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 2018 Collection

Multiphysics Process Simulation of the Electromagnetic-Supported Laser Beam Welding

M. Bachmann, V. Avilov, A. Gumenyuk, and M. Rethmeier
BAM Federal Institute for Materials Research and Testing
Berlin, Germany

The article deals with the magnetically-supported high-power full-penetration laser beam welding of aluminum. A stationary simulation was conducted accounting for the effects of natural convection, Marangoni convection and solid-liquid phase transition as well as an electromagnetic ... Read More

Modeling of Stockton University Geothermal System Using COMSOL Multiphysics® and the Subsurface Flow Module

M. Sharobeam [1], S. Pal [1], G. Villanuna [1],
[1] School of Natural Sciences and Mathematics, Stockton University, Galloway, NJ, USA

Stockton University has one of the largest closed loop geothermal system in North America. It provides heating and cooling for the university academic facilities. The well field comprises of a grid of four hundred wells bored to a depth of 130m. The ground is composed of three aquifers ... Read More

Ion Concentration and Electromechanical Actuation Simulations of Ionic Polymer-Metal Composites

K. J. Kim [1], T. Stalbaum [1], Q. Shen [1],
[1] Department of Mechanical Engineering, University of Nevada, Las Vegas, NV, USA

Ionic polymer-metal composite (IPMC) materials are promising candidates for soft robotics and artificial muscle applications. The primary actuation mechanism in such devices is ion migration in a polymer membrane, localized swelling, and a corresponding overall material deformation, ... Read More

Simulation and Validation of Pan Evaporation Rates Using COMSOL Multiphysics® Software

L. J. Matel [1]
[1] Green Streets Infrastructure LLC, Seattle, WA, USA

The four foot diameter class A evaporation pan is used by the scientific community as the standard for determining evaporation rates for a number of purposes. The COMSOL Multiphysics® software provides the necessary tools to adequately develop synthetic estimates of evaporation values ... Read More

Modeling Degradation in Lithium-Sulfur Batteries

R. Purkayastha [1], G. Minton [1], L. O'Neill [1], S. Walus [1], M. Wild [1], M. Marinescu [2], T. Zhang [2], G. Offer [2]
[1] Oxis Energy Ltd, Culham Science Centre, Abingdon, Oxfordshire, United Kingdom
[2] Mechanical Engineering Department, Imperial College, London, United Kingdom

Two Anode Surface processes are examined : Formation of Solid Electrolyte Interphase (SEI) and heating due to Shuttle Current. During charging, higher order sulfur species are reduced at the anode surface, while they are concurrently being oxidized at the cathode. This leads to the ... Read More

Simulation of a Dual Axis MEMS Seismometer For Building Monitoring System

M. A. Shah [1], F. Iqbal [1], B. L. Lee [1],
[1] Korea University of Technology and Education, Cheonan, Chungcheong, South Korea

A dual axis MEMS seismometer targeted for building monitoring system has been simulated for a full scale of ±5g acceleration. The design uses the capacitive effect for vibration sensing. This comb drive capacitive MEMS seismometer consists of 8 springs with two proof masses. The device ... Read More

Influence of Electrode Kinetics on Lithium-ion Battery Characteristics

H. Machrafi[1,2], S. Cavadias[2]
[1]University of Liège, Thermodynamics of Irreversible Phenomena, Liège, Belgium
[2]University Pierre et Marie Curie, Laboratoire des Procédés Plasma et Traitement de Surface, Paris, France

The purpose of this work is to show whether an important difference in Lithium solid concentration and electrolyte concentration can be observed in a Lithium-ion battery model, when considering either the Butler-Volmer kinetics or the Tafel kinetics for describing the electrode kinetics ... Read More

Design of MEMS Based 4-Bit Shift Register

V. B. Math[1], B. G. Sheeparamatti[1], A. C. Katageri[1]
[1]Basaveshwar Engineering College, Bagalkot, Karnataka, India

This paper presents a unique design of MEMS based 4-bit shift register that perform shifting operation same as logic devices that are composed of solid-state transistors. The MEMS shift register design inherits all the advantages from MEMS switches and thus is expected to have more ... Read More

Validation of COMSOL Multiphysics® for PWR Power Distribution via 3D IAEA PWR Benchmark Problem

A. Y. Soliman [1],
[1] Department of Nuclear Engineering, King Abdulaziz University, Jeddah, Saudi Arabia Kingdom

Design of the Pressurized Water Reactors (PWRs) involves extensive calculations to verify the reactor safety criteria such as power peaking factor during the reactor lifetime. Coupling of neutronic calculations, thermal hydraulic calculations and other reactor phenomena requires a ... Read More

Universal Dielectric Response of Atmospheric Ice Using COMSOL Multiphysics®

U.N. Mughal[1], M.S. Virk[1], K. Zaman[1]
[1]Narvik University College, Narvik, Norway

Heterogeneous materials with different phases, are conductive and insulating (dielectric), and are physically present in different natural materials as e.g. atmospheric ice. Jonscher’s proposed ‘universal dielectric response’ is not sufficient for such materials, as it only reflects ... Read More