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 2018 Collection
RF and Microwave Engineeringx

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

Numerical Approaches to Modeling of WGM Resonator and Waveguide Coupling new

N. M. Kondratiev [1],
[1] Russian Quantum Center (RQC), Skolkovo, Moscow, Russia

Whispering-gallery mode resonators (WGR) are promising elements for future photonic devices, as they combine ultra-high quality factor with small size and mode volume. Many practical applications of such microresonators, such as ultra-sensitive chemical and biological sensors [1] electro ... Read More

RF Emission Spectra in Laser-Plasma Acceleration of Protons new

M. Seimetz [1],
[1] Instituto de Instrumentación para Imagen Molecular (I3M), CSIC-Universitat Politècnica de València, Spain

The acceleration of protons and ions by highly intense, ultra-short laser pulses is a very active field of experimental and theoretical research. From laser-plasma interactions the emission of a strong electromagnetic pulse (EMP) has often been reported as a side effect. It potentially ... 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

Finite Element Modeling of Electromagnetic Scattering for Microwave Breast Cancer Detection

R. Firoozabadi[1], and E.L. Miller[2]
[1]Airvana Inc., Chelmsford, MA, USA
[2]Tufts University, Medford, MA, USA

In this paper, COMSOL Multiphysics software is utilized as a finite element forward solver to obtain the electromagnetic fields at the receiving antennas while the breast is illuminated by one antenna in the array. Geometry consists of coronal slices of the 3-D breast. Simulations are ... 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  ... Read More

PIR Sensor Modeling and Simulation Using COMSOL Multiphysics® and its Ray Optics Module new

M. Maaspuro [1],
[1] School of Electrical Engineering, Aalto University, Finland

PIR (Passive Infrared) sensor is the most widely used motion sensor for occupancy detection in building automation applications. Normally, only the binary information indicating presence or absence is used. However, an advanced analysis of the PIR sensor analog signal can results in more ... Read More

HIIPER Space Propulsion Simulation Using Plasma Module new

Z.Chen [1], E. Ziehm [1], G. H. Miley [1],
[1] University of Illinois at Urbana-Champaign, Urbana, IL, USA

The Helicon Injected Inertial Plasma Electrostatic Rocket (HIIPER) is an electric space propulsion concept to generate denser ion and electron beams using inertial electrostatic confinement (IEC) fusion theory and helicon source. Helicon source is employed to generate the plasma and the ... 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

Characterization of an Open GTEM Cell with the COMSOL Multiphysics® Software new

A. De Vita [1], R. Gaffoglio [2], B. Sacco [1],
[1] RAI - Radiotelevisione Italiana, Italy
[2] Polito, Italy

Introduction: The Gigahertz Transverse Electromagnetic (GTEM) cell is a fundamental tool for calibration purposes and for studies on Electromagnetic Compatibility (EMC), being able to emulate an incident plane wave (TEM mode) on equipment under test in the GHz frequency band. This ... Read More