

Modeling of Drying of Cellular Ceramic Structures: Coupled Electromagnetic and Multiphase Porous Media Model

A. Dhall[1], G. Peng[2], G. Squier[2], M. Geremew[3], L. Bogaczyk[2], J. George[3], W.A. Wood[3], and A.K. Datta[1]
[1]Biological and Environmental Engineering, Cornell University, Ithaca, New York, USA
[2]Manufacturing Technology & Engineering, Corning Inc., Sullivan Park, Corning, New York, USA
[3]Corporate Research, Corning Inc., Sullivan Park, Corning, New York, USA

Cellular ceramic substrates are extensively used for pollution control systems in vehicles. The manufacturing process of them can involve microwave drying. In this study, we describe the development of a modeling framework for the microwave drying process of these substrates. The ... Read More

Analysis and Optimization of Dual Arm, Center Excited, Surface Micro-machined Archimedean Spiral Antenna with Improved Wideband Characterestics

G. Miranda[1], N. S. Pamidighantam[1], R. V. Iyer[2], S. Shukla[3], P. Suresh[3], and P. M. Soundarajan[3]
[1]Department of Telecommunications, PESIT, Bangalore,Karnataka,India
[2]Department of Science and Humanities, PESIT, Bangalore,Karnataka,India
[3]DARE,Bangalore,Karnataka,India

An Archimedean Spiral antenna is the common frequency independent antenna which have very large bandwidth. Archimedean Spiral antenna are circularly polarized and typically have radiation patterns with peaks perpendicular to the plane of the spiral. Micro-machining techniques improves ... Read More

Wireless Power and Communications for Implantable Biosensors

C. Romero[1], M. Mujeeb-U-Rahman[1]
[1]California Institute of Technology, Pasadena, CA, USA

Implantable biosensors have the potential to revolutionize the healthcare industry by allowing patients and their health care providers to continuously monitor blood pH levels, pCO2, proteins, metabolites, and a wide variety of other biomolecules. These devices need to operate completely ... Read More

Keynote Talk: COMSOL® Used as Core Technology for Development of RF/Microwave and High-Speed Digital Connectors

[1] E. Gebhard
Signal Microwave, Scottsdale, AZ, USA [1]

Signal Microwave designs and builds coaxial connectors for microwave and high-speed digital applications. This includes wireless systems, radar, 5G, optical systems, test equipment, back planes, etc. The COMSOL® software is one of our core technologies and is used to design virtually ... Read More

Prospects of Multiphysics Simulations to Steer the Development of High Brightness LED Technologies

T. Lopez [1], O. Shchekin [1],
[1] Lumileds, Eindhoven, Netherlands

The versatility of COMSOL Multiphysics® software has positioned it at competitive levels against other considered industrial-standard engineering software tools. This contribution is directed towards emphasizing the need of further developing the basic concepts of this versatile tool in ... Read More

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