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COMSOL Conference 2024 論文集を見る

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Genetic Algorithm for Geometry Optimization of Optical Antennas

R. Diaz de Leon [1], G. Gonzalez [1], A. G. Rodriguez [1], E. Flores [2], F. J. Gonzalez [1],
[1] Universidad Autonoma de SLP, San Luis Potosi, S.L.P., Mexico
[2] Instituto Tecnologico de SLP, San Luis Potosi, S.L.P., Mexico

A genetic algorithm was programmed in MATLAB® software and linked to the COMSOL Multiphysics® software with the COMSOL LiveLink™ for MATLAB® to optimize the geometry of an optical antenna (nanoantenna). The proposed computational model demonstrated that nanoantenna geometries does not ... 詳細を見る

Modeling of the Transient Thermal Response in Solids for Application to IR-PTR

J. Hernández Wong [1], J. B. Rojas [2], J. A. Calderon Arenas [2], E. Marin Moares [2], V. Suarez Quezada [3], L. Olivo Arias [2],
[1] Catedrás CONACyT-Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Mexico City, Mexico
[2] Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Mexico City, Mexico
[3] Catedrás CONACyT-Universidad Autónoma Metropolitana, Iztapalapa, Mexico

In this work, theoretical and numerical models solved by COMSOL Multiphysics® for the heat diffusion in homogenous solids, suitable to be used in the infrared photothermal radiometry technique, are presented. The theoretical calculations and the numerical simulations were obtained by ... 詳細を見る

Iterative Electric Potential Adjustment of Damaged Naval Vessels Using the Onboard ICCP-System

C. Thiel [1], K. Neumann [1], C. Broecheler [1], F. Ludwar [2], A. Rennings [1], J. Doose [2], D. Erni [1],
[1] General and Theoretical Electrical Engineering (ATE), University of Duisburg-Essen, and CENIDE – Center for Nanointegration Duisburg-Essen, Duisburg, Germany
[2] Technical Center for Ships and Naval Weapons, Naval Technology and Research (WTD 71), Eckernförde, Germany

Naval vessels involuntary communicate with their surrounding environment via different signatures, which can be separated in acoustic, electric, magnetic, seismic and pressure signatures. The electric signature, also known as Underwater Electric Potential (UEP)-Signature is mainly caused ... 詳細を見る

Finite Element Modeling for Inspection of CANDU® Steam Generators

S. G. Mokros[1], P. R. Underhill[2], J. Morelli[1], T. W. Krause[2]
[1]Department of Physics, Engineering Physics & Astronomy, Queen's University, Kingston, ON, Canada
[2]Department of Physics, Royal Military College of Canada, Kingston, ON, Canada

Steam generators (SGs) are used in CANDU® nuclear reactors as heat exchangers to convert water into steam using heat generated in the reactor core. Ferrous trefoil broach support structures prevent excessive vibration of thousands of SG tubes. A probe that uses pulsed eddy current (PEC) ... 詳細を見る

Microfluidic Simulation of a Separation System of T.cruzi from Blood Samples

S. L. Florez [1], M. J. Noguera [1], A. L. Campaña [1], J. C. Cruz [1], J. F. Osma [2],
[1] Department of Biomedical Engineering, University of Los Andes, Bogotá, Colombia
[2] Department of Electrical and Electronics Engineering, Microelectronics Center, University of Los Andes, Bogotá, Colombia

In 2014, it was estimated that there are between 6 to 7 million people worldwide infected by Chagas disease and approximately 25 million people are currently at risk. The parasite Trypanosoma cruzi (T. cruzi) causes this disease and according to the World Health Organization (WHO) it can ... 詳細を見る

Methods to Optimize Plasmonic Structure Integrated Single-Photon Detector Designs

M. Csete[1], G. Szekeres[1], B. Banhelyi[2], A. Szenes[1], T. Csendes[2], G. Szabo[1]
[1]Department of Optics and Quantum Electronics, University of Szeged, Szeged, Hungary
[2]Department of Computational Optimization, University of Szeged, Szeged, Hungary

Introduction: Predesigned plasmonic structures are capable of enhancing optical phenomena, the key concept is tailoring the integrated devices' composition to engineer the spectral response and near-field distribution [1]. Our previous studies have shown that three-quarter-wavelength ... 詳細を見る

Modeling the Acoustic Scattering from Objects Buried in Porous Sediment Using COMSOL Multiphysics® Software

A. Bonomo [1], M. Isakson [1],
[1] Applied Research Laboratories, The University of Texas at Austin, Austin, TX, USA

A frequency-domain finite element (FE) technique for computing the acoustic scattering from axially symmetric fluid-loaded structures subject to a nonsymmetric forcing field based on Ref. 1 is extended to poroelastic media and implemented in COMSOL Multiphysics® software. This method ... 詳細を見る

Finite Element-Based Characterization of Viscoelastic Materials

X. Song [1], S. Dircks [1], D. Mirosnikov [1], B. Lassen [2],
[1] Mads Clausen Institute, SDU, Sønderborg, Denmark
[2] DONG Energy, Fredericia, Denmark

The objective of this study is to acquire a full characterization of a hyper-elastic material. The process is realized by performing a Dynamic Mechanical Analysis (DMA) with a viscoelastic material, which is extended by image processing algorithms in order to measure the changing ... 詳細を見る

Numerical Study on Shear Horizontal Electromagnetic Acoustic Transducers for Generation of Ultrasonic Guided Waves for Absorber Tubes used in Concentrated Solar Plants

L. Cheng[1], A. Mohimi[1], M. Kogia[1], V. Kappatos[1], C. Selcuk[1], T.-H. Gan[1]
[1]Brunel Innovation Centre, Brunel University, Uxbridge, UK

Absorber tubes are one of the most critical components of parabolic trough Concentrated Solar Plants, which is very likely get damaged such as crack and mass loss. Therefore, the monitoring of their structural health via Non-Destructive Testing (NDT) techniques is regarded as essential ... 詳細を見る

Electron Drift in Xe Gas

T. J. Berger [1],
[1] Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, Troy, NY, USA

The XENON Dark Matter Experiment utilizes ultra-pure xenon (Xe) as a target for particle interaction in the effort to detect dark matter particles. To measure the purity of Xe, a gas purity monitor (GPM) is being developed which drifts electrons through Xe gas to detect impurities that ... 詳細を見る

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