Papers & Presentations

Showing results 1 - 17 of 17

COMSOL Conference 2011 - Tokyo

Computer Simulation of Drug Release Kinetics of Mauran-Chitosan Nanoparticle in COMSOL Computer Simulation of Drug Release Kinetics of Mauran-Chitosan Nanoparticle in COMSOL

• Bionanotechnology is a stream of modern science that deals with the study of biotechnology & nanotechnology applications. • Drug delivery applications as a key area of research attains more critical approaches where the role of...
COMSOL Conference 2011, Tokyo
S. Raveendran1 , S. Sukuvihar2 , S. Kumar1 , and T. Maekawa1
1 Tokyo University
2 Senshin Technologies

COMSOL Multiphysics in Modeling MOCVDs COMSOL Multiphysics in Modeling MOCVDs

This paper showed that: * SAG-MOCVD is a powerful tool to fabricate OEICs and is also effective to extract true surface kinetics during MOCVD. * GaAs-MOCVD process was examined by SAG analysis where it was seen that below 600ºC,...
COMSOL Conference 2011, Tokyo
Y. Shimogaki
Shimogaki Laboratory
Department of Materials Engineering,
The University of Tokyo
Japan

Design for an Invisibility Cloak Design for an Invisibility Cloak

In order to design invisibility cloak, we use two different type of spaces: Physical space and Mathematical space. This paper is in Japanese.
COMSOL Conference 2011, Tokyo
T. Ochiai
Toyama Prefectural University
Japan

Design of Resonator for Ultrasonic Motor with Vibrational Transmission Line using COMSOL Design of Resonator for Ultrasonic Motor with Vibrational Transmission Line using COMSOL

This paper is in Japanese.
COMSOL Conference 2011, Tokyo
H. Tamura
Tohoku Institute of Technology
Japan

Design of Traveling Wave Ultrasonic Vibration Disk for Nano-particles in Liquid Dispersion Design of Traveling Wave Ultrasonic Vibration Disk for Nano-particles in Liquid Dispersion

The traveling wave ultrasonic vibration disks for dispersion of particles were designed by using of FEM analysis. The vibration disks are required specific vibration pattern, which contains three nodal lines. The vibration disk thickness...
COMSOL Conference 2011, Tokyo
J. Muraoka, and T. Suzuki
Yamagata Research Institute of Technology
Yamagata
Japan

Development of Tiny Fuel Cells for Micro-devices on the Basis of Simulation Results Development of Tiny Fuel Cells for Micro-devices on the Basis of Simulation Results

For the successful exploitation of microdevices such as microsensors, development of micro-power sources is strongly required. In this view, microbatteries and microfuel cells have been developed. Here the concept of on-chip fuel cells,...
COMSOL Conference 2011, Tokyo
S. Tominaka
International Center for Materials Nanoarchitectonics
National Institute for Materials Science
Japan

Drag Reduction due to Microbubbles in Textured Hydrophobic Surface Drag Reduction due to Microbubbles in Textured Hydrophobic Surface

This paper is in Japanese.
COMSOL Conference 2011, Tokyo
S. Takahashi
Tokyo Metropolitan University
Tokyo
Japan

Dynamic Multi-Phase Modelling and Optimisation of Fluid Jet Polishing Process Dynamic Multi-Phase Modelling and Optimisation of Fluid Jet Polishing Process

In the Fluid Jet Method, a polishing fluid is compressed and delivered through a nozzle, allowing the spot area to become continuously replenished with abrasives and coolant. Process parameters include: Abrasive type and concentration,...
COMSOL Conference 2011, Tokyo
A. Beaucamp2 , R. Freeman2 , and Y. Namba1
1 Chubu University, Kasugai, Japan
2 Zeeko Ltd, Coalville, UK

Effect of Property Distribution on Flow Behavior in Microfluidic System Effect of Property Distribution on Flow Behavior in Microfluidic System

This presentation includes: * A discussion on the role of properties in the micro-world * A simulation of a temperature-dependent property * A numerical model that investigates the effects of temperature and velocity fields This...
COMSOL Conference 2011, Tokyo
M. Motosuke
Tokyo University of Science
Tokyo
Japan

Light Scattering Simulation of Nano-objects on the Surface of Silicon Wafers by 3D Finite Element Method Light Scattering Simulation of Nano-objects on the Surface of Silicon Wafers by 3D Finite Element Method

Nanotechnology is rated as a key technology of the 21st century. In the field of nano-optics already at present, state-of-the-art scientific experiments and industrial applications exhibit nanometer to sub-nanometer design tolerances....
COMSOL Conference 2011, Tokyo
Y. Oshikane, T. Higashi, N. Taniguchi, M. Nakano, and H. Inoue
Dept. of Prec. Sci. and Technology
Grad. School of Eng.
Osaka University
Japan

Numerical Study of Exciton States of Core?shell CdTe/CdS Nanotetrapods by using COMSOL Multiphysics Numerical Study of Exciton States of Core?shell CdTe/CdS Nanotetrapods by using COMSOL Multiphysics

This paper showed: * The electronic states of core-shell tetrapod with various shell thickness were calculated. Lowest 20 electron and hole wave functions have A1 or T2 symmetry. * At t=1.2 nm, the carriers separation is not serious,...
COMSOL Conference 2011, Tokyo
Y. Yao?and K. Sakoda
National Institute for Materials Science
University of Tsukuba
Japan

Optical Manipulation of Microscopic Objects Optical Manipulation of Microscopic Objects

In recent years, optical manipulation using optical radiation pressure has been widely studied. In this study, the radiation pressure exerted on various kinds of microscopic objects with different laser beams was evaluated by COMSOL...
COMSOL Conference 2011, Tokyo
R. Ozawa
Yokohama University
Japan

Optimization of Thermoelectric Energy Harvester using COMSOL Multiphysics Optimization of Thermoelectric Energy Harvester using COMSOL Multiphysics

This paper discusses a geometrical optimization method for thermoelectric generators. Our method provides the optimized geometry in accord with various arbitrary conditions such as types of materials, volume of materials, temperatures of...
COMSOL Conference 2011, Tokyo
A. Takezawa, and M. Kitamura
Division of Mechanical System and Applied Mechanics
Faculty of Engineering
Hiroshima University
Japan

Simulation Analysis of Acoustic Radiation Force under Ultrasound Exposure and Effect to Microbubbles in Flow Simulation Analysis of Acoustic Radiation Force under Ultrasound Exposure and Effect to Microbubbles in Flow

This paper is in Japanese.
COMSOL Conference 2011, Tokyo
T. Ito
Masuda Laboratory
Tokyo University of Agriculture & Technology
Japan

Single Crystal Diamond NEMS Switch Single Crystal Diamond NEMS Switch

A single-crystal diamond NEMS switch was fabricated while batch production of SCD MEMS/NEMS structures were developed. The diamond NEMS switches exhibit high performance with respect to high controllability, high reproducibility, and...
COMSOL Conference 2011, Tokyo
M. Liao
Optical and Electronic Materials Unit
National Institute for Materials Science
Japan

Tertiary Current Distributions on Rotating Electrodes Tertiary Current Distributions on Rotating Electrodes

The tertiary current distributions on rotating electrodes are studied in this work. An acid copper sulfate electrolyte is used within an electrochemical cell of practical dimensions. The distributions of ion concentrations are obtained by...
COMSOL Conference 2011, Tokyo
L. Tong
Kesoku Engineering System Co., Ltd.,
Japan

Topology Optimization of Dielectric Metamaterials Based on the Level Set Method Using COMSOL Multiphysics Topology Optimization of Dielectric Metamaterials Based on the Level Set Method Using COMSOL Multiphysics

This presentation shows a level set-based topology optimization method for the structural design of negative permeability dielectric metamaterials incorporating the level set boundary expression based on the concept of the phase field...
COMSOL Conference 2011, Tokyo
M. Otomori, and S. Nishiwaki
Kyoto University
Japan