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Papers and Presentations from the COMSOL Conference 2018

At the COMSOL Conference 2018, scientists and engineers from around the globe showcased their multiphysics simulation projects. See how researchers in your industry are currently using numerical modeling to optimize designs, streamline processes, and improve products by browsing the technical papers and presentations below. Use the Quick Search tool to find a specific presentation or filter by application area or conference location.

ISBN: 978-0-9910001-6-6

2018 - Allx

Finite Element Simulation of Impulse Arc Discharge

A. Chusov [1], E. Rodikova [1], M. Pinchuk [2], Y. Murashov [3], Vladimir Frolov [3], Dmitriy Ivanov [3],
[1] Streamer Electric Inc., St.Petersburg, Russia
[2] Institute for Electrophysics and Electrical Power, St.Petersburg , Russia
[3] St.Petersburg Polytechnical University, Russia

Damages caused by lightning overvoltages remains to be an important issue for electrical industry, putting limitations for efficiency of transmission and distribution of electrical energy. Modern solutions for lightning protection such as multichamber arresters (MCA) for overhead ... Read More

Simulation of Adsorption Mechanisms of Methane and Carbon Dioxide in Shale Matrix

J. G. Moreira [1], A. L. Manriquez [1],
[1] Texas A&M University - Kingsville, Kingsville, TX, USA

The aim of this research is to contribute with the development of Carbon Capture and Storage techniques by studying carbon dioxide (CO2) adsorption mechanisms in shale reservoirs. Gas desorption is considered a major gas production mechanism and has a relevant role in shale gas ... Read More


周俊杰 [1], 耿毫伟 [2],
[1] 中国河南省郑州市郑州大学
[2] 郑州大学

摘要 微通道换热器是一种高效换热设备,与普通换热器相比,微型换热器体积小,传热系数高,具有广泛的应用前景。微型换热器的实验研究存在较大的难度,而数值模拟则是深入研究微型换热器的重要方法。本文采用通用商用软件 comsol模拟了微型错流式换热器(MCHE)。 与传统换热器不同,微型换热器固体材料内部沿流体流动方向的热传导会显著地影响换热性能,而以往针对这方面研究是非常有限的。在本文中,通过数值模拟的方法研究了流速对MCHE温度场、压力场、换热系数、局部努塞尔数分布等的影响。 关键词:微型错流换热器,轴向导热,数值研究,总传热系数 Read More

The Numerical Challenges in Multiphysical Modeling of Laser Welding with ALE

I. Tomashchuk [1], I. Bendaoud [2], J.-M. Jouvard [1], P. Sallamand [1],
[1] Laboratoire Interdisciplinaire Carnot de Bourgogne, Université de Bourgogne-Franche-Comté, Le Creusot, France
[2] Laboratoire de Mécanique et Génie Civil, Université de Montpellier, France

The interaction of high power laser beam with metallic materials produces a number of interconnected phenomena that represent a serious challenge for numerical modeling, especially for creation of auto-consistent models. Additional difficulty consists in lack of data on materials ... Read More

Modeling Solid-Liquid Settling System as a Two-Phase Flow Problem

L. Gyurik [1], A. Egedy [1], Zs. Ulbert [1],
[1] University of Pannonia, Veszprém, Hungary

Sedimentation is a challenging two-phase problem to model and simulate. Many applications in the industry use sedimentation for separation. For example treatment of wastewater often carried out in settling basins. Different types of the sedimentation process include independent and zone ... Read More

Multi-objective Optimization of Microneedle Design for Transdermal Drug Delivery

M. Sarmadi [1], K. McHugh [1], R. Langer [1], A. Jaklenec [1],
[1] David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA

Microneedles have been recognized as a potent and novel method of transdermal drug delivery over the last decade. Despite recent advances in nano- and microfabrication techniques, less is known about the structural properties and design optimization of microneedles in a systematic ... Read More

COMSOL® Modeling and Tensile Loading of Aluminum Material Test Samples

J. L. Palladino [1],
[1] Trinity College, Hartford, CT, USA

Material test samples are commonly subjected to tensile testing, with an extensometer used to measure changes in length of the material to determine strain. Lacking an extensometer, strain gages were used to measure longitudinal and transverse strain, with the location and magnitudes of ... Read More

Keynote Talk: Audio Product Development at Samsung Audio Lab Better and Faster With Simulations

Andri Bezzola
Samsung Research America, USA

An audio loudspeaker is inherently a multiphysics apparatus: It converts an electrical signal to acoustic waves by moving a structural membrane via an electromechanical voice coil. As the signal travels from the record medium to the human ear, coupled linear as well as nonlinear ... Read More

Simulation of Laser Powder-bed Fusion Additive Manufacturing Process Using the COMSOL Multiphysics® software

K. Leung [1], A. Imanian [1],
[1] Technical Data Analysis, Inc., Falls Church, VA, USA

Additive manufacturing technology is becoming more popular for the fabrication of metal products as it offers rapid prototyping and large design freedom. However, part quality of components fabricated by current additive manufacturing technology is not comparable to that produced by ... Read More

Simulation of CVD Process in a Reactor

A. Kulkarni [1], F. Mumme [1], V. Frettlöh [1],
[1] Gemeinnützige KIMW Forschungs-GmbH, Lüdenscheid, NRW, Germany

Metal-organic chemical vapour deposition (MOCVD) is a well-known process to produce high quality thin films that can protect, ennoble and functionalize metallic tools. To realize a high performance coating on a complex 3D mold surface, knowledge about the material formation from a ... Read More