Technical Papers and Presentations

Here you will find presentations given at COMSOL Conferences around the globe. The presentations explore the innovative research and products designed by your peers using COMSOL Multiphysics. Research topics span a wide array of industries and application areas, including the electrical, mechanical, fluid, and chemical disciplines. Use the Quick Search to find presentations pertaining to your application area.

Simulations of nanophotonic waveguides and devices using COMSOL Multiphysics

Z. Zheng
School of Electronic and Information Engineering, Beihang University, Beijing, China

Design and optimization of the nanophotonic devices are critical in realizing advanced photonic integrations in the future. COMSOL can be used for simulating various types of nanophotonic devices involving different materials and dimensions. This report talks about some recent work of Prof. Zheng’s team, including the simulation of dielectric photonic waveguides, optic fibers and surface ...

Modeling two-phase flow in strongly heterogeneous porous media

Z. Huang
China University of Petroleum, Research Center for Oil & Gas Flow in Reservoir, Qingdao City, China

Modeling Two-phase flow through strongly heterogeneous porous media is of importance in many disciplines including petroleum industry, hydrology etc. There are, however, still some challenges in numerical simulation of such flow problems especially the flows in fractured porous media and fractured vuggy porous media. The aim of this report is to implement in COMSOL Multiphysics a two-phase fluid ...

Some Applications on the Fields of Laser, PCF and PCF-Sensor by COMSOL Software

J. Yao
Tianjin University, Tianjin, China

Academician Yao is an expert in nonlinear optics and THz studies and also a consultant of Chinese government for scientific development. In this talk, he introduces various research progress based on COMSOL Multiphysics analysis of his team, including photonic crystal devices (both telecom and THz band), THz lasers, nanophotonic devices, etc.. Moreover, he points out multiphysics analysis brings ...

Strong Magnetic Field and Its Application

Y. Song
Huazhong University of Science and Technology, Wuhan, China

High magnetic field research has yielded fruitful results. Since 1913, associated with the magnetic field there are 19 Nobel Prizes, including a prize for medicine, five chemistry prizes, and 13 physics prizes. In recent years, the international community under the conditions of strong magnetic field is very active in scientific research, involving many disciplines such as physics, chemistry, ...

Surface Plasmon Polaritons Photonic Device Design and All-optical Modulation

J. Chen
Peking University, Beijing, China

Surface plasmon polaritons (SPPs), which are confined along metal-dielectric interfaces, have attracted great interest in the area of ultracompact photonic circuits due to their strong field confinement and enhancement. COMSOL Multiphysics is an efficient and powerful software package to simulate the characteristics of SPPs. In recent years, we did some works on SPPs in experiments as well as ...

Design and Analysis of MEMS-based direct methanol fuel cell

Z. Yuan
Harbin Institute of Technology, Harbin, China

In this presentation, “Design and Analysis of MEMS-based direct methanol fuel cell,” there are three main model parts, two-dimensional two-phase mass transport model, μdmfc three-dimensional model and a novel cathode model. First, a two-dimensional two-phase mass transport model was established. In this model, the process of gas-liquid transfer and electrochemical reaction within the ...

Study of ER Non-equilibrium Behavior with COMSOL

L. Zhou
Fudan University, Shanghai, China

COMSOL Multiphysics is a powerful tool in theoretical study. Lei Zhou, Jiping Huang and other professors in Physics Department, Fudan University have achieved some exciting results of soft, tunable metamaterials. We use it to study non-equilibrium behavior of rhoeological (ER) fluids and polar molecule dominated rheological (PM-ER) fluids. Numerical solutions using the Onsager’s principle would ...

Magnetoacoustic Tomography and COMSOL Multiphysics

W. He
Chinese Academy of Sciences, Institute of Electrical Engineering, Beijing, China

Magnetoacoustic tomography with magnetic induction (MAT-MI) is a recently introduced method for imaging electrical impedance properties, which integrates classic electrical impedance tomography and ultrasonic technique. It could provide an explicitly reconstructed electrical impedance distribution with high spatial resolution and contrast, eliminating the shielding effects of insulating tissues. ...

Designing Silver Nanowires Invisible Cloak Based on Effective Medium Approach

Y. Xu
Soochow University, Suzhou, China

In this section, we design an invisible cloak using the composite medium of silver nanowires with elliptical cross-sections embedded in a polymethyl methacrylate host. Under the guidance of an analytical effective medium approach, we use the parameter retrieval method to design a well-performed invisible cloak, based on an empirical revised version of the reduced cloak. The cloak is numerically ...

Simulation of MEA in PEMFC and Interface of Nanometer-Sized Electrodes

Q. Zhang, Y. Liu, and S. Chen
Wuhan University, College of Chemistry and Molecular Science, Wuhan, China

COMSOL Multiphysics is a very helpful simulation software in our researches on both PEMFC and nanometer-sized electrodes. In the first part of our presentation, the influence of humidity and temperature to the performance of PEMFC are studied by simulating the MEA (membrane electrode assembly) in PEMFC. In the second part, models of different nanometer-sized electrodes, including spherical ...

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