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Ingenieure, Forscher und Wissenschaftler aus allen Branchen nutzen die Multiphysik-Simulation, um innovative Produktdesigns und -prozesse zu erforschen und zu entwickeln. Lassen Sie sich von Fachbeiträgen und Vorträgen inspirieren, die sie auf der COMSOL Conference präsentiert haben. Durchsuchen Sie die untenstehende Auswahl, verwenden Sie die Schnellsuche, um eine bestimmte Präsentation zu finden, oder filtern Sie nach einem bestimmten Anwendungsbereich.

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Suchbegriff:

Some Benchmark Simulations for Flash Flood Modeling

E. Holzbecher [1], A. Hadidi [1],
[1] German University of Technology in Oman, Muscat, Oman

Flash floods are sudden and mostly destructive rushes of water down narrow gullies or over sloping surfaces. They are mostly caused by heavy rainfall in the upstream watershed. They may also appear as result of catastrophic events as dam or levee breaks, or mudslides or debris flow. ... Mehr lesen

Parametric Study of Electrolyte-Supported Planar Button Solid Oxide Fuel Cell

A. Aman[1], R. Gentile[1], Y. Xu[1], N. Orlovskaya[1]
[1]Department of Mechanical, Materials and Aerospace Engineering, University of Central Florida, Orlando, FL, USA

Fuel cells are devices that convert chemical energy of a fuel into electrical energy through electrochemical processes. One of the types of fuel cell is the Solid Oxide Fuel Cell (SOFC) that uses solid ceramics for electrolytes. Numerical simulation involves constructing a mathematical ... Mehr lesen

Simulation Apps for Teaching Engineering Delivered via COMSOL Server™

W. M. Clark [1],
[1] Worcester Polytechnic Institute, Worcester, MA 01609, US

In the Chemical Engineering Department at Worcester Polytechnic Institute we use COMSOL Multiphysics® not only as a modeling tool for research and to teach applied math modeling to advanced students, but also as a convenient tool to help undergraduates learn engineering fundamentals. In ... Mehr lesen

Solving Time-Dependent Optimal Control Problems in COMSOL Multiphysics

I. Neitzel[1], U. Prüfert[2], and T. Slawig[3]
[1]DFG priority program SPP 1253, Technische Universität Berlin, Berlin, Germany
[2]DFG research center Matheon, Technische Universität Berlin, Germany
[3]DFG Cluster of Excellence The Future Ocean, DFG priority progam SPP 1253, Christian-Albrechts-Universität zu Kiel, Kiel, Germany

We use COMSOL Multiphysics to solve time-dependent optimal control problems for partial differential equations whose optimality conditions can be formulated as a PDE. For a class of linear-quadratic model problems we summarize known analytic results on existence of solutions and first ... Mehr lesen

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 ... Mehr lesen

Software Management Plan for Grade D Acquired Software COMSOL

This document has been produced by Washington River Protection Solutions, LLC on behalf of the Department of Energy (DOE) for the use of COMSOL when simulating applications related to DOE's waste management. COMSOL has been classified as a grade D acquired software program and this ... Mehr lesen

Implementation of COMSOL Multiphysics® in Simulink® S-Functions, Revisited

A.W.M. van Schijndel[1]
[1]Eindhoven University of Technology, Eindhoven, The Netherlands

COMSOL Multiphysics® has standard facilities to export models to SimuLink®. Normally, the standard export works well if the solvers, available in SimuLink, can handle the problem. However, if a model in COMSOL Multiphysics® needs special solvers, for example airflow or other non-linear ... Mehr lesen

Implementation of a Modified Anisotropic Creep Model for Clays with Use of the Physics Builder

M. Karlsson [1], J. Yannie [1],
[1] Chalmers University of Technology, Gothenburg, Sweden

In this work a modified anisotropic creep model with structure for soft soils was implemented by using the Physics Builder. The model is validated against boundary value laboratory test such as undrained tri-axial tests and CRS (constant rate of strain) tests. The implemented user ... Mehr lesen

Simplified CFD Modeling of Air Pollution Reduction by Means of Greenery in Urban Canyons

S. Lazzari [1], K. Perini [1], E. R. di Schio [2], E. Roccotiello [3],
[1] University of Genova, Dept. of Sciences for Architecture, Genova, Italy
[2] University of Bologna, Dept. of Industrial Engineering, Bologna, Italy
[3] University of Genova, Dept. of Sciences of Earth, Environment and Life, Genova, Italy

As known, air quality in urban areas is dramatically affected in particular by the noteworthy presence of respirable suspended particulate matter (such as PM2.5), nitrogen oxides (NOx), carbon monoxide (CO) and hydrocarbons (HC), which are mainly due to traffic-induced emissions. On the ... Mehr lesen

Inclusive Routine of the Soil Surface Energy Balance in COMSOL Multiphysics®

M. Bortoloni[1], M. Bottarelli[2], Y. Su[3]
[1]Department of Engineering, University of Ferrara, Este, Italy
[2]Department of Architecture, University of Ferrara, Este, Italy
[3]Faculty of Engineering, University of Nottingham, Nottingham, UK

In ground-coupled heat pumps (GCHPs) the coupling between heat pumps and ground occurs by means of ground heat exchangers, that can be installed vertically inside boreholes (BHEs) or horizontally (HGHEs). In the horizontal installation, the heat exchangers are placed in shallow trenches ... Mehr lesen

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