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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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Local Electroporation of Single Adherent Cells by Micro-Structured Needle Electrodes

K. K. Sriperumbudur[1], P. J. Koester[1], M. Stubbe[1], C. Tautorat[1], J. Held[2], W. Baumann[1], and J. Gimsa[1]
[1] University of Rostock, Chair of Biophysics, Gertrudenstr. 11a, 18057 Rostock, Germany
[2] Microsystem Material Laboratory, Department of Microsystems Engineering (IMTEK), University of Freiburg, Germany

In spite of its low throughput, Patch-Clamp is the established method for intracellular measurements of the transmembrane potential. To address this problem, we have developed new biosensor-chips with micro-structured needle electrodes (MNEs). MNE-penetration of single cells growing on ... Read More

Non-linear DC Electrophoresis in High Electric Field Conditions

E. Ruiz-Reina [1], F. Carrique [1],
[1] University of Málaga, Málaga, Spain

Very recently, the synthesis and experimental study of a new class of highly charged polymer particles has been described, which spontaneously charge in non-aqueous low-polarity solvents [1,2]. These suspensions are an example of what is known as salt-free systems. The study of ... Read More

Numerical Modeling of Resistive Switching in a RRAM Device

D. Niraula [1], V. Karpov [1],
[1] University of Toledo, Toledo, OH, USA

A new nonvolatile memory device based on its resistance state has emerged known as resistive random access memory (RRAM). It operates by switching between the high resistance and low resistance states which can be interpreted as logical 0 and 1 variables. Understanding the resistive ... Read More

Increasing Dust Removal Efficiency of Electrodynamic Screens Using Frequency Optimization via COMSOL Multiphysics®

C. Morales [1], R. Eriksen [1], M. Horenstein [1], M. Mazumder [1],
[1] Boston University, Boston, MA, USA

Utility-scale photovoltaic (PV) and concentrated solar power (CSP) generation facilities are located in desert environments throughout the world to take advantage of the high availability of sunlight in these areas. Unfortunately, naturally occurring sandstorms in these deserts often ... Read More

Modeling and Analysis of a Feedback-Controlled Active Magnetic Levitation System using COMSOL Multyphysics Finite Element Software

M. Nabi[1], and K. V. Ajeeth[1]
Department of Electrical Engineering, Indian Institute of Technology Delhi, India

Magnetic levitation systems have been studied in the context of high-speed transportation as maglev trains, high speed machinery as magnetic bearings, and other similar engineering applications. In this paper, a three dimensional arbitrary shaped object is modeled and analyzed through ... Read More

Analysis of an Electromagnet for Diverse Safety Rod Drive Mechanism

N. Subbulu[1], P. Sharma[1], V. Sharma[1], S.K. Das[1], R. Veerasamy[1], B. Krishnakumar[1], P. Kalyanasundaram[1], and G. Vaidyanathan[1]
[1] Fast Reactor Technology Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, India

Prototype Fast Breeder Reactor (PFBR) has two independent, diverse, fast acting & fail safe shut down systems to achieve the required level of safety & reliability (1). The shut down systems comprises of nine numbers of Control & Safety Rod Drive Mechanisms (CSRDM) & ... Read More

Calculation of the Magnetic Field Intensity in a Rectangular Conductor Carrying Current in Electromagnetism Introductory Courses

J.C. Olivares-Galvan[1], I. Hernandez[2] , P.S. Georgilakis[3], and L.E. Campero[1]

[1]Universidad Autónoma Metropolitana, Azcapotzalco, Mexico, D.F.
[2]Centro de Investigacion y de Estudios Avanzados del IPN, Unidad Guadalajara, Guadalajara, Jalisco, Mexico
[3]School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece

This paper describes a type of didactic material used when teaching electromagnetism. The purpose is to guide the students to verify the results of a Finite Element (FE) simulation using those obtained analytically. This procedure has shown to be of great help during their learning of ... Read More

Finite Element Analysis of Multiconductor Interconnects in Multilayered Dielectric Media

S. Musa and M. Sadiku
College of Engineering, Prairie View A&M University, Prairie View, TX, USA

Due to the complexity of electromagnetic modeling, researchers and scientists always look for development of accurate and fast methods to extract the parameters of electronic interconnects and package structures. In this paper, we illustrate modeling of multiconductor interconnects in ... Read More

Development and Characterization of High Frequency Bulk Mode Resonators

H. Pakdast, Z. Davis
DTU Nanotech, Technical University of Denmark, Kgs. Lyngby, Denmark

This article describes the development of a bulk mode resonator which can be employed for detection of bio/chemical species in liquids. The goal is to understand the mechanical and electrical properties of a bulk mode resonator device which exhibit high frequency resonance modes and Q ... Read More

Design and Simulation of an Electromagnetic Valve Actuator Using COMSOL Multiphysics

R. Wislati , H. Haase
Leibniz Universität Hannover, Germany

In this paper an electromagnetic solenoid actuator (EMVA) consisting of an upper and lower electromagnet, a linear moving armature and two preloaded springs is considered as a potential approach in Variable Valve Actuation (VVA) Systems for Internal Combustion Engines. In opposition to ... Read More

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