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

Voltage and Capacitance analysis of EWOD system using COMSOL

D. Das[1], S. Sohail[1], S. Das[2], and K. Biswas[1]
[1]Electrical Engineering Department, IIT Kharagpur, India
[2]School of Medical Science and Technology, IIT Kharagpur, India

Electrowetting on Dielectrics (EWOD)systems is widely practiced digital microfluidic technique, used in Lab-on-a-Chip (LoC) system for biomedical application. In EWOD, with applied potential, the droplet minimizes its surface energy by transiting towards the actuated electrode. The ... Read More

Design and Optimization of Gas Sensor Testing Chamber using COMSOL Multiphysics®

K.Govardhan[1], K.Narmada[2], Nirmala Grace[3]
[1]VIT University, MEMS & Sensors Division, School of Electronics Engineering, Vellore, Tamil Nadu, India
[2]VIT University, Sensor System Technology, School of Electronics Engineering, Vellore, Tamil Nadu, India
[3]VIT University, Center for Nanotechnology Research, Vellore, Tamil Nadu, India

This study aims at the design and optimization of a Gas Sensing Chamber. The design takes advantage of the multiphysics simulation capabilities of COMSOL Multiphysics® to incorporate various physics such as CFD, Micro fluidics, Solid Mechanics, Electro thermal effects etc. The ... Read More

Design of MEMS Based 4-Bit Shift Register

V. B. Math[1], B. G. Sheeparamatti[1], A. C. Katageri[1]
[1]Basaveshwar Engineering College, Bagalkot, Karnataka, India

This paper presents a unique design of MEMS based 4-bit shift register that perform shifting operation same as logic devices that are composed of solid-state transistors. The MEMS shift register design inherits all the advantages from MEMS switches and thus is expected to have more ... Read More

Simulation of the Flow of an Autonomous Spherical Ball inside a Pipeline

W. Chalgham [1], A. C. Seibi [1], M. Mokhtari [1],
[1] University of Louisiana at Lafayette, Lafayette, LA, USA

One of the limitations of pipelines performance and structural integrity assessment is the continuous inspection of possible leaks due to corrosion or other types of failure mechanisms. Efforts to develop new technologies started several decades ago where different inspection techniques ... Read More

Design and Analysis of a Wetting Lens for the Pinhole Cameras of a Two Phase Flow System

A. K. Reddy[1], T. Satyanarayana[1]
[1]Lakireddy Balireddy Autonomous College of Engineering, Mylavaram, A.P., India

The present work reports the fabrication process of micro lens for pinhole cameras, modeled using COMSOL Multiphysics®, by satisfying the wetting properties. Wetting is a change in contact angle between the liquid and solid surface area. The wetting properties are clearly understood in ... Read More

Development of a Micro Ultrasonic Transducer new

F. F. Dall'Agnol[1], A. C. F. de Mattos[1]
[1]Center for Information Technology Renato Archer (CTI), Campinas, SP, Brazil

We simulate a Capacitive Micromachined Ultrasound Transducer (CMUT) using COMSOL Multiphysics® software. The CMUT is an electromechanical system, therefore, we couple the physics of electrical and structural mechanics to describe its dynamics. We obtain the distributions of the electric ... Read More

Fluid-Structure Interaction of a Double Curvature Arch Dam Under Seismic Loading by the Application of Added Mass Technique and Acoustic Elements new

R. Manikandan[1], P. Sultana[1]
[1]National Institute of Technology Silchar, Silchar, Assam, India

Fluid Structure Interaction (FSI) plays an important role in the seismic analysis and the design of Hydraulic structures. In this study, the acoustic finite element model is analyzed with impounded water considering appropriate boundary conditions between the water & the upstream face of ... Read More

COMSOL Multiphysics® 在热发电用真空集热管设计中的应用

赵旭山 [1], 郝雷 [1], 蒋利军 [1], 米菁 [1], 杨海龄 [1],
[1] 北京有色金属研究总院,北京,中国

随着能源紧张、油价攀升,环境污染严重,利用可再生绿色能源又成为不懈努力的方向。槽式太阳能热发电技术具有兼容性强、对电网冲击小、性价比高、发电成本低、可存储可调度等特点,近年来得到了迅猛发展,其核心部件为高温太阳能真空集热管,如图1所示。本研究利用 COMSOL Multiphysics® 针对真空集热管真实工况下的动态过程开展研究,并在此基础上开展集热管结构的优化设计。 由图 1 可知:集热管在电站中服役工况下,槽面会聚的太阳光主要集中于集热管下半面,上半面接收的会聚太阳光较少;导热工质自吸收管一端进入,接收会聚太阳光辐照能量,从吸收管另一端流出,流入→流出过程中 ... Read More

Deformation of Stamp Features with Slanted Walls During Microcontact Printing new

F. E. Hizir[1], H. M. Al-Qahtani[1, 2], D. E. Hardt[1]
[1]Massachusetts Institute of Technology, Cambridge, MA, USA
[2]King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

Microcontact printing is a method for depositing patterns of thin films or molecular monolayers on surfaces using a polydimethylsiloxane (PDMS) stamp for selective mechanical contact (Figure 1). Undesired deformation of the stamp features during printing affects printed pattern quality. ... Read More

A Multi-Physics Study of the Wave Propagation Problem in Open Cell Polyurethane Foams

M. Dossi [1], M. Brennan [1], M. Moesen [1],
[1] Huntsman Polyurethanes, Everberg, Belgium

Flexible and semi-rigid polyurethane foams are widely used as noise and vibration damping materials. Their porous random microstructure is composed of a visco-elastic frame structure with an interstitial fluid, normally air, filling the voids. The viscoelasticity of the foams is due to ... Read More