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 2019 Collection
MEMS and Nanotechnologyx

Simulation of Piezoelectric Nanofibers for Harvesting Energy Applications new

S. Rouabah[1], A. Chaabi[1]
[1]Electronics Department, Constantine University, Constantine, Algeria

In this work, we have taken a model which is simulated using COMSOL Multiphysics®. It was used as a tool to design, characterize and to simulate an example which is nanofibers based piezoelectric energy generators. The results are compared with other available sources but using with ... Read More

MEMS Pirani Sensor for Pressure Measurements in the Fine- and High-Vacuum Range new

M. Grau[1], F. Völklein[1], A. Meier[1], C. Kunz[1], P. Woias[2]
[1]RheinMain University of Applied Sciences, Institute for Microtechnologies, Rüsselsheim, Germany
[2]University of Freiburg, Department of Microsystems Engineering, Freiburg, Germany

A high performance MEMS Pirani sensor (VAC_03) was designed and optimized based on analytics. Due to the fact that this MEMS Pirani sensor is a 3D-Object, the calculation of the thermal radiation by analytics is limited. As the radiation behavior in the system is, beside the solid ... Read More

Generalized Plane Piezoelectric Problem: Application to Heterostructure Nanowires new

H. T. Mengistu[1], A. García-Cristóbal[1]
[1]Material Science Institute, University of Valencia, Valencia, Spain

The possibility to dispose of two-dimensional (2D) approaches to problems originally posed in a three-dimensional (3D) geometry is always desirable since it reduces significantly the computing resources needed for numerical studies. In this work we report on a new 2D approach called ... Read More

Surface Plasmon Resonance Dependence on Size in Metallic Nano-Spheres new

K. Kluczyk[1], W. Jacak[1]
[1]Institute of Physics, Wrocław University of Technology, Wrocław, Poland

Surface plasmon resonance in metallic nanoparticles is highly and shape dependent, which enables varius applications in photovoltaics, photonics, sensing and even medicine. Particularly we observe redshift in plasmon resonance with increasing nanoparticle size. We investigate ... Read More

Efficient, Selective Piezoeletric Wave Transduction Using Interdigitated Electrodes new

H. T. D. Grigg[1], T. H. Hanley[1], B. J. Gallacher[1]
[1]Newcastle University, Newcastle, Tyne and Wear, UK

This work enunciates the principles of SAW design from a physical perspective, examining the standard engineering modelling assumptions in some detail. An integral form analytical expression based on 2D elastic isotropic theory is validated against a COMSOL Multiphysics® simulation, ... Read More

Modeling the Interaction of Light with Plasmonic Nanoparticles new

T. Gál[1], Ö. Sepsi[1], P. Koppa[1]
[1]Budapest University of Technology and Economics, Budapest, Hungary

Plasmonic nanoparticles have received increased interest due to their numerous potential applications in the field of optics and optoelectronics. Currently such metallic nanoparticles are applied in semiconductor devices, such as light emitting diodes (LEDs) and solar cells. The optical ... Read More

Simulations of Micropumps Based on Tilted Flexible Structures new

M. J. Hancock[1], N. H. Elabbasi[1], M. C. Demirel[2]
[1]Veryst Engineering, LLC, Needham, MA, USA
[2]The Pennsylvania State University, University Park, PA, USA

Pumping liquids at small scales is challenging because of the principle of reversibility: in a viscous regime, the flow streamlines through a fixed geometry are the same regardless of flow direction. Recently we developed a class of microfluidic pump designs based on tilted flexible ... Read More

Simulations of Micropumps Based on Tilted Flexible Structures new

M. J. Hancock[1], N. H. Elabbasi[1], M. C. Demirel[2]
[1]Veryst Engineering, LLC., Needham, MA, USA
[2]Pennsylvania State University, University Park, PA, USA

Pumping liquids at small scales is challenging because of the principle of reversibility: in a viscous regime, the flow streamlines through a fixed geometry are the same regardless of flow direction. Recently we developed a class of microfluidic pump designs based on tilted flexible ... Read More

Simulation of a Micro-Scale Out-of-plane Compliant Mechanism new

E. Rawashdeh[1], A. Arevalo[1], D. Castro[1], I. G. Foulds[2], N. Dechev[3]
[1]Computer, Electrical & Mathematical Sciences & Engineering Division (CEMSE), King Abdullah University of Science & Technology, Thuwal, Saudi Arabia
[2]School of Engineering, Okanagan Campus, The University of BC, Vancouver, BC, Canada
[3]University of Victoria, Victoria, BC, Canada

In this work we present the simulation of a micro-scale large displacement compliant mechanism called the Tsang suspension. It consists of a flat micro-plate anchored down by two springs on either side, that can rotate out-of-plane and maintain its vertical assembly by a simple single ... Read More

Support-Q Optimisation of a Trapped Mode Beam Resonator new

T. H. Hanley[1], H. T. D. Grigg[1], B. J. Gallacher[1]
[1]Newcastle University, Newcastle-Upon-Tyne, UK

Introducing a disorder into a finite periodic oscillatory system induces the presence of a 'trapped mode': a mode in which the displacement field is localised to the region of the disorder. A main inhibitor to MEMS resonators achieving a high quality (Q) factor is energy radiation ... Read More