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
Genetic Algorithm for Geometry Optimization of Optical Antennas
A genetic algorithm was programmed in MATLAB® software and linked to the COMSOL Multiphysics® software with the COMSOL LiveLink™ for MATLAB® to optimize the geometry of an optical antenna (nanoantenna). The proposed computational model demonstrated that nanoantenna geometries does not ... Read More
Spectroscopic Modeling of Photoelectrochemical Water Splitting
A photoelectrochemical (PEC) cell uses solar energy to split water to hydrogen and oxygen in single integrated device. Electrochemical impedance spectroscopy is a suitable tool to characterize recombination and reaction mechanisms in PEC cell. Full numerical drift-diffusion calculations ... Read More
Investigation of Ablation of a Copper Surface Caused by 220 Nanosecond Laser Pulse
This work investigates the ablation of a copper surface caused by the irradiation of a 220 ns laser pulse. Our focus is on the heat transport within the copper and takes the proceeding vaporization of surface substance into account. Our model ignores plasma dynamics and simulates the ... Read More
Raytracing of Spherical Aberration in COMSOL Multiphysics® Compared with Third Order Theory
The Ray Tracing Module in COMSOL Multiphysics® is used to setup and simulate a lens and compare the longitudinal spherical aberration (LSA) with the third order theory in optics. Some Seidel coefficients will be investigated and the geometry or solver settings will be discussed. Also a ... Read More
Optoelectronic Transducer with an Optical Fiber Transmission Used for Current Measurement
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
Enhancing Fluorescence of Diamond Color Centers near Gold Nanorods via Geometry Optimization
Detecting light emitted by fluorescent molecules with resolution down to single photon is an important problem in various fields of sciences and applications, such as solid-state physics, quantum information processing and medicine. The detection probability can be improved via ... Read More
Model of Biosensor based on Organic Electrochemical Transistors
One of the most promising categories of semiconductor-based sensors is organic electrochemical transistor (OECT), which consists of three electrodes (Source, Drain and Gate) and two active layers: electrolyte and conductive polymer. Despite the fact that OECT attracts a lot of attention ... Read More
Near-Field FEM Simulations: A Vital Tool for Studying Silver-Based Plasmonic Systems
Silver nanoparticles are valuable in the field of plasmonics since silver has a higher field enhancement factor compared to other metals that possess plasmonic properties. The plasmonic properties of silver nanoparticles can be finely tuned to the incident light wavelength through their ... Read More
Bipolar Charge Transport Model of Insulators for HVDC Applications
Charge transport behavior must be considered in developing HVDC design. In microscopic level, the space charge and conduction mechanisms are related with energy band‐gap and shallow/deep trap distribution and these come from chemical defects, physical disorder and impurities or by ... Read More
Silicon Nanopillar Array for Light Emission Enhancement in Color-converting LED
Plasmonic metallic nanostructures have been demonstrated an effective way to enhance the light emission efficiency in LEDs. Here, we propose a design of white LEDs that combining dielectric silicon nanopillar array in the color-converting layer. By investigating theoretically the guided ... Read More