March 3, 2021 8:52 a.m.–5:15 p.m. IST

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COMSOL Day: Simulation in Engineering Education and Research

See what is possible with multiphysics simulation

Join us to see firsthand how multiphysics simulation can enhance engineering education and research. We will explore the power of COMSOL Multiphysics® as a tool for research as well as ways to engage students with this new teaching aid, so that they can understand the concepts better without having to learn how to build their own models.

View the schedule below and register for free today.


9:00 AM
Welcoming Remarks
9:15 AM

Get an overview of the COMSOL Multiphysics® software and explore its capabilities for teaching and research. We will take you through the modeling workflow, introduce you to multiphysics simulation, and discuss how to develop specialized applications for teaching and research. In addition, we will cover practical examples of how simulations can be incorporated into the curriculum and discuss how they can engage students and help them gain a deep understanding of physics concepts.

9:45 AM

Learn about the development of specialized applications as an effective tool for teaching. With the help of a live demonstration using COMSOL Multiphysics® and the built-in Application Builder, you will see how simple physics-based applications can be created to help students develop an intuitive understanding of the problem at hand. We will also show you how to easily distribute applications to students and collaborators using COMSOL Server™ and COMSOL Compiler™.

10:15 AM
Invited Speaker
Sudhir Ranganath, Siddaganga Institute of Technology, Tumkur

Simulating the Effects of Brief Periods of Eye Closure on the Dynamics of pO2 Underneath a Contact Lens Using COMSOL Multiphysics®

Restriction of corneal oxygen supply from the external environment can lead to a number of corneal disorders. The overall goal was to quantify the microenvironment based on noninvasive fluorescence spectroscopy so that one may initiate strategies to alleviate the problems secondary to contact lens wear. The specific objective of this study was to simulate unsteady-state diffusion of oxygen in the human cornea. A frequency-domain approach was employed to measure the lifetime for enabling extremely rapid pO2 measurements. In this study, we developed an unsteady-state reactive-diffusion model and gave attention to corneal oxygen diffusivity and solubility. We also adopted nonlinear Monod kinetics to describe the physiological dependence of the oxygen consumption rate on oxygen tension. The model was simulated in COMSOL Multiphysics® by defining the boundary conditions and necessary parameters. The parameters on which the oxygen consumption depends were also determined.

10:35 AM
Invited Speaker
Koushik Guha, NIT Silchar

Multiphysics Analysis of MEMS Devices

COMSOL Multiphysics® is used extensively at the National MEMS Design Centre at NIT Silchar to design and optimize the performance of different RF MEMS switches. After the calculation of electrical characteristics of the device is made, researchers revisit the structure and modify it to suit the present trend. COMSOL Multiphysics® allows for simpler results analysis and graphic extraction while the compatibility of MPH-files with other tools enables direct importing of the model into these tools. At NIT Silchar, researchers have created a kidney-on-chip model using the Microfluidics Module, which supports various kinds of biostudies, such as particle tracing and solute reaction. The design includes a sophisticated structure that goes through critical studies and performance simulations before it is fabricated. On simulation and analysis, the structure has shown satisfactory performance and is currently under fabrication. The flexibility to incorporate different structural changes and different multiphysics phenomena makes the design more realistic and therefore reliable. A micropump with nozzles has also been developed for a microdrug delivery system, wherein the required flow and pressure analysis is done using simulation.

10:55 AM
11:00 AM
Parallel Sessions
Battery Modeling

Get an overview of using the COMSOL® software for modeling batteries. Learn how to incorporate porous electrodes and electrode reactions including transport of ions and current in your battery models. We will address the simulation of lithium-ion battery power and capacity using realistic vehicle drive cycles, modeling of thermal effects on both cell and pack levels, safety aspects, and modeling capacity fade.

Structural Mechanics and Multiphysics

In this session, you will get an overview of how to model multiphysics phenomena by coupling structural mechanics with heat transfer, fluid flow, electromagnetics, and acoustics. Learn how to model fluid-structure interaction, thermal stresses, thermoelastic damping, electromechanical forces, magnetostriction, piezoelectricity, poroelasticity, and acoustic-structure interaction. We will show you the built-in multiphysics couplings and cover examples of how you can create your own couplings.

Tech Café: Simulating Bioengineering Applications

Biotechnology is a booming field involving a combination of physics at different complexities and scales. Research and development of bioengineering applications, including miniaturization, targeted drug delivery, organ replacement, and assistive functions such as integrated pacemakers requires multiple cycles of prototyping, testing, and optimizing. In this scenario, multiphysics simulation becomes especially important, as it is difficult to test everything on humans. Discuss your bioengineering projects with COMSOL engineers and your colleagues and explore how multiphysics simulation can help with your research.

12:00 PM
12:05 PM
Invited Speaker
Ann Roberts, University of Melbourne

Plasmonics for Structural Color and Image Processing Applications

Light-matter interactions at the nanoscale underpin the massive growth of recent interest in applications of nano-optics where incident visible light is modified on transmission through, or reflection from, tailored nanostructures. Supporting experimental research, COMSOL Multiphysics® is an invaluable tool in optimizing device design prior to potentially time-intensive and costly nanofabrication processes as well as providing insights into the fundamental science underpinning performance. Furthermore, it provides support for theoretical research into rapid, quasi-analytic approaches to probing the physics of these structures. Specific examples from ongoing research into plasmonic structural color and all-optical image processing will be presented.

12:25 PM
Invited Speaker
Venkatasailanathan Ramadesigan, Indian Institute of Technology Bombay

Modeling and Simulation of Electrochemical Energy Conversion and Storage Devices

Electrochemical energy conversion and storage systems play a significant role in a wide range of applications. These devices are critical, enabling electric transportation, the transition to renewable energy, energy management, conservation, and storage. Modeling, simulation, and optimization of these electrochemical energy devices provides much-needed insight for improvement in cost, lifetime, and performance, leading to continued expansion into existing and emerging market sectors. These technologies will have a substantial impact on the environment and the way we produce and utilize energy. COMSOL Multiphysics® is a well-established tool for modeling and simulation of different electrochemical energy technologies such as lithium-ion batteries, proton exchange membrane fuel cells (PEMFCs), and vanadium redox flow batteries. This talk will present the work done in modeling the different components of a PEMFC, namely the flow channel, gas diffusion layer, catalyst layer, and membrane. Species transport phenomena, electrochemical reactions, current distribution, and the flux transfer taking place at each layer are modeled. The model developed provides significant insight into the voltage-current relation and power output under varying design and operating parameters, some of which will be presented. A brief overview of the use of COMSOL Multiphysics® in other electrochemical systems, including lithium-ion batteries and redox flow batteries, will be presented.

12:45 PM
Break for Lunch
1:30 PM
Invited Speaker
M. Umapathy, NIT Trichy

Design and Analysis of Resonant Microsensors and Piezoelectric Energy Harvesters

Resonant sensing has become a very popular method for measuring physical, chemical, and biological phenomena and has been implemented in numerous devices for the measurement of acceleration, biological detection, density, flow, force (AFM cantilevers), gas detection, humidity, mass, magnetic field, temperature, and viscosity. Energy harvesting from ambient vibrations has been actively undertaken using smart materials such as piezoelectric materials. One of the most significant issues in energy harvesting using piezoelectric materials is to achieve high output voltage (power) in a broad operating frequency range. This talk will cover resonant pressure sensors; resonant magnetic field sensors; vibrational energy harvesters including broadband; and how they are designed, analyzed, and optimized using COMSOL Multiphysics®. The experimental results are demonstrated to be in close agreement with the simulation results obtained from COMSOL Multiphysics®.

1:50 PM
Invited Speaker
C. Anandharamakrishnan, Indian Institute of Food Processing Technology, Thanjavur

Modeling of Food Processing Operations Using COMSOL Multiphysics®

Food processing operations are complex and associated with intricate changes in terms of biochemical, physical, microbiological, nutritional, and sensory quality. While the focus here remains on food structuring, food science also considers the destructuring component — food digestion and absorption. Overall, this explains a series of operations from farm to fork and the body wherein food is utilized. With the potential of COMSOL Multiphysics® spanning across several sectors, its application range in the food industry is also vast. Research, academia, and industry have used simulation as a powerful tool to optimize various food processing unit operations, improve equipment design, and understand process capabilities, which contributes to overall process control. Accordingly, the focus of this talk will be on detailing the wide range of applications where multiphysics simulation can complement existing tools and techniques. Interesting applications include understanding the hydration behavior of a different variety of paddy at different soaking temperatures, describing the volume expansion, crust formation, and evaporation during the bread baking process, and studying the shrinkage and porosity variations on potato slices during drying. Another area of exploration involving the peristalsis of the stomach during digestion was modeled by considering the real stomach shape and its movement. The action of physical forces experienced inside the stomach was used to predict pressure distribution and velocity fields with different changeable viscosities of ingested meals. Similarly, the intestinal peristaltic movement during the digestion process and the absorption of vitamin E was modeled. An investigation on the effect of glycemic response showed that depending on proximate contents of the food, the glycemic response also varied. Overall, the talk will provide insights into the need for interdisciplinary research and cast light on the capabilities of COMSOL Multiphysics® for the food industry, with an emphasis on current challenges and research needs.

2:10 PM
2:15 PM
Parallel Sessions
RF and Optics

Join us for this session to see how to model electromagnetics applications in the high-frequency regime. We will discuss how to solve Maxwell's equations to simulate optical wave propagation, reflection, refraction, absorption, scattering, and diffraction. We will also give you an overview of modeling antennas, optical waveguides, lenses, lasers, and periodic structures and show you how to couple electromagnetic wave simulations to heat transfer to model multiphysics applications such as RF heating.

Heat Transfer and Fluid Flow

In this session, we will show you how to simulate different heat transfer mechanisms as well as types of fluid flow. We will discuss how to model conduction, convection, and radiation as well as conjugate heat transfer by combining heat transfer in solids and fluids. You will get an overview of laminar, turbulent, non-Newtonian, and multiphase flows as well as flow in microfluidic devices. You will also learn how to couple these phenomena with structural mechanics, chemical reactions, and particle tracing.

Tech Café: Modeling MEMS Devices

Attend this Tech Café to participate in a discussion forum with colleagues and COMSOL engineers about your MEMS-based projects. We will discuss aspects of modeling various MEMS applications, including actuators; sensors involving different actuation mechanisms, such as electromechanical, piezoelectric, piezoresistive, and thermal phenomena; as well as fluid- and acoustics-based sensors.

3:15 PM
Invited Speaker
Lim Kian Meng, National University of Singapore

Modeling and Simulation of Ultrasound-Assisted Additive Manufacturing

Advances in additive manufacturing techniques have enabled the development of novel and structural composite materials, such as those that possess multilevel hierarchical microstructures. These structures can be designed to have good strength-to-weight ratio, sometimes mimicking those found in nature. The ability to control and tune such microstructures bottom-up, starting from the microstructure, is critical to fabricate such composites. In this talk, the use of an ultrasound-assisted additive manufacturing process will be presented. An ultrasound field is used as a force field within a 3D printing setup to enable the self-assembly of particles or filler materials with a fluid resin. A COMSOL® model is presented to describe the setting up of an ultrasound field and the tracking motion of particles under the acoustic radiation force. The simulation involves multiple physical phenomena that are coupled together, including the piezoelectric actuator, structure of the vat container, ultrasound field, and the particle-fluid drag. Simulation results from this model show the filler particles agglomerating at the pressure nodal lines, forming desired patterns under the influence of the ultrasound field. The simulation results are comparable and similar to observations in our preliminary experiment setup. The validation of this model provides us with a design tool to study the effect of various parameters in the 3D printing process.

3:35 PM
Invited Speakers
Parth Shah & Nikhil Yelamarthy, Avishkar Hyperloop

Hyperloop Technologies: Modeling and Optimization Using COMSOL Multiphysics®

Hyperloop is an upcoming mode of transportation envisioned for high-speed travel in low transit times. At team Avishkar Hyperloop, we aim to research and develop Hyperloop technologies ranging from contactless propulsion and levitation to eddy current and regenerative braking. Through the course of our presentation, we will take you through the linear induction motor, circular levitator machine, and eddy current braking mechanism, all of which have been designed, modeled, and optimized using COMSOL Multiphysics®.

3:55 PM
4:00 PM
Parallel Sessions
Advanced Manufacturing Applications

In this session, we will discuss how simulation is used to enhance various advanced material fabrication techniques used in the manufacturing process. We will cover different types of welding, casting, steel quenching, and electrochemical etching. You will also learn how to model additive manufacturing processes like sintering, extrusion, and electrodeposition, and see how you can 3D print COMSOL Multiphysics® models.

Low-Frequency Electromagnetics

Learn about the capabilities of the AC/DC Module for modeling Maxwell's equations in the low-frequency regime. Use cases include resistive and capacitive devices, inductors and coils, as well as motors and magnets.

Tech Café: Simulating Chemical Processes

Participate in a discussion of simulation projects involving chemical reaction kinetics and process engineering with colleagues and COMSOL technical staff. We will discuss how simulation can be used to optimize and control the nature and rate of chemical reactions together with material transport in various applications, including pharmaceutical synthesis, polymer manufacturing, food science, biochemical applications, chemical reactions, and electrochemical engineering.

5:00 PM
Closing Remarks

COMSOL Speakers

Ashwin S. Mecheri
Ashwin S. Mecheri is currently a sales manager at COMSOL. He received an MS degree in biomedical engineering from Nanyang Technological University (NTU), Singapore, and held a research position at imec, KU Leuven, Belgium.
Prajakta Sabnis
Prajakta Sabnis is the general manager, applications at COMSOL's Bangalore office, which she joined in 2010. Prajakta has a master’s degree in microelectronics from the Indian Institute of Technology, Bombay, where she worked on the design and fabrication of a polymeric piezoresistive micro-accelerometer, using nonconventional materials.
Rahul Bhat
Rahul Bhat received his PhD from the Indian Institute of Technology, Bombay, in 2019. His prior industry experience has been in low-voltage switchgears at Larsen & Toubro Limited and in the development of servo control systems at Bhabha Atomic Research Center. His area of interest is low-frequency electromagnetics FEM simulations.
Rustam Shekhar
Rustam Singh Shekhar is an applications engineer at COMSOL, specializing in electrochemistry and battery simulation. He received his PhD in energy science and engineering from IIT Bombay, masters in chemical engineering from IIT Hyderabad, and bachelors in chemical engineering from MITS Gwalior. His expertise includes electrode microstructure and cell- and pack-level modeling.
Shuvadeep Saha
Shuvadeep Saha is an applications engineer specializing in aerospace engineering. Before joining COMSOL in 2019, he worked in Mahindra group as a CFD engineer. Shuvadeep received his MTech in aerospace engineering from Indian Institute of Technology Bombay, India, investigating viscous drag and heat transfer on plates in hypersonic flow.
Uttam Pal
Uttam Pal joined COMSOL as an applications engineer in 2015. Before joining COMSOL, he worked in opto-semiconductor startup and as a patent analyst in the fields of optics, robotics, and image processing. He received his master’s degree in the field of computational electromagnetics from the Indian Institute of Technology, Bombay.
Vaibhav Adhikar
Vaibhav Adhikar joined COMSOL as an applications engineer in 2020. He received his master’s degree in RF & microwave engineering from the Indian Institute of Space Science and Technology, Trivandrum, and interned at the Semiconductor Laboratory, ISRO, Chandigarh, designing flexible antennas and passive devices using silicon micromachining for THz communications.
Vineet Dravid
Vineet Dravid is the director of India operations at COMSOL. He has been working with COMSOL since 2006, first in the Boston office and in the Bangalore office since 2009. He received his PhD in mechanical engineering from Purdue University in 2006.

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COMSOL Day Details

Invited Speakers

Ann Roberts
University of Melbourne

Dr. Ann Roberts is a professor of physics at the University of Melbourne. She has diverse research interests in physical optics and photonics. In particular, she has made significant advances in the computational and experimental study of plasmonic devices, meta-optics, and nanoscale antennas. Professor Roberts' research interests also include the development of novel microscopic and imaging techniques and their application to the nondestructive examination of specimens such as live cells, photonic devices, and cultural materials. She is a fellow of the OSA, the SPIE, and the Australian Institute of Physics, and a member and former president of the Australian and New Zealand Optical Society.

C. Anandharamakrishnan
Indian Institute of Food Processing Technology (IIFPT), Thanjavur

Dr. C. Anandharamakrishnan is currently the director of the Indian Institute of Food Processing Technology (IIFPT), Thanjavur, prior to which he was principal scientist and coordinator for the Academy of Scientific & Innovative Research (AcSIR) at CSIR-CFTRI. Dr. Anandharamakrishnan obtained his PhD in chemical engineering with a specialization in food engineering from Loughborough University, United Kingdom, during which he was awarded the prestigious Commonwealth Scholarship program from the government of the United Kingdom. Dr. Anandharamakrishnan is the recipient of several awards, including the prestigious ICAR Rafi Ahmed Kidwai Award for Outstanding Research in Agricultural Sciences 2019; the National Design Award 2019 for Outstanding Contribution by the Institution of Engineers, National Design and Research Forum; the prestigious NASI-Reliance Industries Platinum Jubilee Award 2018; and the AIFPA Special Platinum Jubilee Award for Development of Food Processing Technology and Innovation 2018. He is also the recipient of the Tata Innovation Fellowship 2019-20 by DBT, Government of India. His areas of research include the design of engineered nanoscale and microscale delivery systems for the controlled and targeted release of food bioactive compounds, 3D food printing, engineered human dynamic gastrointestinal system and glycemic index studies, spray drying and spray-freeze-drying of food products, and computational modeling of food processing operations.

Koushik Guha
National Institute of Technology, Silchar

Dr. Koushik Guha is an assistant professor at the Department of Electronics and Communication Engineering as well as the associate dean of student welfare at NIT Silchar, Assam, India. Dr. Guha runs the National MEMS Design Centre in NIT Silchar and is one of the leading researchers in the country specializing in MEMS/NEMS, VLSI system design, and analog circuit design. He has been involved in a number of government R&D projects, such as the Special Manpower Development project from Meity, Govt. of India and the Horizon-funded international project with Tyndall Institute of Ireland. Dr. Guha also holds an international patent for his work on the simulation of a heterojunction solar cell with a photonic crystal on photoactive material. His current research interests include mimicking human body functions using MEMS technology, RF MEMS, BIO-MEMS, MEMS energy harvesting, design and development of smart sensors for IoT, and VLSI circuit design and optimization.

Lim Kian Meng
National University of Singapore

Dr. Lim Kian Meng is an associate professor of the Department of Mechanical Engineering in the National University of Singapore. He was also a fellow of the Computational Engineering program under the Singapore-MIT Alliance II (2005–2013). His research interests are in the areas of computational mechanics, vibration, acoustics, and hearing. He has worked on several projects involving the development of advanced computational methods for multiphysics and multidisciplinary problems, such as the use of electric fields and ultrasound fields for the manipulation of microparticles and cells in microfluidic systems.

M. Umapathy
National Institute of Technology, Trichy

Dr. Umapathy Mangalanathan is currently a professor (HAG) at the Department of Instrumentation and Control Engineering at the National Institute of Technology (NIT), Tiruchirapalli, which he joined in 1996 as a faculty member. He is a member of IEEE and has a bachelor’s degree in instrumentation and control engineering from the Government College of Technology, Coimbatore, India, and a master’s degree in precision engineering and instrumentation from IIT Madras. He received his PhD in systems and control engineering from IIT Bombay in 2001. Dr. Umapathy has also worked as a graduate Eengineer trainee in NLC Limited, Neyveli, India, for a year and served as a scientist at the Defence Research and Development Organization, Government of India, Pune, India for six years. His research interests include sensors and actuators, energy harvesting, instrumentation, smart structure modeling and control, and MEMS.

Nikhil Yelamarthy
Avishkar Hyperloop

Currently in his third year of BTech in the Department of Electrical Engineering at IIT Madras, Nikhil Yelamarthy has been a part of Avishkar Hyperloop since January 2019. He heads the research and development of linear induction motors (LIM) at Avishkar Hyperloop. As the LIM team's lead, he manages the subsystem, creates and verifies simulations for the LIM, and designs the prototypes and experimental setups for the same. Apart from this, he was a part of the editorial team for the Entrepreneurship Insider, IITM's annual entrepreneurial magazine.

Parth Shah
Avishkar Hyperloop

Currently in his fourth year of BTech in the Department of Electrical Engineering at IIT Madras, Parth Shah has been a part of Avishkar Hyperloop since its inception in January 2019. Currently, he is a group lead at Avishkar. As one of the team's group leads, he overlooks three subsystems: LIM, Controls and Communications, and Power Systems. He verifies the designs and simulations of these three subsystems. Apart from this, he has also been a coordinator at Shaastra, IIT Madras's technical fest, and is a member of the institute basketball team.

Sudhir Ranganath
Siddaganga Institute of Technology (SIT), Tumkur

Dr. Sudhir Ranganath is an assistant professor in the Department of Chemical Engineering at Siddaganga Institute of Technology (SIT), Tumkur. He is also the principal investigator and founder of the Laboratory for Biomedical Innovations via Engineering & NanoTechnology (Bio-INvENT Lab) at SIT. He is the cofounder and director of a pharma research startup, Tvastra InnoTech Solutions, which is currently being incubated at SIT. His current research interests are ocular pathophysiology and pharmacology, ocular drug delivery and biosensing, stem cell bioengineering, cell-based targeted drug delivery to cancer, and mathematical modeling of transport in biological systems.

Dr. Ranganath received his BE in chemical engineering from Bangalore University, MS & PhD in chemical engineering from the National University of Singapore (NUS), and postdoctoral experience at Harvard-MIT, USA, & JNCASR, India. He has published 20 international high-impact research articles in top journals, including Cell Stem Cell, Advanced Drug Delivery Reviews, Stem Cell Reports, Nature Scientific Reports, Biomaterials, Pharmaceutical Research, PLoS ONE, and AIChE Journal. He also has two patent applications on novel drugs against HIV and nanoparticles for stimulating plant defense.

Venkatasailanathan Ramadesigan
Indian Institute of Technology, Bombay

Dr. Venkatasailanathan Ramadesigan is an associate professor in the Department of Energy Science and Engineering at Indian Institute of Technology, Bombay. His research interests broadly include modeling and simulation of electrochemical energy storage and conversion systems, nonlinear parameter estimation, model-based optimization and design, advanced battery management systems, system integration, and large-scale energy storage. His current research involves modeling, simulation, and optimization of lithium-ion and other metal‐ion batteries, redox flow batteries, fuel cells, modeling and control of hybrid renewable energy‐battery systems, and battery recycling.