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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.

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MEMS Resonator for RF Applications

V. Harshey
Visvesvaraya National Institute of Technology
Nagpur
Maharashtra, India

Vibrating mechanical tank components, such as quartz crystals and surface acoustic wave (SAW) resonators with Q’s in the range of 10e3–10e6, are widely used to implement high-Q oscillators and band pass filters in the radio frequency (RF) and intermediate frequency (IF) stages of ... Read More

Two-Dimensional Numerical Simulation of a Planar Radio-Frequency Atmospheric Pressure Plasma Source

L. Wang [1], G. Dinescu [2], E.- R. Ionita [2], C. Leys [1], A. Y. Nikiforov [1],
[1] Department of Applied Physics, Ghent University, Ghent, Belgium
[2] National Institute of Laser, Plasma and Radiation, Măgurele, Romania

The radio-frequency(RF) plasma sources have shown great potential in various industrial applications such as thin coatings deposition and polymers modification[1,2]. Physics of low pressure RF plasmas has been investigated significantly[3]; however, this kind of plasma source is rarely ... Read More

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

Dynamic Simulation Of Particle Self-Assembly Applied To Microarray Technology

V. Di Virgilio, A. Coll, S. Bermejo, and L. Castañer
Universitat Politecnica de Catalunya, Barcelona, Spain

In this work we want to explore some techniques, microfluidic and electrospray-ionization based, suitable for dynamic microarrays\' fabrication. The fabrication techniques are based on manipulation and self-assembly of selective coated micro and nanobeads. The simulation will include ... Read More

DNA Interactions in Crowded Nanopores

K. Misiunas[1], N. Laohakunakorn[1], S. Ghosal[2], O. Otto[1], U. F. Keyser[1]
[1]University of Cambridge, Cambridge, UK
[2]Northwestern University, Evanston, IL, USA

The motion of DNA in crowded environments is a common theme in physics and biology. Examples include gel electrophoresis and the self-interaction of DNA within cells and viral capsids. Here we study the interaction of multiple DNA molecules within a nanopore by tethering the DNA to a ... Read More

Using Multiphysics to Quantify Leakage Rates in New and Rehabilitated Sewer and Water Pipes

C. Hansen [1],
[1] Electro Scan Inc., Sacramento, CA, USA

Traditionally, municipal sewer and water agencies have relied on acoustic data loggers and closed-circuit television cameras to inspect pipes for leaks. In addition, the same legacy techniques have been used to certify new and rehabilitated pipes as watertight. Unfortunately, visually ... Read More

FEM Modeling of Electric Field and Potential Distributions of MV XLPE Cables Containing Void Defect

M. Alsharif[1], P. Wallace[2], D. Hepburn[2], C. Zhou[2]
[1]Department of Physics, Faculty of Arts, Sebha University, Sebha, Libya
[2]School of Engineering & Computing, Glasgow Caledonian University, Glasgow, United Kingdom

Introduction: Failure in cable insulation is generally preceded by a degradation phase that may last several years. A significant cause of cable system failures is the breakdown of electrical insulation between the electrodes. The operational stresses that occur in cable insulation which ... Read More

Thin Membrane Modelling for the Electrical Stimulation of Auditory Nerve

A. Grünbaum[1], S. Petersen[1], H.W. Pau[2], and U. van Rienen[1]

[1]IEF funded by DFG Research Training Group 1505/1 Welisa, University of Rostock, Rostock, Germany
[2]Otolaryngology “Otto Körner”, University of Rostock, Rostock, Germany

Modeling of 2-5 μm thin membranes into a cochlea with a width of 2 cm is computationally. The paper is focused on two approximative methods used to overcome this problem and in addition a simple model challenging of a plate capacitor with a thin membrane of different thickness in ... Read More

HIIPER Space Propulsion for Future Space Missions

G. H. Miley[1], M. P. Reilly[2], B. Ulmen[3], P. Keutelian[3], and J. Orcutt[3]
[1]NPL Associates, Inc., Urbana-Champaign, IL
[2]Starfire Industries, Champaign, IL
[3]University of Illinois, Urbana-Champaign, IL

A coupled helicon/IEC plasma jet is in development for space propulsion applications. This device decouples the ionization and plasma acceleration process into separate stages. A realistic model is to consider a plasma media where the relative permittivity is negative or imaginary. ... Read More

Modeling the ELENA Electron Cooler with COMSOL Multiphysics® Software

G. Tranquille[1]
[1]CERN, Geneva, Switzerland

ELENA is a small cooler decelerator ring at CERN which will be built to increase substantially the number of usable antiprotons delivered to experiments for studies with antihydrogen and antiprotonic nuclei. COMSOL Multiphysics® software has been used to completely model the ELENA ... Read More

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