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

Effect of Permeability Diminution in Nutrient Diffusion in Intervertebral Disc

M. A. Chetoui [1], O. Boiron [2], A. Dogui [3], V. Deplano [2],
[1] Université de Monastir, Ecole Nationale D'ingénieurs de Monastir; Ecole centrale Marseille, Marseille, France
[2] Aix-Marseille Université, CNRS, Ecole Centrale, Marseille, France
[3] Université de Monastir, Ecole Nationale D'ingénieurs de Monastir, Marseille, France

Intervertebral discs (IVD) are fibro-cartilages situated between vertebrae providing their joint flexibility. They play a major role in the transmission and absorption of load through the spine. The disc can undergo progressive structural and quantitative changes in its composition and ... Read More

Simulation and Parametric Study of a PDMS Based Valveless Micropump Using FSI Approach

R. R. Gidde [1], P. M. Pawar [1],
[1] SVERI's College of Engineering, Pandharpur, Maharashtra, India

In this paper simulation and parametric study of a PDMS valveless micropump using Fluid-Structure Interaction (FSI) appraoch is presented. The simulation for the valveless micropump were carried out in COMSOL Multiphysics software. In case of a valveless micropump diffuser/nozzle element ... Read More

Simulation of an AlN Thin Film Resonator for High Sensitivity Mass Sensors

M. Maitra [1], H. B. Nemade [1], S. Kundu [1],
[1] Indian Institute of Technology Guwahati, Guwahati, Assam, India

The objective of this paper is to show the simulation of a piezoelectric thin film device and its application as a sensor. Piezoelectric aluminum nitride thin film clamped at two ends is simulated using COMSOL Multiphysics software. The device consists of the piezoelectric thin film ... Read More

Modelagem Computacional de Difusores para Microbombas

A. G. S. Barreto Neto [1], A. M. N. Lima [2], C. S. Moreira [1],
[1] Instituto Federal de Ciência e Tecnologia - IFPB, João Pessoa, PB, Brasil
[2] Universidade Federal de Campina Grande - UFCG, Campina Grande, PB, Brasil

Este trabalho trata do dimensionamento da estrutura bocal/difusor utilizando a simulação computacional com fronteira móvel. Esse tipo de simulação contempla toda estrutura da bomba, isto é, câmara de bombeamento, difusor e área de dispersão de fluxo, de modo a contabilizar o refluxo em ... Read More

Optimization of Microstructures Used in CMOS-MEMS Devices Based on a Topological Design Process

J. Mares-Carreño [1], G. S. Abarca-Jiménez [2], M. A. Reyes-Barranca [2],
[1] Escuela Superior de Ingeniería Mecánica y Eléctrica, Instituto Politécnico Nacional, Ciudad de Mexico, D.F., Mexico
[2] Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, D.F., Mexico

The paper exhibits the process followed to obtain the geometry of a support for a MEMS inertial sensor by means of a topology optimization process. The SIMP method is used for the optimization process in which the objective is to obtain a support structure with a minimum rigidity ... Read More

Thermohydraulic Study of a Fixed Bed for the Core of a Nuclear Reactor

J. C. Almachi [1], J. A. Montenegro [1],
[1] Departamento de Formación Básica, Escuela Politécnica Nacional, Quito, Pichincha, Ecuador

The fixed beds have the advantage of large heat transfer area, for they are used in some designs of innovative nuclear reactors as the reactor FBNR. Inside of study of fixed beds is important to define the following parameters: flow minimum and velocity profile of cooling fluid, ... Read More

The Impact of Using Computer Models on Academic Performance of Engineering Students

M. Habibnezhad [1], J. Puckett [1], E. Musavi [1],
[1] Durham School of Architectural Engineering & Construction, University of Nebraska-Lincoln, Lincoln, NE, USA

Encouraging students to take on a Science, Technology, Engineering, and Math (STEM) major has recently been a top priority in the nation’s policy-making debates. STEM-related majors often time are deemed very difficult and demanding. Specifically, students tend to face difficulties to ... Read More

Aluminization Process from Ionic Liquid in Operative Conditions: Validation and Perspective

A. Giaccherini [1], E. Berretti [2], S. Martinuzzi [1], S. Caporali [1],
[1] INSTM, Firenze, Italy
[2] Department of Chemistry, University of Florence, Firenze, Italy

This work is a first evaluation of the validity of the frozen rotor approximation for the simulation of a stirred beaker. The agreement is good, further analysis will be carried before using the model to optimize labscale setup dedicated to IL electrochemistry. Read More

Thermal Characterization of Low-Melting-Temperature Phase Change Materials (PCM)

L. Salvador [1], J. Hastanin [1], F. Novello [2],
[1] Centre Spatial de Liège (CSL), Angleur, Belgium
[2] CRM Group, Liège, Belgium

The successful implementation of a high-efficient latent heat storage system necessitates an appropriate experimental approach to investigate and quantify the variations of the Phase Change Material (PCM) thermal properties caused by its aging, as well as its potential demixing induced ... Read More

Pulsed Electric Field Based Material Removal in Microelectrical Discharge Machining

T. Roy[1],, P. Ranjan[2], , R. Balasubramaniam[2]
[1]Homi Bhabha National Institute, Mumbai, India
[2]Bhabha Atomic Research Centre, Mumbai, India

Micro electrical discharge machining (MEDM), a scaled down version of EDM process, is a micro machining process used to fabricate micro holes and intricate shapes in electrically conductive materials irrespective of its hardness. In this process, an electric spark is generated in the gap ... Read More