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 2023 Collection

RF and Microwave Engineeringx

Simulation and Validation of TM_01 to TE_11 mode converter using COMSOL Multiphysics new

Neha Parmar1, Harish V. Dixit1, Runa Kumari1, Aviraj Jadhav2, D. Ratan Sanjay3
1Birla Institute of Technology and Science –Pilani, Hyderabad Campus, Telangana, India
2Precision Power Products, Pune, India
3RCI, DRDO Hyderabad, Telangana, India

The high-power microwave sources generate waves with the output mode of TM01 mode which has null at the boresight upon radiation. The output mode of the source is transformed to some other mode having a maximum field pattern at the boresight such as TE11 mode. In this work, a compact, ... Read More

Design and Optimization of Periodic Structures for Electromagnetic Wave Manipulation new

Rajat Srivastava1, Dr Sangeeta Kale1
1Defence Institute of Advanced Technology

This research presents the design, simulation, and characterization of novel resonator structures based on the principles of coupling electric fields using periodic metamaterial-inspired configurations using COMSOL Multiphysics RF module. The resonators are meticulously crafted to ... Read More

Wavelength Bit-rate Tunable Silicon – Organic hybrid Modulator using commercially Available HLD new

Arathy krishna 1, Dr Prita Nair1
1Shiv Nadar University Chennai

On-chip photonic modulators designs currently use NLO material stacks such as LiNbO3 or BaTiO3 on Si or use current injection across silicon waveguides to induce phase change required for optical modulation(Li 2020)(Li 2019). The other silicon compatible option explored is silicon ... Read More

Numerical Electromagnetic Cloak for arbitrary 3D shapes using Laplace’s Equation new

Bhavya E V1, Balamati Choudhury1
1Centre for electromagnetics CSIR-National Aerospace Laboratories Bangalore

The concept of invisibility in general has been imagined in science-fiction in fascinating ways such as invisible aircrafts, invisible cars, cape of invisibility etc. which has inspired a lot of interest in the field. The first crude attempt at achieving invisibility was inspired from ... Read More

Analysis of cancer cell behaviour using sub-THz excitation in COMSOL Multiphysics new

Monodipa Sarkar (2)1, Aayushi Sinha (1)2, Niraj Kumar (3)3
1Vacuum Electron Devices Design Group, Academy of Innovative and Scientific Research (AcSIR), Ghaziabad, India,2001002
2 Amity Institute of Biotechnology (Autonomous) , Amity University Noida, India, 201303
3Vacuum Electron Devices Design Group(CSIR-CEERI, Pilani) , Academy of Innovation and Scientific Research (AcSIR) Ghaziabad, India,2001002

In this paper, analysis of cancer cell using Sub-THz technology have been studied. Sub-THz technique for cancer detection is a much reliable and safer technique as compared to conventional methods [1,2]. To study the behavior of cancer cells and normal cells using Sub-THz technology, a ... Read More

Design of 0.2 THz Staggered Double Vane Beam-Wave Interaction Structure using COMSOL Multiphysics new

Monodipa Sarkar1, Niraj Kumar1
1Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India, 201002 and CSIR-Central Electronics Engineering Research Institute, Pilani, Rajasthan, India, 333031

THz is an emerging technology which can be strongly utilized in the field of spectroscopy, communication, biomedical, non-destructive evaluation (NDE), food industry and many more fields [1-2]. It covers the frequency range from 0.1-10 THz [2]. At THz regime, to achieve the high output ... Read More

Nonlinear Analysis of Beam-Wave Interaction for High Power THz TWT with Sheet Electron Beam new

Vishnu Srivastava1
1Ex Emeritus Scientist, CSIR-CEERI, Pilani-333 031, Rajasthan, India.

High-power THz TWTs of frequencies between 0.1THz to 0.3THz are being investigated for their use as amplifiers in ultra-broadband wireless communication systems, because of their high gain, high efficiency, wide bandwidth and high linearity. They have many other new emerging applications ... Read More

Design and Simulation of an Additive Manufactured Microwave Cavity for Compact Cold Atom Clocks

C. Affolderbach1, E. Batori1, G. Mileti1
1University of Neuchâtel, Neuchâtel, Switzerland

We present the design and performance simulations for a microwave cavity for use in novel compact cold atom atomic clocks. Design goals for such a microwave cavity are a resonance frequency at the Rubidium ground-state transition frequency of 6.835 GHz, combined with a moderate quality ... Read More

Full-Wave Validation of Broadside Radiating MTS Antennas Designed with a Current-Based Approach

L. Teodorani1, M. Zucchi1, R. Gaffoglio2, G. Giordanengo2, M. Righero2, G. Vecchi1
1Politecnico di Torino
2Fondazione LINKS

Metasurface (MTS) antennas are based on the use of special types of scattering surfaces patterned at a sub-wavelength scale with electrically small metallic dielectric inclusions, usually called unit cells [O. Quevedo-Teruel et al., Journal of Optics, vol. 21, 2019]. The radiation ... Read More

Safety and Effectiveness Evaluation of Medical Therapeutic and Diagnostic Devices Using EM Fields

David Vrba1, Ondrej Fiser2, Matous Brunat3, Tomas Drizdal3, Tomas Pokorny3, Jan Vrba1
1V3 Consulting, s.r.o.
2Czech Technical University in Prague, Faculty of Biomedical Engineering; V3 Consulting, s.r.o.
3Czech Technical University in Prague, Faculty of Biomedical Engineering

Currently, there are a number of promising applications of electromagnetic fields in medical diagnosis and therapy. Some, such as non-invasive monitoring of blood glucose concentration in patients with diabetes or temperature monitoring during hyperthermia, are in the phase of ... Read More

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