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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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Design and Simulation of MEMS Based Piezoelectric Vibration Energy Harvesting System

M. C. B. Kumar[1], D. B. Prabhu[1], R. Akila[1], A. Gupta[1], M. Alagappan[1]
[1]PSG College of Technology, Coimbatore, Tamil nadu, India

This paper discusses the simulation studies on a vibration based energy harvesting system to convert the undesirable mechanical vibration to useful green power. The design consists of a resonating proof mass and a spring system enclosed in housing and fixed on the source of vibration. A ... Read More

Analysis of Stress-induced Pockels Effect in Silicon Waveguides

C. L. Manganelli [1], P. Pintus [1], C. Bonati [2], F. Di Pasquale [1]
[1] Scuola Superiore Sant'Anna, Pisa, Italy
[2] INFN - Sezione di Pisa, Pisa, Italy

The recently discovered Pockels effect in strained silicon has made silicon a promising candidate material for optical modulators and switches. In this work, we propose a model that links the electro-optic effect to the applied strain (in fact to the strain gradient). This model may be ... Read More

Design and Simulation of A MEMS Based Horseshoe Shaped Low Current Lorentz Deformable Mirror (LCL-DM)

B. Park [1], T. Chen [1], C. Shafai [1],
[1] Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, Canada

This poster presents the design and analysis of a novel horseshoe shaped MEMS actuator for adaptive optics. The actuation mechanism is Lorentz force enabling low current (below 10 mA) operation. The actuator combined with an overlying aluminum coated SU-8 soft polymer membrane for the ... Read More

Maximizing Wireless Power Transfer Using Ferrite Rods within Telemetric Devices for Rodents

B. M. Badr [1], R. Somogyi-Csizmazia [1], K. R. Delaney [1], N. Dechev [1],
[1] Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada

A number of medical and research applications require implantable devices to locally stimulate internal organs and communicate the internal vital signals to the outer world. Wireless power transfer (WPT) technique is used to supply power to these devices. The power is transferred ... Read More

Comparison of 2D and 3D FEM Models of Eddy Current Pressure Tube to Calandria Tube Gap Measurement

G. Klein [1], J. Morelli [1], T. Krause [2],
[1] Queen's University, Kingston, ON, Canada
[2] Royal Military College of Canada, Kingston, ON, Canada

Two different Finite Element Method (FEM) models of the CANDU® nuclear fuel channels were compared against experimental data to determine if the curvature of the fuel channels is necessary to consider for measurements of the pressure tube to calandria tube gap. The different models were ... Read More

3D-FEM Simulation of a Transverse Flux Machine Respecting Nonlinear and Anisotropic Materials

S. Müller [1], M. Keller [1], A. Echle [1], A. Enssle [1], P. Präg [1], A. Lusiewicz [1], D. Maier [1], N. Parspour [1],
[1] Institute of Eletrical Energy Conversion, University of Stuttgart, Stuttgart, Germany

The paper presents the three dimensional (3D) Finite Element Method (FEM) COMSOL Multiphysics® model of a Three Phase Permanent Magnetic Excited Transverse Flux Machine (TFM). The model is fully parameterized and able to sweep over all parameters during design optimization process. The ... Read More

Development of a Package for a Triaxial High-G Accelerometer Optimized for High Signal Fidelity

R. Langkemper [1], R. Külls [1], J. Wilde [2], S. Nau [1], S. Schopferer [1],
[1] Fraunhofer-Institut für Kurzzeitdynamik, Ernst-Mach-Institut, EMI, Freiburg, Germany
[2] Albert-Ludwigs-Universität Freiburg, Institut für Mikrosystemtechnik, Freiburg, Germany

Acceleration is an important quantity to be measured in high-speed dynamics. A new piezoresistive sensor for the measurement of high-amplitude, short-duration transient accelerations of up to 100,000 g has been developed at the Fraunhofer EMI. Its figure of merit (sensitivity x resonance ... Read More

An All-Purpose Full-Vectorial Finite Element Model for Arbitrarily Shaped Crossed-Gratings

G. Demésy[1], F. Zolla[1], A. Nicolet[1], and M. Commandré[1]
[1]Institut Fresnel, Université Aix-Marseille III, École Centrale de Marseille, France

We demonstrate the accuracy of the Finite Element Method (FEM) to characterize an arbitrarily shaped crossed-grating in a multilayered stack illuminated by an arbitrarily polarized plane wave under oblique incidence. To our knowledge, this is the first time that 3D diffraction ... Read More

Study of Hard-and Soft- Magnetorheological Elastomers (MRE’s) Actuation Capabilities

J. Roche[1], P. Von Lockette[1], and S. Lofland[2]
[1]Mechanical Engineering Dept., Rowan University, Glassboro, NJ
[2]Physics and Astronomy Dept., Rowan University, Glassboro, NJ

In this study, magneto-rheological elastomer (MRE) composite beams made of Barium hexaferrite (BaM) and Iron (Fe) powders combined with a highly-compliant matrix material were simulated using COMSOL\'s Solid Mechanics and AC/DC modules. The goal of the work was to develop models capable ... Read More

Modeling of Transport Phenomena in Gas Tungsten Arc Welding of Ni to 304 Stainless Steel

A. Bahrami[1], D. K. Aidun[1]
[1]MAE Department, Clarkson University, Potsdam, NY, USA

COMSOL Multiphysics® is used to simulate the transport phenomena in arc welding of Nickel to 304SS. Electric Currents (ec) and Magnetic Fields (mf) are used to solve for the Lorentz force which is one of the volume forces. Laminar Flow (spf) is used to simulate flow field. The Lorentz ... Read More

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