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fluid-structure interaction

FSI Analysis of Microcantilevers Vibrating in Fluid Environment

A. Ricci[1] and E. Giuri[1]

[1]Materials and Microsystems Laboratory (CHI-Lab), Politecnico di Torino, Torino, Italy

Cantilever vibration in fluid environment is probably one of the most common Fluid Structure Interaction problems in the field of Micro/Nano Electro Mechanical Systems. Usually the effect of fluid on cantilever oscillation is characterized in terms of mode resonance frequencies and ... Mehr lesen

COMSOL LiveLink for MATLAB code for topology optimization of conjugate heat transfer problems

K.O.V.B.RAMA REDDY¹, Dr. SOURAV RAKSHIT ¹
¹INDIAN INSTITUTE OF TECHNOLOGY MADRAS, CHENNAI, TAMIL NADU, INDIA

Topology optimization of conjugate heat transfer problems is an relatively intricate problem due to the coupled nature of Navier-Stokes equation, continuity equation and energy equation. In any density based topology optimization code, the major parts are finite element analysis, ... Mehr lesen

Modeling Thermo-Fluid Dynamics of a Processing Unit of the Fast-track Trigger for ATLAS

N. Delmonte [1], P. Cova [1], A. Lanza [2], P. Giannetti [3], A. Annovi [3], S. Daniele [4], ,
[1] University of Parma and Istituto Nazionale di Fisica Nucleare - Sezione di Pavia, Pavia, Italy
[2] Istituto Nazionale di Fisica Nucleare - Sezione di Pavia, Pavia, Italy
[3] Istituto Nazionale di Fisica Nucleare - Sezione di Pisa, Pisa, Italy
[4] University of Parma - Department of Information Engineering, Parma, Italy

We describe the thermal modeling of a crate hosting boards with Associative Memories (AM) designed for the Fast Tracker Trigger (FTK) system of the ATLAS detector at the CERN Large Hadron Collider. FTK is a highly paralleled hardware system designed to provide global tracks reconstructed ... Mehr lesen

Biofluid-Structural Interaction in Abdominal Aortic Aneurysm for Predicting Timeline to Rupture: The Effect of Hypertension and Aorta Wall Material Properties

K. Cluff[1], H. Mehraein[1], G. Jayakumar[2]
[1]Bioengineering, Wichita State University, Wichita, KS, USA
[2]Industrial & Manufacturing Engineering, Wichita State University, Wichita, KS, USA

An abdominal aortic aneurysm (AAA) is a bulge formed in the large blood vessels that supply blood to the abdomen, pelvis, and legs. A fluid structure interaction model was developed in a 3D aortic aneurysm model, which was constructed from abdominal CT scan images. Combining medical ... Mehr lesen

Solar radiation resistance of tents

L. M. Riano¹, A. Degache², Y. Styczen², L. Dousset³
¹SportsLab, Decathlon, Lille, France
²Tents & sleeping bags, Decathlon, Passy, France
³

High temperature variations inside a tent can be a problem for campers’ thermal comfort. To increase user comfort, Decathlon has tents called "Fresh & Black (F&B)". The main improvement of this equipment lies in the textile technology, regulating the temperature inside and ... Mehr lesen

Design and Simulation of a Cantilever Array for Fluid Flow Sensing Applications

K. Kavitha[1], Y. R. Manjoosha[1], C. S. Sukanya[1], K. Saranya[1], K. Chandra Devi[1], M. Alagappan[1], A. Gupta[1]
[1]Department of Biomedical Engineering, PSG college of technology, Coimbatore, TamilNadu, India

The biological hair-cell is a modular building block of a rich variety of biological sensors. These sensors are responsive to various mechanical properties like vibration, touch, gravitational forces, etc., especially flow. Using micro and nano-fabrication technology, an engineering ... 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

Analysis of 3D Biocompatible Additive Structure Using COMSOL Multiphysics® Software

E. Lacatus[1], M. A. Sopronyi[2], G. C. Alecu[1], A. Tudor[1]
[1]Polytechnic University of Bucharest, Bucharest, Romania
[2]INFLPR -National Institute for Laser Plasma and Radiation Physics, Bucharest, Romania

For biocompatible prosthetics, from dental implants up to bone parts, manufacturers have to find the best way to correlate process parameters and the material properties as to meet the unique needs of individuals. Additive manufacturing techniques aim at creating complex biocompatible ... Mehr lesen

Release of the Model Substance Through the Polymer Membrane into the Biological Environment

Darya Zhurauliova ¹, Miloslav Pekar¹
¹Faculty of Chemistry, Brno University of Technology, Brno, CZ

Currently, there is a great interest in the study of gels, especially their transport or release properties. Hydrogels have countless definitions, but generally speaking, they are hydrophilic systems with a three-dimensional structure that tend to swell and hold large amounts of water ... Mehr lesen

Study of Fluid Dynamics and Heat Transfer in MEMS Structures

S. N. Das[1], G. Bose[2]
[1]Centurion University of Technology and Managment, Jatani, Bhubaneswar, Orissa, India
[2]Institute of Technical Education and Research, SOA University, Bhubaneswar, Orissa, India

This paper describes the characteristics of MEMS microchannel and various issues of its designing. Here the major parameters are pressure drop and heat transfer rate. Various structures are modeled and optimized to get a minimum pressure drop and maximum heat transfer rate. The ... Mehr lesen

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