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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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Simulating Experimental Conditions of the HIIPER Space Propulsion Device

A. Krishnamurthy[1], G. Chen[1], B. Ulmen[1], D. Ahern[1], G. Miley[1]
[1]University of Illinois at Urbana - Champaign, Urbana, IL, USA

The Helicon-Injected Inertial Plasma Electrostatic Rocket (HIIPER) is a two-stage electric propulsion system comprising of a helicon plasma source and an inertial electrostatic confinement (IEC) device for plasma production and acceleration, respectively. Several diagnostics such as a ... Read More

Fully Coupled FEM Modeling of the Swelling Behavior of Human Intervertebral Disc in Response to a Change in Chemical Environment

G. K. Mistri[1], K. J. Suthar[2]
[1]Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA
[2]Advanced Photon Source, Argonne National Laboratory, Argonne, IL, USA

The swelling behavior of human intervertebral disc is strongly influenced by chemical changes in the surrounding environment. Swelling of IVD is governed by various physical phenomena, including chemical and electric potential based transport, electrical charge balance, and swelling due ... Read More

Modeling of Lorenz Force Flowmeter for Molten Metal Flow Application

T. V. Shyam[1], B. S. V. G. Sharma[1], Mrigendra Kumar Mrityunjaya [2], Dr. Ravinder Agarwal[2]
[1]Reactor Engineering Division, Bhabha Atomic Research Centre, Mumbai, India
[2]Thapar University, Patiala, India

Flow measurement of molten metals is a formidable task considering the hostile conditions. Many electromagnetic methods have been evolved for measurement of flow of conductive medium. The Lorenz force velocimetry is promising considering its non-intrusive nature. The Lorenz force ... Read More

Design and Optimization of Electrostatically Actuated Micromirror

Anna Thomas[1], Juny Thomas[1], Deepika Vijayan[1], K.Govardhan[2]
[1]VIT University, Sensor System Technology, School of Electronics Engineering, Vellore, Tamil Nadu, India
[2]VIT University, MEMS & Sensor Division, School of Electronics Engineering, Vellore, Tamil Nadu, India

The microscopic size of MEMS devices accounts for strong coupling effects which arise between the different physical fields and forces. Micromirrors are essential parts of microswitches in fiber optic network telecommunication. They are usually 1 to 3 mm in size, fabricated from single ... Read More

Studies on Electrostatic Field of a Resistive Plate Chamber

A. Jash[1], N. Majumdar[1], S. Mukhopadhyay[1], S. Chattopadhyay[4]
[1]Saha Institute of Nuclear Physics, Kolkata, West Bengal, India
[4]Variable Energy Cyclotron Centre, Kolkata, West Bengal, India

Resistive plate chambers (RPC) are fast gaseous detectors, having a simple design and construction, good time resolution and high efficiency. These are extensively used in high energy physics experiments. A large number of RPCs will be used as the main detector element for India’s mega ... Read More

Studying Crosstalk Trends for Signal Integrity on Interconnects using Finite Element Modeling

J. Grover[1], Dr. A. Gupta[1]
[1]Birla Institute of Technology and Science, Pilani-Pilani Campus,Rajasthan ,India

In high-speed digital design, strong electromagnetic coupling exists between adjacent transmission lines. This manifests itself in the form of crosstalk voltage induced on either line. Crosstalk is modeled in terms of capacitance and inductance matrices which are extracted using COMSOL ... Read More

AC Electroosmosis and Dielectrophoresis for Trapping Spherical Particles between Rectangular and Triangular Electrodes

S. Narayan[1], H. Francis[1], S. Ghonge[1], D.N. Prasad[1], A. Sethi[1], S. Banerjee[1], S. Kapur[2]
[1]Department of Physics, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Hyderabad, Andhra Pradesh, India
[2]Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Hyderabad, Andhra Pradesh, India

We describe methods and results of simulations done for predicting behavior of particles in an aqueous solution under an applied AC electric field on electrodes of rectangular and triangular shapes. Here the two major effects which come into play are Dielectrophoresis and AC ... Read More

Finite Element Modeling of Five Phase Brushless Motor for High Power Density Application

KIRAN GEORGE[1], SHINOY K S[2]
[1]M A College of Engineering, Electrical and Electronics, Kothamangalam, Ernakulam,Kerala, India
[2]ISRO, Electrical and Electronics, Trivandrum,Kerala, India

The demand for high reliability motor drives increases every day, especially in aircraft where traditional, nonelectric systems (hydraulic, pneumatic) are being replaced by electrical actuators following the More Electric Aircraft (MEA) trend. Its pursuing involves the adoption of ... Read More

Analyzing an Unexpected Neutral Current in a Star-Star Transformer Under Steady State Condition

Aurabind Pal[1], Roma Dash[2], Anubhav Rath[3]
[1]Engineers India Limited, New Delhi; Summer Intern, Indian Institute of Technology Bombay,
Maharashtra, India
[2]IOCL,New Delhi; Intern, Indian Institute of Technology Bombay, Maharashtra, India
[3]3ETH Zurich, Switzerland

Finite element modeling of three phase three limbed transformer requires solving of field and circuit variables simultaneously. The accurate modeling thus obtained could predict asymmetry in magnetizing current of three phases due to asymmetry in core of three limbed transformer. This ... Read More

The Swelling Responsiveness of pH-Sensitive Hydrogels in 3D Arbitrary Shaped Geometry

K. J. Suthar[1], D. C. Mancini[2], M. K. Ghantasala[3]
[1]Advanced Photon Source, Argonne National Laboratory, Argonne, IL, USA
[2]Physical Sciences and Engineering, Argonne National Laboratory, Argonne, IL, USA
[3]Department of Mechanical Engineering, Western Michigan University, Kalamazoo, MI, USA

The pH-sensitive hydrogels are responsive to the pH of surrounding solution, which often resemble to biomaterials. Recently, pH-sensitive hydrogels are widely used in various devices as sensing media. We present the simulation of swelling characteristic of 3D-arbitarary-geometry, pH ... Read More

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