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Multiphysics modeling and simulation drives innovation across industries and academia — as is evidenced by the many uses showcased in the technical papers and posters presented by engineers, researchers, and scientists at the COMSOL Conference each year.

Draw inspiration from the recent proceedings collected below, or, to find a specific presentation or filter by application area or conference year/location, use the Quick Search tool.

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Phase-field Method in Analysis of Nanocomposite Morphological Stability

A. Klishin[1], M. J. Demkowicz[1]
[1]Massachusetts Institute of Technology, Cambridge, MA, USA

Cu-Nb multilayer nanocomposite has prospective applications in nuclear industry because of its ability to self-heal from radiation damage. The goal of the study is to find a suitable joining method for the composite to produce industrial-scale pieces, free of defects threatening the ... Read More

Finite Element Analysis of a Bipolar-Electrochemistry Based Water Sensor

J. Castro¹
¹Colorado College, Colorado Springs, CO, USA

This work computationally characterizes a new bipolar electrochemical sensing scheme recently developed for inexpensive detection of heavy metals in water. The sensing scheme employs a two-step optical anodic strip voltammetry protocol that couples a closed bipolar electrochemical cell ... Read More

Simulation of the Additive Process of Forming 3D Products from HSLA Steel 09G2S

V. A. Kostin [1], G. M. Grygorenko [1]
[1] Department of Materials Science, E. O. Paton Electric Welding Institute, Kiev, Ukraine

The results of modeling of thermal fields, stresses, deformations and displacements in formation of an additive structure from structural low alloy steel for welding 09G2S on a substrate are presented. An interdisciplinary research computational package COMSOL Multiphysics® was used for ... Read More

Simulation Methods on Virtual Laboratories for Characterization of Functionalized Nanostructures

E. Lacatus [1], G. C. Alecu [2], A. Tudor [3], M. Sopronyi [4],
[1] Polytechnic University of Bucharest, Bucharest, Romania
[2] Groupe Renault, Bucharest, Romania
[3] STAR STORAGE,Bucharest, Romania
[4] National Institute for Laser, Plasma and Radiation Physics, Magurele, Romania
[5] Polytechnic University of Bucharest, Bucharest, Romania

Within the emerging integrative concept of IoT (Internet of Things) and IIoT (Industrial Internet of Things) that are paving the way towards Digital Manufacturing Technologies and the next paradigm shift of Industry 4.0, R&D Laboratories have to be at the forefront of the ... Read More

Evaluating Nanogaps in Ag and Au Nanoparticle Clusters for SERS Applications Using COMSOL Multiphysics®

R. Asapu [1], R. Ciocarlan [2], N. Claes [3], N. Blommaerts [1], S. Bals [3], P. Cool [2], S. Denys [1], S. Lenaerts [1], S. W. Verbruggen [1]
[1] Department of Bioscience Engineering, DuEL Research Group, University of Antwerp, Belgium
[2] Department of Chemistry, PLASMANT Research Group, University of Antwerp, Belgium
[3] Department of Physics, EMAT Research Group, University of Antwerp, Belgium

Silver and gold nanoparticles are widely used in the field of surface enhanced raman spectroscopy (SERS) because of the unique plasmonic properties. Plasmons or surface plasmon resonance result from the wavelength dependent dielectric properties of noble metals like Ag, Au, Pt etc., ... Read More

Investigating a Tensor Formulation to describe the Magnetic Structure of Soft Magnetic Materials

O. Maloberti [1], M. Nesser [2], E. Salloum [2], J. Fortin [2], S. Panier [2], P. Dassonvalle [1], C. Pineau [3], M. Caruso [4], J-P. Birat [3], I. Tolleneer [4],
[1] ESIEE Amiens, France
[2] UPJV-LTI, France
[3] IRT-M2P, France
[4] CRM Group, France

Most of existing material representations [1], even including the dynamic hysteresis and iron losses [2], ignore local microscopic non-uniformities. These concern the magnetic structure (domains and walls [3]) and are mainly due to surface effects, anisotropy and exchange [4]. One ... Read More

Improving Natural Convection in Redox Flow Batteries

Md Aslam Ansari [1], Dr. Sanjeev Kumar [1],
[1] Indian Institute of Science, Bangalore, Karnataka, India

Harvesting of renewable energy requires efficient energy storage systems. Rechargeable flow batteries offer certain advantages over other energy storage techniques in use, such as the lifting of water, compression of air, flywheel, etc. In a flow battery, electrolyte flowing through ... Read More

Coupled Optical & Thermal Model of a Silicon Microprobe

Cs. Ö. Boros [1], Sz. Beleznai [1], P. Koppa [1], Z. Fekete [2], Á. Cs. Horváth [3]
[1] Department of Atomic Physics, Budapest University of Technology and Economics, Budapest, Hungary
[2] MTA EK NAP B Research Group for Implantable Microsystems, Budapest, Hungary
[3] Óbuda University Doctoral School of Material Science & Technology, Budapest, Hungary

The topic of my work is modeling of a multimodal waveguide microprobe which is suitable for deep brain infrared stimulation. The goal of the research is the investigation of the therapeutic effect of optical IR excitation on biological active substances. In the physical model I ... Read More

血管对肿瘤的光热疗法的影响

吴淑莲 [1], 李晖 [2], 李志芳 [2],
[1] 福建师范大学，福州，中国
[2] 福建师范大学，福州，中国

引言：激光诱导间质肿瘤热疗法是一种可使生物组织局部地方凝结坏死的肿瘤疾病治疗方法，目前已经用于肝、脑等各部位的肿瘤治疗[1-2]。为了更好地进行肿瘤疾病的治疗，需要实时地对组织的温度和热损伤进行监控，而检测技术很难实现对肿瘤治疗过程的实时监测，故数值计算成为研究光热疗法的有力工具[2-6]。本模型将生物组织光传输的物理场与热传输的物理场相耦合，考虑组织光热参数随温度变化的情况，研究了肿瘤周围含有大动脉的情况时组织的温度分布随时间的变化情况，研究结果对指导临床医学肿瘤治疗有重要意义。 COMSOL Multiphysics® 的软件使用：几何模型：如图1所示 ... Read More

Designing Piezoelectric Interdigitated Microactuators using COMSOL

O. Myers [1], M. Anjanappa [2], and C. Freidhoff [3]

[1] Mississippi State University, Mississippi State, MS, USA
[2] University of Maryland Baltimore County, Baltimore, MD, USA
[3] Northrop Grumman Corporation, Electronics Systems Sector, Baltimore, MD, USA

This paper presents a methodology towards designing, analyzing and optimizing piezoelectric interdigitated microactuators using COMSOL Multiphysics. The models used in this study were based on a circularly interdigitated design that takes advantage of primarily the d{;sub}33 ... Read More

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