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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.
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An Evaluation of CO2 Sequestration in Organic-Rich Shales Using COMSOL Multiphysics®

R. Barati [1], S. Cudjoe [1],
[1] University of Kansas, Lawrence, KS, USA

Organic-rich shale resources remain an important source of hydrocarbons considering their substantial contribution to crude oil and natural gas production around the world. Moreover, as part of mitigating the greenhouse gas effects due to the emissions of carbon dioxide (CO2) gas, ... Read More

A Flow and Transport Model for Low-Temperature Gaseous Nitrocarburizing of Stainless Steels

J. Feng [1], M. Wettlaufer [1],
[1] Centre of Materials Engineering, Heilbronn University, Heilbronn, Germany

An integrated numeric, thermodynamic, and experimental analysis work was conducted to find out the proper flow and transport parameters of combined chemical species for low-temperature gaseous nitrocarburizing of stainless steels in an industrial furnace built for thermochemical ... Read More

翅片式声子晶体隔声性能的数值模拟

张秀海 [1], 屈治国 [1],
[1] 热流科学与工程教育部重点实验室，西安交通大学能动学院

引言声子晶体是一类结构或物理参数周期变化的材料，可以用来调控声波的传播。声子晶体在波导、隔声、吸声等领域具有潜在的应用。除此之外，研究学者还发现声子晶体具有一些新颖的功能，如负折射、负弹性模量、负质量密度等。受翅片式结构启发，本文设计了翅片式声子晶体（PCFs），并通过数值模拟研究了该类声子晶体的隔声性能。 COMSOL MULTIPHYSICS® 的使用模拟中采用COMSOL Multiphysics的声学模块和结构力学模块，采用完美匹配层以获得更好的模拟结果。结果本文模拟了翅片式声子晶体在6300 Hz时的声压场，并计算了传递损失 ... Read More

Structural Mechanics, Acoustics Module - Numerical Study of Loudspeaker Diaphragm Geometry

A. Mageswaran [1],
[1] DTU-Technical University of Denmark, Denmark

The study of loudspeaker diaphragm geometry is aimed to focus on how does the distribution of mass in the radial direction changes the ‘dynamic and acoustic response’ of the diaphragm. The geometry is subjected to concentrating the mass by changing the shape of our interest in a 2D ... Read More

Modeling the Hyperloop with COMSOL®: on the Aerodynamics Design of the EPFLoop Capsule

N. Riva [1], L. Benedetti [1], Z. Sajó [1],
[1] EPFL - EPFLoop, Lausanne, Switzerland

The Hyperloop is a concept system targeting passenger transportation aiming to carry people in a pod running in a high vacuum tube at 1200 km/h. In 2015, SpaceX announced that they would sponsor a Hyperloop pod design competition, because of their interest in helping to accelerate the ... Read More

Numerical Calculation of Effective Density and Compressibility Tensors in Periodic Porous Media: A Multi-Scale Asymptotic Method

C. Lee[1], M. Leamy[1], and J. Nadler[2]

[1]School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
[2]Georgia Tech Research Institute (GTRI), Georgia Institute of Technology

A major issue in predicting and controlling (via design) absorption properties of rigid porous media is the determination of the frequency-dependent effective density and compressibility tensors. Unlike previous research efforts which employ in-house and, oftentimes, multiple numerical ... Read More

PCCP Profiling and Tube Wave Analysis of WRE Signal

N. Chowdhury[1], Z. Liao[2], and L. Zhao[1]
[1]Department of Electrical & Computer Engineering, Ryerson University, Toronto, ON, Canada
[2]Department of Architectural Science, Ryerson University, Toronto, ON, Canada

Acoustic wave propagation due to the breakage or slippage of reinforced wire in water-filled prestressed concrete cylinder pipe (PCCP) attracts interest in non-destructive pipe testing. Current practice of acoustic emission (AE) detection and wire-break related events (WRE) recognition ... Read More

Modeling Directional Two Arm Archimedes Spiral Coils in the RF Electromagnet Range

A. Kalinowski, and J. Maguire
Naval Undersea Warfare Center/Div. Npt. , Newport, RI, USA

The paper addresses a class of problems for modeling and consequently simulating the electromagnetic field radiation pattern from a two arm Archimedes spiral coil. The performance of particular interest is knowledge of the radiated magnetic field H and electric field E in the ... Read More

Finite-Element Evaluation of Thermal Response Tests Performed on U-Tube Borehole Heat Exchangers

E. Zanchini, and T. Terlizzese
[1]Dipartimento di Ingegneria Energetica, Nucleare e del Controllo Ambientale, Università di Bologna, Bologna, Italy

The results of two thermal response tests recently performed on two vertical borehole heat exchangers (BHEs) are presented. The BHEs have the same cross section and a depth of 100 m and 120 m respectively. The evaluation of the thermal properties of the ground and grout are ... Read More

Modeling of snRNP Motion in the Nucleoplasm

M. Blaziková[1], J. Malínský[2], D. Stanek[3], and P. Herman[1]
[1]Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
[2]Institute of Experimental Medicine, Prague, Czech Republic
[3]Institute of Molecular Genetics, Prague, Czech Republic

Small nuclear ribonucleoprotein particles (snRNPs) are essential supramolecular complexes involved in pre-mRNA splicing, the process of post-transcriptional RNA modifications. The particles undergo complex assembly steps inside the cell nucleus in a highly dynamic compartment called the ... Read More

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