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Multiphysik-Modellierung und -Simulation treiben Innovationen in Industrie und Wissenschaft voran – wie die zahlreichen Anwendungsbeispiele zeigen, die jedes Jahr in den Fachbeiträgen und Postern von Ingenieuren, Forschern und Wissenschaftlern auf der COMSOL Conference vorgestellt werden. Lassen Sie sich von den unten aufgeführten aktuellen Beiträgen inspirieren oder nutzen Sie die Schnellsuche, um eine bestimmte Präsentation zu finden oder nach Anwendungsbereich oder Konferenzjahr/-ort zu filtern.

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Design and Simulation of a Microscale Magnetophoretic Device for the Separation of Nucleated Fetal Red Blood Cells from Maternal Blood

G. Schiavone[1], D.M. Kavanagh[2], and M.P.Y Desmulliez[2]

[1]Politecnico di Torino, Torino, Italy
[2]MIcroSystems Engineering Centre, School of Engineering & Physical Sciences, Heriot-Watt University, Edinburgh, Scotland, United Kingdom

Intense research has been carried out into methods that aim at harvesting fetal cells from maternal blood as substitutes to amniocentesis and chorionic villus sampling. This work focuses on the separation of fetal nucleated red blood cells from the maternal circulation based on their ... Mehr lesen

Modeling the Behavior of Phased Arrays in Brain Tissue: Application to Deep Brain Stimulation

V. Valente[1], A. Demosthenous[1], and R. Bayford[2]

[1]Department of Electronic & Electrical Engineering, University College London, London, United Kingdom
[2]Department of Natural Sciences, Middlesex University, London, United Kingdom

Deep Brain Stimulation (DBS) is a therapeutic tool used for a number of neurological disorders including chronic pain, incontinence and movement disorders, such as Parkinson’s disease. DBS consists of the low-frequency stimulation of an area of the brain, known as basal ganglia. ... Mehr lesen

Impedance Spectroscopy and Cell Constant of the Electrodes for Deep Brain Stimulation

E. Vinter[1], S. Petersen[1], J. Gimsa[2], and U. van Rienen[1]

[1]Institute of General Electrical Engineering, University of Rostock, Rostock, Germany
[2]Institute of Biology, University of Rostock, Rostock, Germany

To achieve a deeper understanding of the mechanism of the Deep Brain Stimulation (DBS) scientists use more and more numerical simulations. DBS inhibits overreaching brain activity via electric pulses that send into the brain by electrodes. Different electrode parameters such as geometry, ... Mehr lesen

Modeling Contaminant Diffusion in Highly Complex Rock Structures

N. Diaz[1], A. Jakob[1], L. Van Loon[1], and D. Grolimund[2]
[1]Paul Sherrer Institut NES/LES, Villigen PSI, Switzerland
[2]Paul Sherrer Institut NES/SLS, Villigen PSI, Switzerland

Opalinus clay is currently being proposed as a potential host rock for radioactive waste repository in deep geological formation. It is then important for performance assessments to understand the transport properties of such rocks. Clay materials are characterized by low hydraulic ... Mehr lesen

Thin Membrane Modelling for the Electrical Stimulation of Auditory Nerve

A. Grünbaum[1], S. Petersen[1], H.W. Pau[2], and U. van Rienen[1]

[1]IEF funded by DFG Research Training Group 1505/1 Welisa, University of Rostock, Rostock, Germany
[2]Otolaryngology “Otto Körner”, University of Rostock, Rostock, Germany

Modeling of 2-5 μm thin membranes into a cochlea with a width of 2 cm is computationally. The paper is focused on two approximative methods used to overcome this problem and in addition a simple model challenging of a plate capacitor with a thin membrane of different thickness in ... Mehr lesen

Modeling with COMSOL the Interaction Between Subducting Plates and Mantle Flow

J. Rodríguez-González[1], A.M. Negredo[1], P. Petricca[2], and E. Carminati[2][3]

[1]Departamento de Geofísica y Meteorología, Facultad de CC. Físicas, Universidad Complutense de Madrid, Madrid, Spain
[2]Dipartimento di Scienze della Terra, Università di Roma La Sapienza, Roma, Italy
[3]Istituto Geologia Ambientale e Geoingegneria – CNR, Roma, Italy

Subduction processes have great importance as are related to volcanism and earthquake occurrence. Old and cold plates should subduct steeper than younger ones, but the subduction angle is highly variable and does not always correlate with the age of the plates. Some researchers propose a ... Mehr lesen

Hydro-Mechanical Coupling in Saturated and Unsaturated Soils and its Consequences on the Electrical Behaviour

G. Della Vecchia[1], R. Cosentini[1], S. Foti[1], and G. Musso[1]

[1]DISTR, Politecnico di Torino, Torino, Italy

The consequences of hydromechanical coupling on the electrical conductivity of saturated and unsaturated soils are investigated experimentally and numerically. Simulations of the consolidation problem under vertical load for an elastic medium and of the coupled flow of two immiscible ... Mehr lesen

A Semplified Model for the Evolution of a Geothermal Field

L. Meacci[1], A. Farina[1], F. Rosso[1], I. Borsi[1], M. Ceseri[1], and A. Speranza[1]

[1]Dipartimento di Matematica U. Dini, Università degli Studi di Firenze, Firenze, Italy

The problem is to understand how a geothermal field can evolve from a water dominated state into a vapor dominated one. A first answer to this question is given by a simplified mathematical model of the dynamics of a geothermal field in which the geothermal fluid is entirely composed by ... Mehr lesen

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